BenQ TK705i

Name: BenQ TK705i
Brand: BenQ
SKU: 3967

Manufacturer: BenQ

The BenQ TK705i is a 4K laser projector designed for home use, combining solid image output with a built-in smart TV platform and a dedicated smartphone app for added convenience. It uses a laser light source rated at 20000 hours in standard mode and up to 30000 hours in eco mode, making long-term ownership relatively low-maintenance. The unit is compact at 230 × 250 × 170 mm and weighs 3800 g, with motorized focus handling lens adjustments without manual intervention.

Image output is rated at 3000 ANSI lumens at 4K resolution with a 60Hz refresh rate and a 5 ms response time, supported by HDR10, HDR10+, and HLG compatibility for a broad range of content formats. The projector handles screens up to 160″ from a minimum throw distance of 1.4 m. On the connectivity side, it includes 2 HDMI ports, 2 USB ports, an S/PDIF output, and a 3.5 mm headphone jack, alongside AirPlay and Chromecast built-in for wireless streaming. Audio is handled by a stereo speaker system outputting 2 × 8W, and Bluetooth is also available for external audio pairing.

Pros

Laser light source rated at 20000 hours standard and 30000 hours in eco mode reduces the need for lamp replacements over time
4K resolution output with 10-bit color depth and support for HDR10, HDR10+ and HLG covers a wide range of modern content formats
Motorized focus allows lens adjustment without physical access to the unit
Built-in smart TV platform removes the need for an external streaming device
AirPlay and Chromecast built-in provide flexible wireless casting options from multiple device ecosystems
Stereo speakers rated at 2 x 8W are built in, along with a 3.5 mm headphone jack for private listening

Cons

No Wi-Fi support limits wireless connectivity options despite having AirPlay and Chromecast
Neither vertical nor horizontal lens shift is available, making precise image alignment dependent entirely on physical placement
No motorized zoom means image size can only be adjusted by moving the projector closer or further from the screen
No audio input ports and no external memory slot restrict local media playback and audio routing flexibility
Voice commands are not supported, limiting hands-free control options
No RJ45 ethernet port means wired network connectivity is not available

Who is this for?

This projector suits home theater setups where 4K HDR content is a priority, given its 3000 ANSI lumens output, HDR10, HDR10+, and HLG support, and 10-bit color depth. The laser light source with its extended lifespan makes it a practical choice for users who want a low-maintenance long-term display solution. Its built-in smart TV platform, AirPlay, and Chromecast support also make it well-suited for users who want a self-contained streaming setup without relying on external media devices, while the compact dimensions and modest weight make installation in a dedicated room relatively straightforward.

Who is this NOT for?

Users who need flexible image positioning will find this projector limiting, as it offers no lens shift in either direction and no motorized zoom, requiring precise physical placement to achieve a correctly sized and aligned image. It is also a poor fit for anyone who needs wired network connectivity or local media playback, given the absence of an RJ45 port, external memory slot, and audio input ports. Additionally, those looking to integrate the projector into a smart home ecosystem through voice control will find it lacking, as voice commands are not supported.

General info:

lamp life	20000 h
audible noise	26 dB
has laser light source	✓
audible noise (eco)	24 dB
operating power consumption	250W
lamp life (eco mode)	30000 h
width	230 mm
height	170 mm
thickness	250 mm
weight	3800 g
Has a dedicated smartphone app	✓
volume	9775 cm³

The BenQ TK705i uses a laser light source with a rated lamp life of 20000 hours under standard operation, extending to 30000 hours in eco mode, which also reduces audible noise from 26 dB down to 24 dB. It draws 250W during operation and is physically compact, measuring 230 mm wide, 250 mm deep, and 170 mm tall, with a total volume of 9775 cm³ and a weight of 3800 g. The projector also supports a dedicated smartphone app for additional control and configuration options.

Projection quality:

ANSI lumens	3000 lumens
output resolution	4K
response time	5 ms
has motorized focus	✓
maximum projection size	160"
has motorized zoom	✕
supports HDR10+	✓
bit depth	10-bit
has manual focus	✕
minimum throw distance	1.4 m
refresh rate	60Hz
supports HDR10	✓
supports HLG	✓

The TK705i outputs at 4K resolution with a brightness of 3000 ANSI lumens and a 10-bit color depth, supporting HDR10, HDR10+, and HLG for broad high dynamic range compatibility. It runs at a 60Hz refresh rate with a 5 ms response time and can project images up to 160″ from a minimum throw distance of 1.4 m. Focus is handled via motorized focus, while manual focus and motorized zoom are not available on this model.

Connectivity:

HDMI ports	2
has AirPlay	✓
Has Bluetooth	✓
supports Wi-Fi	✕
USB ports	2
has Chromecast built-in	✓
has a VGA connector	✕
has a DVI connector	✕
supports Miracast	✕
RJ45 ports	0
Has S/PDIF Out port	✓

The TK705i includes 2 HDMI ports and 2 USB ports for wired connections, along with an S/PDIF output for digital audio passthrough. Wireless streaming is covered through AirPlay and Chromecast built-in, while Bluetooth is also present for pairing external audio devices. The projector does not support Wi-Fi, Miracast, VGA, or DVI, and has no RJ45 ethernet port.

Features:

has stereo speakers	✓
has lens shift (vertical)	✕
has lens shift (horizontal)	✕
has a remote control	✓
has built-in smart TV	✓
has a built-in speaker	✓
audio input ports	0
audio output power	2 x 8W
has a socket for a 3.5 mm audio jack	✓
has an external memory slot	✕
has voice commands	✕

The TK705I features a built-in stereo speaker system rated at 2 x 8W, with a 3.5 mm headphone jack available for personal listening, though there are no audio input ports on this model. It includes a built-in smart TV platform and comes with a remote control, while voice commands are not supported. The projector has no external memory slot and lacks both vertical and horizontal lens shift, meaning placement adjustments rely solely on physical positioning.

Final Verdict

The BenQ TK705i is a capable 4K laser projector that makes a coherent case for itself in dedicated home theater environments, built around a long-lasting laser light source paired with broad HDR format support and a self-contained smart TV platform that removes the dependency on external streaming hardware. Its physical placement constraints — no lens shift and no motorized zoom — mean it rewards careful room planning rather than flexible repositioning, and the absence of Wi-Fi and wired networking narrows its integration options. For users willing to work within those boundaries, the TK705i delivers a well-rounded projection package with solid image specifications and practical built-in features that hold up well for everyday home cinema use.