PJ HD5451

Whether you’re an artist, an advertising agency or a fashion designer, if you need crisp resolution and realistic colour, the compact Ricoh PJ HD5451 projector offers vivid definition that will bring out the best in your work.

It’s easy to install and Crestron and AMX compatibility makes it simple to integrate with your existing room equipment. This projector includes a range of connectivity options and comes packed with image adjustment features, including a 1.36x wide-zoom and vertical lens shift, 4-point correction and vertical and horizontal keystones.

With HD resolution, a brightness of 3800 lumens and a contrast ratio of 8000:1, the PJ HD5451 combines quality with affordability. Installation is simple and both functions and screen positioning are easy to adjust. It comes with a variety of connectivity options with two HDMI ports – one of which supports MHL to mirror mobile devices – and wireless projection using the WiFi dongle.

  • Compact in size at around A4 and only 3.2kg in weight
  • Offers vivid, realistic colour and image reproduction
  • Easy to install and use with a flexible interface
  • Includes HDMI, MHL and WiFi connectivity
  • Efficient device management and long-life lamp projection of 3,000h

Additional information

Interface (input) - Audio

3.5mm ST mini jack

Interface (input) - Video

HDMI, Composite, S-video

Interface (output)


Interface (output) - Audio

3.5mm ST mini jack

Projection system

Single chip DLP


PJ HD5451: HD (1920 x 1080), PJ WX5461: WXGA (1280 x 800), PJ X5461: XGA (1024 x 768)


3,800 lumen

Contrast ratio


Projection screen size

40" to 300"

Projection distance

130 to 850 cm (from rear of unit to projection surface)

Lamp life

Standard: 3,000 hours, Eco mode: 6,000 hours

Light source

Mercury Lamp

Zoom ratio

x1.36 (manual)

Built-in speaker

10 W mono

Network features

PJ Link, Crestron, AMX

Dimensions (W x D x H)

314.2 x 223.5 x 91.8 mm

Net Weight

3.2 kg

Lens - Type



Mini USB, RJ45(LAN), RS-232C(PC-control)


DLP link, Blu-ray 3D

Keystone - Vertical

+/- 30degree

Keystone - Horizontal


Power consumption (max) - at 110 V

350 W

Power consumption (max) - at 220 V

340 W

Power consumption (ECOmax) - at 110v

280 W

Power consumption (ECOmax) - at 220v

273 W

Operating Temperature

5°C – 40°C

Operating Humidity


Noise level

Standard mode: 37 dB, Eco Mode: 31 dB

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