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Yamaha Introduces Quad-Streaming MusicCast Amplifier Designed for Custom-Installed Multi-Room Audio

This quad-streaming amplifier, “QS” for short, offers compatibility with the extensive range of MusicCast audio products.

Yamaha is expanding its MusicCast multi-room audio ecosystem and deepening its commitment to custom integrators with the introduction of the XDA-QS5400RK MusicCast multi-room streaming amplifier.

Designed specifically for custom-integrated multi-room audio applications, this quad-streaming amplifier, “QS” for short, offers compatibility with the extensive range of MusicCast audio products. It provides four zones of streaming audio with eight channels of amplification for powering in-ceiling speakers throughout the house, as well as outdoor speakers by the patio, pool, or garden. The streams may be assigned to any or all pairs of the amp channels.

As part of the Yamaha MusicCast family, the QS integrates seamlessly over a network with a wide array of WiFi-connected MusicCast products. With MusicCast, music enthusiasts can enjoy popular streaming services, thousands of internet radio stations, and music libraries stored on mobile devices and computers. Supported streaming services include Spotify, Pandora, SiriusXM Internet Radio, SiriusXM Music for Business, TIDAL, Deezer, and Napster. MusicCast supports high-resolution audio streaming up to 192kHz/24-bit.

The QS features an 1U-tall rack-mountable enclosure that comes with removable rack ears and a faceplate to provide a finished look in an AV equipment rack or cabinet. Dual Ethernet LAN ports make it easy to daisychain multiple units in a rack, allowing for expansion up to 32 zones.

As befits the Yamaha heritage of true sound, the QS delivers the highest levels of audio performance using the most advanced audio technologies. It employs dual, audiophile-grade 384kHz/32-bit ESS Sabre digital-to-analog converters (DACs), which appear in flagship Yamaha AVENTAGE AV receivers, and ultra-efficient ICEpower integrated circuits to deliver eight channels of pristine, musically-dynamic digital amplification at 50 watts/channel (8 ohms) with an outstanding 10 Hz to 22 kHz (+0/-3 dB) frequency response and 106 dB signal-to-noise ratio. It is capable of 4 ohms at 100 watts/channel and bridgeable to 200 watts/channel (8 ohms).

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