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Check Out the Specs on BenQ’s HT4550i 4K 4LED Home Theater Projector

Manufacturers of some of the best-selling home theater projectors, BenQ just unveiled the details of its latest 4K home theater projector, HT4550i ($2999). Long throw front projection unit supports full 4K Ultra HD resolution, HDR10+ and HDR Pro processing to get the most out of 4K content on Ultra HD Blu-ray and streaming services. It uses Texas Instruments’ DLP technology to create an image, combined with LED backlighting for increased brightness, improved energy efficiency, and longer life.

The HT4550i 4K home theater projector is equipped with a bright 4-element LED lamp (4LED) that delivers a maximum brightness of up to 3200 ANSI lumens. By using separate lighting elements for each of the primary colors (red, green and blue), the projector does not need a color wheel. This should minimize the RBE (rainbow effect) present on some DLP based projectors. The 4LED lighting unit is expected to last at least 20,000 hours in normal viewing or up to 30,000 hours in economy mode.

HT4550i front angle

BenQ claims that the projector can reproduce 100% of the DCI-P3 color spectrum, which is certainly an impressive feat. In addition to HDR10 and HLG (Hybrid Log Gamma) HDR, the HT4550i is one of the first projectors we’ve seen to support HDR10+, an extended form of HDR (High Dynamic Range) that uses dynamic metadata to adjust the image on stage. on a scenario basis. HDR10+ content is available on Ultra HD Blu-ray as well as select streaming services such as Amazon Prime Video, AppleTV+, Paramount+ and Hulu.

Also read: Atlanta DTH (ADTH) Unveils First Certified NEXTGEN TV Set-Top Boxes

The projector also boasts improved tone mapping. Effective HDR tone mapping is extremely important for a projector as most projectors cannot approach the maximum brightness of a flat panel LED/LCD or OLED TV. With BenQ’s HDR-Pro processing, the projector can adjust the brightness scale to display incoming brightness values ​​in content according to the actual brightness capabilities of the projector. This can help preserve fine detail in both the brightest and darkest scenes and everywhere in between. Good HDR tone mapping prevents black distortion and loss of bright highlights.

BenQ HT4550i 4K Projector Rear Panel

Perfect for home theater… and already calibrated!

The high brightness of the HT4550i means it can be used in a living room, but BenQ recommends using it in a dimmable home theater room for maximum performance. The projector offers a 1.3x zoom lens as well as horizontal and vertical lens shift for flexible placement options. For those who don’t want to mess around with calibration, BenQ does it at the factory for every single unit. Each projector comes with its own calibration report to guarantee 100% Rec.709 Delta E<3 and full grayscale tracking within Delta E<2 with an optimized Rec.709 colormap for true Hollywood colors. Of course, for calibration to mean anything, you’ll need to pair with the same screen that BenQ used, but at least you know the particular device you’re buying is up to factory specifications.

Remote Control for BenQ HT4550i 4K Projector and Android TV Dongle
BenQ ht4550i jack pack
The BenQ HT4550i has two HDMI inputs, one of which supports eARC (labeled “Audio Return+” in the photo).

The HT4550i includes a Google-certified Android TV adapter, so you’ll find Netflix, Disney+, Amazon Prime Video, and all your other favorite streaming services on board. The key is controlled by the projector’s remote control. It also includes two HDCP 2.2 compliant HDMI ports, one of which supports eARC (Enhanced Audio Return Channel) for uncompressed multi-channel audio. The device also supports 3D content if you add a pair or two additional DGD5 active 3D glasses (or third-party DLP-Link compatible 3D glasses).

BenQ HT4550i 4K right angle projector

Full Specs:

  • Projection system: DLP with 4LED light source
  • Brightness (ANSI Lumens): 3200
  • Native resolution: 4K UHD (3840×2160)
  • Original aspect ratio: 16:9
  • Contrast ratio (FOFO): (with light source dimming), 2,000,000:1
  • Display Color: 30-bit (1.07 billion colors)
  • Light source: 4 LEDs
  • Light source life:
    • Normal 20000 hours,
    • IVF 30000 hours,
    • SmartEco 20000 hours
  • Throw ratio: 1.15 ~ 1.50
  • Zoom ratio: 1.3x
  • Lens: F/# 1.8-2.25mm, f17.02 (Wide)~22.21 (Tele)
  • Projection offset (full height): 100%
  • Keystone correction: 2D, vertical ± 30 degrees; Horizontal ± 30 degrees
  • Lens shift vertical: vertical 0%-60% (@ horizontal 0%)
  • Lens shift horizontal: horizontal max. ±15% (at 20.9% vertical)
  • DCI-P3 coverage: 100%
  • Rec. 709 Coverage: 100%
  • Picture Modes: 3D, Cinema Vibrant, Cinema, SHOOTING MODE, HDR SHOOTING MODE, HDR10, HDR10+, HLG, ISF Day, ISF Night, Custom
  • Input Lag: 17.9ms (1080P 60Hz), 17.9ms (4K 60Hz), 21ms (1080p 120Hz), 8.7ms (1080P 240Hz)
  • Resolution support: VGA (640 x 480) to 4K UHD (3840 x 2160)
  • Horizontal frequency: 15K~135KHz
  • Vertical frequency: 23~120KHz
  • HDMI input (x2), HDMI-1 (2.0b/HDCP2.2), HDMI-2 (2.0b/HDCP2.2), HDMI-internal (2.0b/HDCP2.2)
  • USB type A port (x2): USB type A-1 (2.0/2.5A power supply/service), USB type A-2 (2.0/1.5A power supply/reader)
  • RS232 input (DB-9pin): 1
  • DC 12V trigger (3.5mm jack): 1
  • Audio: built-in speaker (5W) (x1)
  • HDMI Audio Return: Yes (HDMI 2 input): eARC, Dolby Atmos passthrough
  • Audio output (S/PDIF): 1
BenQ HT4550i 4K Projector Top
  • Operating temperature: 0~40℃
  • Power supply: 100 to 240 V AC, 50/60 Hz
  • Typical Power Consumption (110V): 380W
  • Standby power consumption: <0.5W
  • Mains power consumption in standby mode: <2W
  • Acoustic Noise (Typical/Eco): 32/28 dB
  • Included accessories: QS02 Android TV adapter, remote control with battery, power cord (3 meters), quick start guide, lens cap
  • Optional accessories: Active 3D glasses (DGD5), Universal ceiling mount (CM00G3)
  • Smart System: Android 11.0 OS
  • bluetooth 5.0
  • WiFi: 802.11 a/b/g/n/ac (2.4G/5G)
  • Wireless projection: AirPlay, Google Cast
  • Dimensions: (WxHxD): 420.5 x 135 x 312 mm; 16.54 x 5.31 x 12.28 inches
  • Weight (kg): 6.6 kg; 14.55 lbs.
BenQ HT4550i 4K projector, left corner

Price and availability

BenQ HT4550i will sell for $2999 (MSRP) and is expected to start shipping this spring.

More information at

> New 2023 BenQ projectors (

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