Outdoor P3.91 Rental LED Display
250×250 mm Epround/Magic panel · 48S with 48 driver ICs & 1921 lamps · 4,096 pixels per panel · 65,536 px/m² · budget weather touring
The outdoor P3.91 rental LED display is the budget row of Excel LED’s 250 mm touring platform for open-air shows — 250×250 mm panels, 64×64 = 4,096 pixels per board, a 48S outdoor drive on 1921 lamps — the same case-and-lock platform as the outdoor P2.604 and P2.976 rows, built to read in daylight at crowd scale for the lowest per-square-meter cost of the family. Supplied by Excelled, a trusted LED display manufacturer for global B2B rental houses and integrators.

Quick Answer: What Is an Outdoor P3.91 Rental LED Display?
An outdoor P3.91 rental LED display is a 3.91 mm pixel pitch video wall built from 250×250 mm touring panels with quick-lock frames, flight-case travel and a weather-grade build.
• Module data (confirmed): 250×250 mm panel · 64×64 = 4,096 pixels · outdoor build 48S with 48 driver ICs and 1921 lamps · an indoor twin runs 48S with 48 driver ICs and 2020 lamps.
• Resolution: 65,536 pixels per m² — the budget row of the outdoor rental platform, sized for walls viewed from about 4 m and further.
• Weather design: 1921 lamp beads, sealed module faces and treated frames made for rain, UV and thermal cycling on stage.
• Rental engineering: die-cast quick-lock panels, front service, flight cases, and control matched by one factory.
One-Stop Solution for Outdoor P3.91 Rental LED Display Walls
Excel LED (LEGIDATECH) supplies the outdoor P3.91 rental LED display family end-to-end: the 250×250 mm Epround/Magic platform in its weather-rated build — 48S with 48 driver ICs on 1921 lamps — plus quick-lock aluminum frames, flight cases, receiving cards and the rigging plan. The same platform’s indoor twin runs 48S on 2020 lamps, so one fleet can cover roof and no-roof shows.
Both builds share the same 250×250 footprint and locking hardware, so a rental fleet runs indoor and outdoor walls from one panel stock: the outdoor boards swap into the same frames and cases as the indoor boards, and the control topology stays identical. One BOM covers the whole fleet — the same hardware philosophy that runs across the fine end of the platform on the P1.953 rental LED display page, the mid rows on the P2.604 rental LED display page and the value band on the P2.976 rental LED display page.
Outdoor rental buyers usually reach 3.91 mm when the wall is big, the audience sits 4 meters or further, and the budget has to stretch across 40+ m² of screen: this row carries the brightest, cheapest square meters of the platform. The fine outdoor rows are covered on the outdoor P2.604 rental page and the outdoor P2.976 rental page, and this page covers the budget row of the same platform.
One footprint
Outdoor and indoor builds share the 250×250 mm Epround/Magic quick-lock panel.
Pixels per panel
64×64 px per board — 65,536 px/m² of stage detail at 3.91 mm.
Outdoor drive
48S with 48 driver ICs on 1921 lamps — confirmed per factory BOM.
Single BOM
Panels, cases, spares, control and rigging quoted by one factory.
Outdoor P3.91 LED Display Formats: Rental Panels vs Walls
P3.91-class pixels exist in rental and fixed formats, and the price follows the format, not the pitch. The outdoor rental P3.91 panel (this page) is a 250×250 mm self-contained touring unit, weather-built for stage exposure; a fixed outdoor wall builds from larger cabinets on a permanent structure and never comes down. Both look similar from a festival stand — the difference is teardown, transport and rebuild speed.
| Format | Outdoor P3.91 rental panel ★ | Fixed outdoor wall |
|---|---|---|
| Panel / module | 250×250 mm touring panel (confirmed) | 320×160 / 640×320 platform |
| Build | 48S / 1921 lamps (confirmed) + indoor twin 48S / 2020 | Outdoor, static |
| Structure | Die-cast aluminum quick-lock (typical) | Permanent steel/steel panel structure |
| Weather | Stage exposure: sealed faces + 1921 lamps | IP65-class full weather rating |
| Transport | Flight cases, stackable (typical) | Forklift / pallet only |
| Use | Festival, tour, open-air event | Billboards, stadium concourses, signage |
Inside the outdoor rental family, the Epround/Magic 250 platform spans several outdoor rows with identical hardware — same cases, same locks, same flying frames. P3.91 is the most cost-efficient row of that platform: coarser than outdoor P2.976, but at 4 m-plus audience distance the image still reads clean, and the per-square-meter price is the lowest of the family. The fixed-screen cousins live on the outdoor P3.0 LED display and outdoor P4 LED display pages.
