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ATON DH44 - Four Source Four Zone MultiRoom System The ATON DH44 Digital Audio Router is a premium multi-source, multi-zone audio solution delivering crystal-clear digital sound with no signal loss. It supports four audio sources and distributes them across four zones, expandable up to 28 zones with DH46X expansion routers, ideal for seamless whole-home audio control. Key Features Supports 4 S/PDIF digital source inputs (optical or coaxial) Includes 2 analog source inputs with high-grade analog-to-digital converters D5-Net input for future two-way source and controller integration Expansion Out and Source Loop outputs for DH46X expansion routers 4 source IR outputs plus 1 summed ALL IR output Page/Doorbell trigger input for communication controller integration Analog source input level switches to prevent converter overload Clip LEDs for easy identification of analog-to-digital converter clipping Zone pairing switches to group multiple zones together Auxiliary power outputs for long touch pad wire runs (over 150 ft.) 4 zone touch pad outputs Expandable to 28 zones with additional DH46X expansion routers 1U rack height; rack mountable with optional REKT rack ear kit An Elegant Solution The DH44 connects effortlessly to existing audio sources, delivering superior digital audio throughout multiple rooms. Customisable faceplates for in-wall touch pads blend seamlessly with any interior décor. Combining easy installation, sophisticated design, and convenient control features, it offers unmatched performance for the perfect home entertainment experience. Convenient Touchpad Control The DHTP1 Touch Pad features a built-in high-efficiency digital amplifier (30 Watts per channel) and requires no PC software programming—simply plug in and use. It allows selection between four system sources and a local source. For zones needing a local source such as an iPod®, gaming system or other in-room audio component, connect the DHSIP Source Input Wall Plate to the DHTP1 Touch Pad via Cat5 cable, plug in the local source, and select it on the touch pad. The digitally amplified audio is delivered to in-room speakers over standard speaker wire, providing exceptional sound quality. Specifications 4 S/PDIF digital source inputs (optical or coaxial) 2 analog source inputs with high-grade analog-to-digital converters D5-Net input for integration with future two-way sources and controllers Expansion Out and Source Loop outputs for connection to DH46X expansion routers 4 source IR outputs and 1 summed ALL IR output Page/Doorbell trigger input for integration with page/doorbell communication controllers 2 analog source input level switches to prevent overload of analog-to-digital converters Clip LEDs (2) for easy identification of analog-to-digital converter clipping Zone pairing switches allow multiple zones to be grouped together Auxiliary power outputs for long touch pad wire runs (over 150 ft.) 4 zone touch pad outputs Expandable to 28 zones with additional DH46X expansion routers 1U rack height, rack mountable using optional REKT rack ear kit