What’s more, its built-in sound is far less blighted than usual by cooling noise. This delivers 2 x 5W of power in a stereo configuration, and is supported by a 3.5mm audio input/output. Note that while the 4K/HDR HDMI can support 12-bit 4:4:4 HDR at 24p, this drops to 8-bit 4:2:2 with 60Hz 4K HDR content.Īs you’d expect of an ‘affordable’ projector, the UHD40 carries a built-in sound system. It’s a pity that only one of the HDMIs supports 4K HDR the other supports 4K only. Installers will also be pleased to spot an RS232 socket and a 12V trigger port. Unexpectedly, though, the projector does carry an HDR ‘simulator’ that uses processing to convert SDR images to something approximating HDR.Ĭonnections on the projector’s rear include two HDMIs, a VGA PC/component input, and a powered USB port for driving streaming sticks. The UHD40’s HDR playback, as with most projectors, is limited to the HDR10 format. The brightness is particularly intriguing given that most projectors just aren’t bright enough to do a compelling job with HDR. In fact, they’re significantly higher than the figures given for the vast majority of more expensive 4K HDR projectors. These are both significantly higher than the figures given for its closest rival, the BenQ W1700. Just as eye-catching, however, is the projector’s claimed light output of 2400 lumens and 500,000:1 contrast ratio. The headline-grabber here is clearly the UHD40’s ability to deliver 4K HDR pictures for just £1599. My only complaint is that some of the buttons feel uncomfortably loose in their housings. The UHD40’s remote control enjoys an ergonomic shape and size, and the brightest button backlighting I’ve ever seen. Plus, the control buttons on the top panel are attractively integrated and tactile to use. It feels solid and weighty, hinting at some decent-quality innards. On the upside, the unit is small enough to easily fit on a typical coffee table. The general shape, meanwhile, is a dull rectangle with rounded corners. In addition, the opening in the top providing access to the zoom and vertical image-shift wheels feels like it should be covered. Its two-tone white finish is appealing enough, but the grilles and vents around the edges look a bit industrial. The UHD40 arrives in a rather workman-like design. Time to go in search of the catch… Design The Optoma UHD40 DLP projector could be a dream come true for home cinema fans who don’t have many thousands of pounds to spare.ĭespite costing just £1599, it claims to deliver 4K, high dynamic range pictures up to 300 inches across.
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