Outdoor P3.91 Rental LED Display Panel Data: 48S on 1921 Lamps (and the 48S/2020 Indoor Twin)
The rows below come from the factory module price list — panel pixels, scan, driver IC and lamp rows are confirmed; structure figures marked typical follow industry touring practice.
| Parameter | Outdoor weather build | Indoor twin |
|---|---|---|
| Pixel pitch | 3.91 mm (confirmed) | 3.91 mm (confirmed) |
| Panel size | 250×250 mm (confirmed) | 250×250 mm (confirmed) |
| Panel pixels | 64×64 = 4,096 (confirmed) | 64×64 = 4,096 (confirmed) |
| Pixels per m² | 65,536 (derived) | |
| Scan | 48S (confirmed) | 48S (confirmed) |
| Driver ICs | 48 per panel (confirmed) | 48 per panel (confirmed) |
| Lamp beads | 1921 SMD (confirmed) | 2020 SMD (confirmed) |
| Weather rating | Stage exposure: sealed faces, treated frame (typical) | Indoor use |
| Frame type | Die-cast aluminum quick-lock frame, front service (typical) | |
| Block build | 4 panels = 500×500 mm block; walls stack by flying frame (typical) | |
| Control | NovaStar / Colorlight receiving cards, matched per BOM | |
| QC | 72-hour aging and brightness calibration before packing | |
| Warranty | 2-year standard site warranty, parts & workmanship | |

The Outdoor Build in Depth: 1921 Lamps, Sealing, Daylight Brightness
Outdoor touring is where 3.91 mm earns its keep: one of the largest pitches the quick-lock 250 system ships, priced so an event can afford a real wall instead of a small one. The outdoor P3.91 rental LED screen runs 48S scan with 48 driver ICs on 1921 lamp beads — the weather-grade lamp family used across the factory’s outdoor rack — so open-air main stages hold their image under daylight, stage wash and afternoon haze.
Weather exposure on a tour is handled at the system level: sealed module faces and treated frames keep moisture off the drive electronics, while tails and locks stay protected in cases between shows. Outdoor panels on this platform are rigged under stage roofs or on weather-tolerant truss positions; the factory confirms the sealing class on each outdoor BOM.

Rental Cabinet Engineering: Quick Locks, Cases and Flying Frames
Outdoor P3.91 rental panels are built for the road, not for a wall. The die-cast aluminum frame carries quick-lock connectors so two panels join with a single push — no tools, no loose parts, no clips to lose in a travel case. Panels lock in two directions at once, so a wall stacks vertically without shims, and blocks of 4 panels (500×500 mm) are the standard rebuild unit.

Case and spare ratios that keep tours alive
Flight cases come sized to the fleet: the standard case carries a block of panels face-forward with foam cradles, so panels load straight into the wall and straight back in. A rental house typically stocks a 5–10% spare-panel ratio — LED modules and receiver cards are the consumables that tour hardest, and the factory can pre-pack matched spares for the BOM.
Weight and rigging planning
Die-cast panels are light per square meter, but the rigger’s load is per hanging meter, so weight per square meter must be confirmed against the truss spec before the wall is built. Flying frames bolt across panel columns and take the load through the frame, never through the lock points. The factory supplies the rigging plan with each tour BOM at the requested aspect ratio.
P3.91 Outdoor LED Screen Quality: 48S Scan, ICs and the Lamp Difference
At 3.91 mm the panel is the same weather-tested structure as the other rows of the platform, with the standard outdoor rental scan: 4,096 pixels per panel means the 48 driver ICs refresh the matrix in 48 passes, and the bigger 1921 bead holds the brightness the outdoor scene demands.
