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Ricoh UHL3660 specifications and in-depth review

Ricoh UHL3660

Manufacturer: Ricoh

The Ricoh UHL3660 is a laser-based projector built for environments where sustained brightness and longevity matter. It features a 6500-lumen output alongside native 4K resolution, making it a substantial option for large-venue or professional installation use. A dedicated smartphone app is included, and the unit supports built-in smart TV functionality along with wireless casting via AirPlay, Chromecast, and Miracast. Dolby Atmos audio is handled by a stereo speaker system rated at 2 x 5W.

On the technical side, the UHL3660 carries a laser light source rated at 20000 hours under standard operation and up to 40000 hours in eco mode, with audible noise measuring 36 dB at full output and 32 dB in eco mode. The projector supports HDR10 and Dolby Vision but does not support HDR10+ or HLG. Connectivity includes two HDMI ports, two USB ports, one RJ45 port, Wi-Fi, and Bluetooth. Motorized focus is available while zoom remains manual, and the minimum throw distance is 0.5 m with a maximum projection size of 150″. The unit weighs 11500 g and carries a three-year warranty.

Pros
  • The laser light source is rated for up to 40000 hours in eco mode, reducing the need for lamp replacements over extended use
  • At 6500 ANSI lumens with native 4K resolution and 10-bit color depth, the image output is well-specified for large-venue projection up to 150 inches
  • Dolby Vision, HDR10, and Dolby Atmos support are all present, covering a broad range of high-quality audio and video formats
  • Wireless connectivity is comprehensive, with Wi-Fi, Bluetooth, AirPlay, Chromecast built-in, and Miracast all included
  • Standby power consumption is just 0.5W, which is notably low for a unit operating at 460W during use
  • Built-in smart TV functionality and a dedicated smartphone app add usability without requiring external devices
Cons
  • Neither vertical nor horizontal lens shift is available, limiting placement flexibility during installation
  • Motorized zoom is absent, requiring physical repositioning to adjust image size
  • A 3.5 mm headset jack is not included, ruling out direct analog audio output to headphones or external speakers via that connection
  • 3D content with glasses is not supported, which may be a limitation for users seeking that capability
  • At 11500 g, the unit is relatively heavy, which can complicate mounting or relocation
  • HDR10+ and HLG are not supported, leaving some HDR formats incompatible
Who is this for?

The Ricoh UHL3660 is well-matched to large-venue and professional installation environments where sustained brightness and longevity are priorities — its 6500 ANSI lumens and laser light source rated up to 40000 hours in eco mode make it a solid fit for conference halls, auditoriums, or permanent screen setups. The native 4K resolution with Dolby Vision and HDR10 support also makes it appropriate for high-fidelity presentation or screening scenarios where image accuracy matters. Users who require flexible wireless integration will benefit from the combination of AirPlay, Chromecast built-in, Miracast, and built-in smart TV, making it practical for collaborative or multi-device environments without relying on external media players.

Who is this NOT for?

The absence of both vertical and horizontal lens shift, combined with no motorized zoom, makes this projector a poor fit for installations where precise optical alignment flexibility is needed — users who cannot freely position the unit at an exact distance and angle will face significant setup constraints. At 11500 g and with fixed optics, it is also unsuitable for portable or frequently relocated use cases where ease of transport and quick reconfiguration are expected. Additionally, users seeking compatibility with HDR10+, HLG, or 3D content with glasses will find those formats unsupported, making the unit a poor match for home cinema setups or environments that rely on those specific standards.

General info:

lamp life 20000 h
audible noise 36 dB
has laser light source ✓
audible noise (eco) 32 dB
operating power consumption 460W
lamp life (eco mode) 40000 h
width 530 mm
height 140 mm
thickness 470 mm
weight 11500 g
Has a dedicated smartphone app ✓
standby power consumption 0.5W
volume 34874 cm³
warranty period 3 years

The Ricoh UHL3660 uses a laser light source with a standard lamp life of 20000 hours, extending to 40000 hours when running in eco mode. Audible noise sits at 36 dB under normal operation and drops to 32 dB in eco mode, while operating power consumption is rated at 460W and standby draw is a minimal 0.5W. The unit measures 530 mm wide, 470 mm deep, and 140 mm tall, with a total volume of 34874 cm³ and a weight of 11500 g. A dedicated smartphone app is included, and the projector is backed by a 3-year warranty.

Projection quality:

ANSI lumens 6500 lumens
output resolution 4K
has motorized focus ✓
displays 3D with glasses ✕
maximum projection size 150"
has motorized zoom ✕
supports HDR10+ ✕
bit depth 10-bit
has manual focus ✕
minimum throw distance 0.5 m
supports Dolby Vision ✓
supports HDR10 ✓
supports HLG ✕

The UHL3660 delivers 6500 ANSI lumens at a native 4K output resolution with a 10-bit color depth, and it supports both HDR10 and Dolby Vision for high dynamic range content, though HDR10+ and HLG are not supported. The projector can fill screens up to 150″ from a minimum throw distance of 0.5 m, and focus is handled via a motorized mechanism — manual focus and motorized zoom are not available. 3D content with glasses is not supported.

Connectivity:

HDMI ports 2
has AirPlay ✓
Has Bluetooth ✓
supports Wi-Fi ✓
USB ports 2
has Chromecast built-in ✓
has a VGA connector ✕
is DLNA-certified ✕
has a DVI connector ✕
supports Miracast ✓
RJ45 ports 1
Has S/PDIF Out port ✕

The UHL3660 offers a well-rounded connectivity setup, including two HDMI ports, two USB ports, and one RJ45 Ethernet port for wired network use. On the wireless side, it supports Wi-Fi, Bluetooth, AirPlay, Chromecast built-in, and Miracast, covering a broad range of casting and streaming scenarios. VGA and DVI connectors are not present, there is no S/PDIF output, and the unit is not DLNA-certified.

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 output power 2 x 5W
has a socket for a 3.5 mm audio jack ✕
has a sleep timer ✓
has Dolby Atmos ✓
has an external memory slot ✕
has voice commands ✕

The UHL3660 includes a built-in stereo speaker system rated at 2 x 5W with Dolby Atmos support, and built-in smart TV functionality is available alongside a sleep timer and a remote control. There is no 3.5 mm headset jack and no external memory slot, while voice commands are also absent. Lens shift is not supported in either the vertical or horizontal direction, giving the unit a fixed optical alignment.

Final Verdict

The Ricoh UHL3660 is a professionally oriented laser projector that makes a clear case for itself in fixed, large-venue installations where image quality and long-term reliability are the primary concerns. Its 6500-lumen 4K output paired with a laser light source rated up to 40000 hours in eco mode positions it as a durable, low-maintenance solution for demanding environments. The breadth of wireless casting options and built-in smart TV functionality add practical day-to-day flexibility, while Dolby Vision, HDR10, and Dolby Atmos round out a capable audiovisual package. That said, the fixed optics — with no lens shift and no motorized zoom — mean installation planning must be precise, and the unit's weight reinforces that this is a projector intended to stay put rather than move around. For organizations or professionals seeking a high-brightness, long-life 4K projector for a permanent or semi-permanent setup, the UHL3660 presents a well-specified, coherent option.

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