Why the outdoor P3.91 runs 48S — the standard outdoor rental scan
An outdoor scene must output several times the brightness of an indoor scene. On a 4,096-pixel panel, 48S is the standard outdoor rental scan: the matrix refreshes in 48 passes, each driver IC carries fewer lamps, and current per LED stays low — steady white balance and more headroom for daylight calibration.
Why outdoor P3.91 uses 1921 lamps while the indoor twin uses 2020
Outdoor exposure changes the requirement: the same pixel budget must deliver more output plus sealed protection against rain, UV and thermal cycling. The 1921 SMD bead sits on the factory’s outdoor rack for that reason — the same panel geometry, a lamp built for both output and endurance. Indoors the 2020 bead takes over, favoring color depth at indoor brightness.
Scan and drive IC pairing is factory-confirmed
The lamp, scan and driver IC rows on this page are confirmed per the factory module price list — no assumptions between marketing copy and BOM. That is what makes the outdoor P3.91 a direct quote item: the configuration is fixed per build, so pricing is per square meter, not per custom variation.
Repair philosophy for touring panels
On tours, downtime is the expensive failure, so panels are built front-serviceable: the module face releases from the front of the frame, and a defective module or receiver card swaps without taking the wall down out of the truss. Spares ship in the flight case, and the factory ages each batch 72 hours before packing.

Where the Outdoor P3.91 Rental LED Display Earns Its Place
Outdoor P3.91 is the quantity row of the open-air platform: 40 m² and larger, 4 meters-plus audience, bright in daylight, and priced low enough that the wall can carry the whole event.
Festival main stages at lawn distance
Open-air main stages with crowds starting past the front pit read clean from 4 meters onward at 3.91 mm, and the 48S build on 1921 lamps keeps the image bright in daylight. When the stage is 50 m², the pixel budget saved at P3.91 buys more screen for the same money — the row most tours quote for big lawn stages.
Open-air sports events and venue forecourts
Concourse and forecourt screens carry sponsor graphics, lineups and live scores read from meters away, in sun and rain. Outdoor P3.91 delivers usable brightness with sealed protection at the lowest cost per square meter, exactly what a venue re-does every few years.
Hybrid fleets: one panel family, two weather classes
Because the outdoor and indoor builds share the same frame, locks, cases and control, a mixed fleet stocks one panel platform and buys the drive/lamp build per show. That is the real cost argument for staying on the 250 platform instead of a cheaper off-platform solution: every accessory is already interoperable.
Crowd-distance content walls for brand activations
Where the wall is foreground or backdrop at distances of 10 m+, the 3.91 row shines: it holds logos, CTA loops and brand graphics brightly and cheaply, while the money saved per m² goes toward the bigger wall the activation actually wants.
How to Choose an Outdoor P3.91 Rental LED Display: Panels, Cases, Weather Level
Start from the show you will actually run, then work backwards to the BOM. Four decisions — weather build, panel quantity, case/spare ratio and processor — cover most of the ordering work on outdoor P3.91.
- Decide the weather class honestly. An outdoor build is mandatory for anything without a roof; if the wall sits under a stage roof 100% of the season, the indoor 48S twin costs less per square meter and still tours in the same cases.
- Work out the wall from blocks, not meters. The rebuild unit is a 500×500 mm block of 4 panels. Compute the wall in blocks — a 10×5 m wall is 20×10 blocks of 250 mm, so 200 panels — and add one spare block for the tour.
- Budget spare and aging headroom. Outdoor seasons hit panels with heat and road miles; the standard 5–10% spare ratio plus a receiver-card kit keeps the season alive without a factory return.
- Confirm the audience distance before choosing the pitch. P3.91 reads clean from about 4 m; if your crowd sits 3 m away, the P2.976 row earns its price — if the content is a camera feed, step up to P2.604. This row is the value pick, not the universal pick.
What drives outdoor P3.91 rental LED display price
Three cost lines decide the quote on an outdoor P3.91 rental LED display — the panel BOM, the travel gear, and the rig plan. On panels, the outdoor 48S build on 1921 lamps costs more per sqm than the indoor 48S twin on 2020 because the sealed lamp family carries the weather margin; but they are priced from one factory BOM, and a 48S panel costs less than the 72S rows above it. On the travel gear, flight cases, spare panels and spare receiver cards are usually close to a fifth of the panel budget, and they are the same cases every 250-platform board uses — a mixed fleet doesn’t carry duplicate case stock. On the plan, ground-supported and flown walls price differently because of the frame and rigging — a 10×5 m lawn wall needs different flight cases per column than a 6×3 m stadium side wall. Everything else stays fixed: each kit ships with the wall processor, the receiving cards, and the full case stack, from the same factory.
Outdoor P3.91 Rental LED Display Full Specifications
Consolidated specification of the outdoor P3.91 rental LED display platform, as ordered per panel. Structure figures marked typical follow industry touring practice; lamp, scan and pixel rows are confirmed per factory BOM.
| Parameter | Value |
|---|---|
| Model | Epround/Magic 250×250 rental panel, outdoor build |
| Pixel pitch | 3.91 mm (confirmed) |
| Panel resolution | 64×64 = 4,096 pixels (confirmed) |
| Pixels per m² | 65,536 (derived) |
| Panel dimensions | 250×250 mm (confirmed) |
| Interface | Quick-lock with latches: 500×500 mm free-standing block = 4 panels; wall assembly = panel × blocks × panel rows |
| Scan | 48S (confirmed) |
| Driver ICs | 48 per panel (confirmed) |
| Lamp beads | 1921 SMD (confirmed) |
| Indoor twin | 48S with 48 driver ICs, 2020 lamps (confirmed) |
| Best viewing distance | ≈ 4 m and further (derived) |
| Brightness | ≥ 5,000 cd/m² outdoor (typical); 800 cd/m² indoor twin |
| Refresh rate | ≥ 1,920 Hz (typical); ≥ 3,840 Hz option for camera work |
| Frame | Die-cast aluminum quick-lock, front service (typical) |
| Control | NovaStar / Colorlight receiving cards, matched per BOM |
| QC | 72-hour aging and brightness calibration before packing |
| Warranty | 2-year standard site warranty, parts & workmanship |
| Compare | Outdoor P2.604 | Outdoor P2.976 | Outdoor P3.91 |
|---|---|---|---|
| Pixel pitch | 2.604 mm | 2.976 mm | 3.91 mm |
| Panel pixels | 9,216 | 7,056 | 4,096 |
| Pixels per m² | 147,456 | 112,896 | 65,536 |
| Outdoor build | 72S / 1415 | 72S / 1415 | 48S / 1921 |
| Best viewing distance | ≈ 2.6 m | ≈ 3.0 m | ≈ 4 m |
| Best for | Camera-fed festival stages | Crowd-distance outdoor stages | Budget outdoor touring (this page) |
Outdoor P3.91 LED Display: Resolution and Viewing Distance Math
The visual behavior of an outdoor P3.91 LED display follows the same two rules as every other pitch: pixel density decides how many paragraphs of text you can fit on the wall, and viewing distance decides how close your audience can get before they see dots.
Density. At 3.91 mm, each 250×250 mm panel carries 64×64 = 4,096 pixels, or 65,536 pixels per m². A 12×6 m festival back wall is 72 m² ≈ 4.7 million pixels — a big, bright image at the lowest per-square-meter price of the platform.
Viewing distance. Approximate the most demanding view distance in millimeters by multiplying the pitch in millimeters by 1000 — that’s ≈ 3.9 m, written as ~4 m for 3.91 mm. Under that, viewers will see the pixel structure; from that distance out, the image reads clean, and at ~9 m it looks as sharp as a projection wall.
Scale rule-of-thumb. If a wall is twice as far away, budget twice the pitch, keeping the same virtual footprint. A 4 m viewing distance says 3.91 mm works; at 5–6 m, P5-class pixels are equivalent; below 4 m only the finer rows read clean. This is why the same 250 rental platform spans the outdoor P2.604 and outdoor P2.976 pages — the same touring hardware, a different pitch per audience distance.
Outdoor P3.91 Rental LED Display — Budget Panels That Tour in Weather
Why choose an Excel LED outdoor P3.91 rental LED display
- Confirmed factory data. Every lamp, scan and driver IC row on this page comes from the factory module price list — 64×64 = 4,096 px, 48S, 1921 lamps — not from marketing copy.
- One end-to-end BOM. Panels, frames, cases, spare modules, receiving cards, wall processor and rigging plan quoted by one factory, so nothing falls between two vendors.
- Weather and indoor from one fleet. The 48S outdoor build and the 48S indoor twin share the platform; a mixed rental fleet swaps boards per show without changing cases or control.
- Touring-tested QC. Every batch is aged 72 hours and brightness-calibrated before packing.
Maintenance method for outdoor P3.91 rental LED displays
Outdoor seasons add two jobs the indoor boards don’t need: drying and checking seals. After each show: wipe the face with a dry soft cloth, check the quick-lock latches for debris, and give the seals a look after rain shows. Monthly, do a full-face check for dead pixels — a module with a failed LED swaps frontward in minutes with no truss teardown. The fixed QC cost is paid once per package; the rest is miles vs. spare modules.
Packaging of outdoor P3.91 rental LED displays
Tour packaging is flight cases, not cartons. Panels sit face-forward in foam cradles per case, edge-down, so locks and tails stay untouched — a standard 6-case stack carries one 3×3 m wall, or the 500×500 mm blocks of any wall you build from it. The wall processor is hard-mounted and crash-safe in a fitted service case, along with pre-flight instructions for the technician.
Which Module Sizes Does an Outdoor P3.91 Rental LED Display Use?
This pitch is quoted in 1 module format in our production list. All of them produce the same 65,410 px/m² wall — they differ in board size, how many fit a cabinet, drive scheme and serviceability. Pixel figures below are exact arithmetic from the pitch (1,000 ÷ 3.91 mm = 255.8 px per metre), cross-checked against the factory module list.
| Module size | Resolution & dots | Per cabinet | Boards per m² | LED & drive | Notes & service |
|---|---|---|---|---|---|
| 250×250 mm | 64×64 px 4,096 dots |
— | 15.97 | 1921 SMD · 48 ICs · 48S scan | module count per cabinet as stated does not fit the 250×250 cabinet grid — confirmed per order |
Which Cabinet Sizes Does an Outdoor P3.91 Rental LED Display Ship In?
250×250 mm is the standard carrier for this pitch: self-contained touring panel (1 panel unit), resolving to 64×64 — 4,096 px. Every further format below is built for a specific layout problem rather than for a better picture.
| Cabinet (W×H) | Modules inside | Resolution | Weight / body | Service access |
|---|---|---|---|---|
| 250×250 mm | self-contained touring panel (1 panel unit) | 64×64 4,096 px |
Die-cast aluminum quick-lock frame | front service (typical) |
| 500×500 (block of 4 panels, not a sealed cabinet) mm typical |
4 panels = 500×500 mm block | 128×128 16,384 px |
— | — |
Why 500×500 mm became the rental standard grid
Rental geometry is driven by touring, not by the building. Four cabinets make a square metre, so stage arithmetic stays mental. One cabinet size fits every pitch in the 250×250 mm module family, so a rental house stocks one chassis and swaps modules. Flight cases and rigging bars are dimensioned around it, and the same cabinet hangs on a truss or stacks on a stage lip.
Industry-standard cabinet grids for this module size (on request)
These grids are the ones the industry builds around this module size, and each one is arithmetic-clean — the modules tile with no cut strip. They are quoted on request rather than stocked, and the pixel figures are pure arithmetic from the pitch.
| Cabinet (W×H) | Modules inside | Resolution & pixels | Grid status |
|---|---|---|---|
| 500×1000 mm on request |
2 × 4 × 250×250 mm modules (2 × 4) | 128×256 32,768 px |
standard outdoor rental grid |
| 1000×1000 mm on request |
4 × 4 × 250×250 mm modules (4 × 4) | 256×256 65,536 px |
standard outdoor rental grid |
Which cabinet form should you pick?
- Touring stage and event walls → 500×500 mm cabinets on quick-lock frames; curved-corner and angled options available.
- Tall scenic walls and LED banners → 500×1000 mm cabinets: half the horizontal seams per metre of height.
- Screen that must be built and struck in hours → air or quick-lock frame plus flight cases, not a fixed die-cast grid.
- Mixed inventory with other pitches → keep to the 250×250 mm module family so one chassis serves several pitches.
- Permanent indoor install with no touring → a fixed cabinet is cheaper per square metre than a rental chassis.
Which Control Systems Work With an Outdoor P3.91 Rental LED Display?
An Outdoor P3.91 Rental LED Display is electrically ordinary: standard HUB75 module interface, conventional outdoor scan, low-voltage module rails. That is why it accepts essentially every mainstream control ecosystem — the real decision is not “which system is compatible” but which family your operators already run, because sending cards and receiving cards must come from the same family.
The signal chain, end to end
- 1. Video source — media player, PC, camera or streaming decoder.
- 2. Video processor / sending card — scales, switches and packetises: HDMI / DVI / SDI in, gigabit Ethernet out.
- 3. Transport — Cat6 for normal runs, fibre where the distance or the lightning risk demands it.
- 4. Receiving card — one receiving card per cabinet is the standard loading (4,096 px per cabinet).
- 5. Modules — self-contained touring panel (1 panel unit) per cabinet, daisy-chained POWER IN/OUT and SIGNAL IN/OUT.
| Ecosystem | Typical hardware | Best for |
|---|---|---|
| NovaStar page-confirmed |
MRV336 receiving card · MCTRL660 controller · MCTRL4K 4K sender | Large fixed walls that need remote diagnostics and per-pixel calibration |
| Colorlight page-confirmed |
i9+ receiving card · X16 video processor | Billboard and signage budgets; sites already running Colorlight |
| Huidu factory-confirmed on this line — the asynchronous specialist |
HD-C16C async control card · VP620 video processor | Single-screen ad sites scheduled from a phone, no PC on site |
| Linsn factory-confirmed on this line — mature mapping for very large walls |
DH7512 receiving card | City-scale walls and centralised control rooms |
| Mooncell budget sending, 2-in-1 processing and player hardware we stock |
MVB20E-G 2-in-1 processor | Cost-controlled fixed installs and second-source spares |
| VDWALL video processing line we stock |
LVP605 video processor | Stadium, broadcast and multi-source control rooms |
| RGBlink switcher-processor hybrids we stock |
X2 modular video wall processor | Live production and event broadcast workflows |
How many receiving cards does an Outdoor P3.91 Rental LED Display need?
Two limits decide the card count, and the smaller one wins. Pixel capacity: one 250×250 cabinet carries 4,096 px, and a mid-range card such as the MRV336 loads 256×256 = 65,536 px at 60 Hz — that is 16 cabinets per card. Port loading: the same card has 12 HUB75 outputs, and a cabinet here needs — module feeds, so the ports allow the same as the pixel limit. The binding limit is 16 cabinets per card (the pixel capacity).
- Redundancy — on revenue-critical walls add a second sending card in hot standby; a failed cabinet still does not take the wall down.
- Remote management — NovaStar and Colorlight sending platforms report cabinet temperature and voltage and support scheduled brightness by time of day.
- The one rule that saves the most money — sending card and receiving cards from the same family. Mixing families is the most common commissioning failure we get called about.
- Documentation — the port map, receiving-card loading sheet and configuration file ship with every order.
The architecture of each role — sender, processor, receiving card, async player — is compared in our LED control system collection.
Frequently Asked Questions About Outdoor P3.91 Rental LED Displays
Q1 What is an outdoor P3.91 rental LED display?
An outdoor P3.91 rental LED display is a 3.91 mm pixel pitch video wall built from 250×250 mm quick-lock touring panels, each carrying 64×64 = 4,096 pixels. The weather build runs 48S with 48 driver ICs on 1921 lamps, with sealed module faces and flight cases. It is the budget row of the 250 mm outdoor touring platform.
Q2 How many pixels does an outdoor P3.91 rental panel have?
A 250×250 mm outdoor P3.91 panel has 64×64 = 4,096 pixels, which works out to 65,536 pixels per square meter. Panels assemble into 500×500 mm blocks of four, so a 12×6 m wall is about 4.7 million pixels — roughly 2.3× a 1080p frame at crowd scale.
Q3 What is the difference between the indoor and outdoor P3.91 LED display builds?
Both builds share the same 250×250 mm panel and 4,096 pixels. The difference is the lamp: 1921 SMD for outdoors, weathering and output-rated against rain and UV, and 2020 SMD for indoors. Both run 48S with 48 driver ICs; frames, cases and control are identical.
Q4 Can an outdoor P3.91 LED display be used under a roof?
Yes — the outdoor build works under a roof too; the sealed 1921 build simply costs more than the indoor twin needs to. For a wall that is always under a stage roof, the indoor 48S on 2020 lamps is the value choice. Many rental houses run both builds in one case fleet and field them per show.
Q5 What does 48S scan mean on an outdoor P3.91 rental LED display?
48S is the scan ratio — the panel refreshes its LED matrix in 48 passes per frame, with rows lit in groups instead of all at once. On outdoor P3.91 it means 48 driver ICs per panel and low current per lamp: the standard outdoor rental scan, giving an open-air show the brightness headroom it needs.
Q6 Is outdoor P3.91 the same as a P4 LED display?
Not a different product. P3.91 is the 3.91 mm pitch, industry-standard for 250×250 mm rental panels because 250 mm divides cleanly into 64 pixels per row; P4 is a 4.0 mm pitch on other panel geometries. Both read clean at 4 m-plus viewing distance — the case and platform compatibility is the practical difference.
Q7 How much does an outdoor P3.91 rental LED display cost?
For current pricing in USD/GBP/EUR/AUD — plus the full specification sheet, sample policy and delivery time for your country — please request a factory quote here. Outdoor P3.91 is the budget row of the 250 outdoor platform: fewer pixels per panel and a 48S drive in the 1921 build keep the per-square-meter price the lowest of the family.
Q8 What is the best viewing distance for an outdoor P3.91 LED screen?
About 4 m and further. Multiply the pitch in millimeters by 1000 to get the rough nearest view distance — 3.91 mm × 1000 ≈ 3.9 m, called ~4 m in practice. Audience members closer than that see the pixel grid; beyond it the image reads clean, and from about 9 m it looks as continuous as a projection wall.
Q9 What is the difference between outdoor P2.976 and outdoor P3.91 rental LED displays?
Same 250×250 mm platform, locks, cases and flying frames; different pitch. P2.976 carries 7,056 pixels per panel at 72S/1415 with 112,896 px/m²; P3.91 carries 4,096 pixels at 48S/1921 with 65,536 px/m² — about 42% less pixel data at the lowest per-sqm price of the platform. If the audience sits 4 m+ away, P3.91 is the value pick; closer, go P2.976; camera-fed shows need P2.604.
Q10 How long does it take to assemble an outdoor P3.91 rental LED wall?
A trained two-man crew assembles about 25 m² per hour with the quick-lock system: panels snap together without tools, blocks of 4 panels form a 500×500 mm unit, and the flying frame sets the wall in one pass. A 30 m² wall normally takes under two hours to build and one hour to strike — plus cable and processor setup separate.
Q11 What maintenance does an outdoor P3.91 rental LED display need?
Outdoor seasons add drying and seal checks to the routine: wipe the face after each show, check the quick-lock latches for debris, inspect seals after rain shows, and swap modules at first sign of dead pixels. Modules and receiver cards are front-serviceable and change in minutes. Deeper work every 6-12 months: professional dusting and spare-supply top-up.
Q12 What warranty comes with an outdoor P3.91 rental LED display?
Excel LED provides a standard 2-year site warranty covering parts & workmanship on the outdoor P3.91 rental LED display, with extended coverage available. Every order is accompanied by QC documentation (aging reports, brightness calibration printouts). Warranty terms are stated for each BOM in writing before booking.
Get a Factory-Direct Outdoor P3.91 Rental LED Display Quote
Tell us the wall size, the showing schedule, and the weather class — we will send the price and full BOM with the confirmed 48S, 1921 lamp data.
Outdoor P3.91 retains the 250×250 mm Epround/Magic panel — 64×64 = 4,096 pixels, 48S with 48 driver ICs, 1921 SMD lamps, at 65,536 pixels per m². For the color or transparency options, see the LED module scan mode identification guide.