<p>Specially designed for custom integration of whole home audio systems, the “QS” (Quad Streamer) provides four zones of audio streaming and eight channels of high-performance audio amplification in an ultra-slim, 1U-high, rack-mountable enclosure. Expandable and extremely flexible, the QS works with the MusicCast multi-room audio system, allowing it to be linked with home theater AV receivers, sound bars and Hi-Fi gear in a wide variety of configurations.<br><br>Designed for custom integration of a MusicCast multi-room audio system connected via Ethernet LAN in a rack or cabinet<br><br>Streams four zones of audio per unit, expandable to 32 zones with simultaneous playback in linked groups of up to 20 zones each<br><br>Eight channels of audiophile-grade Class D amplification assignable to any zone, bridgeable and 4-ohm capable, featuring a unique ground loop/hum-free circuit design<br><br>Built-in Pandora®, Spotify Connect, SiriusXM Internet Radio, TIDAL, Deezer, Napster and more, plus access to music libraries and linked external sources<br><br>Easy control via a free MusicCast app and 3rd-party control systems<br><br>1U high, rack-wide enclosure removable rack ears and faceplate included<br><br>Ingenious Integration<br>Designed from the ground up for custom installation, the “QS” represents the ultimate integrated solution for filling every room in a home with extraordinary sound.<br><br>Slim Yet Powerful<br>The QS packs four rooms of audio streaming and eight channels of audiophile-grade amplification into a remarkably slim, 1U-high enclosure, allowing you to fully-optimise your valuable rack real estate.<br><br>Expands Easily<br>Multiple QS units can be used together to expand up to 32 zones with simultaneous playback of linked groups up to 20 zones each. In addition, the QS offers four zone preouts that enable it to be combined with the Yamaha XDA-AMP5400RK, a companion multi-room amplifier, to provide more power or more speaker coverage for large areas in a home. The preouts may also be used to connect powered subwoofers or subwoofer amps.<br><br>A Family Like No Other<br>As a member of the MusicCast family, the QS integrates seamlessly with Yamaha AV receivers, sound bars and more. Now everything – from a surround sound home theatre to a bedroom TV system to in-ceiling speakers in the kitchen – can all work beautifully together.<br><br>Stream It All<br>Access all of your favourite music, including built-in streaming services and music libraries on smartphones, tablets and network-attached storage devices.</p>

TECHNICAL DATA

Network SectionFile FormatMP3 / WMA / MPEG-4 AAC, ALAC: up to 96 kHz / 24-bit, WAV/ FLAC / AIFF: up to 192 kHz / 24-bit
EthernetYes (2 terminals)
AirPlayYes
Audio SpecificationsChannel8 channel (2 channel x 4)
Minimum Speaker load Capability4 ohm
BTL ConnectionYes
Speaker Output Terminal4 (Euroblock)
Preout Terminal4
Audio Input TerminalRCA: 2 (CUT IN, AUX), USB: 4
Audio Output TerminalRCA (2-ch through out): 2 (CUT IN, AUX)
Trigger In / Out0 / 4
Remote In / Out1 / 1
Chime4
Rated Output Power (1 kHz, 0.9% THD, 2ch driven)Normal (4 / 8 ohms): 90 / 50 W, Bridge (8 ohms): 100 W
Rated Output Power (1 kHz, 0.9% THD, 1ch driven)Normal (4 / 8 ohms): 100 / 50 W, Bridge (8 ohms):200 W
Dynamic Power (20 Hz-20 kHz, 0.08% THD, 2ch driven, 20 ms burst)Normal (4 / 8 ohms): 80 / 40 W, Bridge (8 ohms): 150 W
Dynamic Power (1 kHz, 0.9% THD, 2ch driven, 20 ms burst)Normal (4 / 8 ohms): 100 / 50 W, Bridge (8 ohms): 200 W
Dynamic Power (1 kHz, 0.9% THD, All ch driven, 20 ms burst)Normal (4 / 8 ohms): 80 / 50 W, Bridge (8 ohms):170 W
Maximum Effective Output Power[1-ch driven, 1 kHz, 10% THD] Normal (4 / 8 ohm): 130 / 65 W, Bridge (8 ohm): 260 W
Total Harmonic Distortion[SP OUT, 20 Hz-20 kHz, 25 W, 8 ohm] 0.04%, [PRE OUT, 20 Hz-20 kHz, 1 V] 0.005%
Frequency Response[1 kHz + 0 / -3 dB] PRE OUT NET / USB IN, AUX IN: 10 Hz-22 kHz, SP OUT NET / USB IN, AUX IN: 10 Hz-22 kHz
Signal to Noise Ratio[PRE OUT NET / USB IN] 114 dB, [PRE OUT AUX IN] 108 dB, [SP OUT NET / USB IN] 106 dB, [SP OUT AUX IN] 104 dB
Rated Output Level / Output Impedance[PRE OUT L / R, 1 kHz] 2.0 V / 470 ohm
Maximum Output Level[PRE OUT L / R, 0.9% THD] 4.0 V
Maximum Input Signal[PRE OUT L / R, 0.9% THD] 2.4 V
Gain[SP OUT 1 V Input] 25.8 dB
Input Sensitivity[1 W Power, 8 ohm] 150 mV, [MAX (50W) Power, 8 ohm] 1.0 V
Web SetupYes
Direct ModeYes
Monaural DownmixYes (stereo playback or monaural downmix selectable)
Compressed Music EnhancerYes
Volume Adaptive EQYes
Volume ControlSupport Terminals: PRE OUT / SP OUT, Range: Mute, -80 dB~ 0 dB, Step: 0.5 dB
EQ Characteristics[Bass] Variable Width: +6.0 dB ~ -6.0 dB / 0.5 dB step, Centre Frequency: 350 Hz, [Mid] Variable Width: +6.0 dB ~ -6.0 dB / 0.5 dB step, Centre Frequency: 1.1 kHz, [Treble] Variable Width: +6.0 dB ~ -6.0 dB / 0.5 dB step, Centre Frequency: 3.5 kHz
Bass ExtensionYes
GeneralPower Consumption130 W, [All Zone On] No Signal Condition: 40 W, [All Zone Off] Chime On: 18.2 W, Cut In Power On Enable: 18.2 W
Standby Power ConsumptionNetwork Standby Off: 0.2 W, Network Standby On(1 Zone): 3.2 W, Network Standby On(All Zone): 6.0 W
Power Management (Auto Power Standby)5 / 20 min, 2 / 4 / 8 / 12 hours selectable
Dimension (W × H × D) mm[Table Top Mount with Adhesive Feet] 437 x 46 x 443 mm 17-1/4” x 1-3/4” x 17-3/8”, [Table Top Mount with Adhesive Feet and Faceplate] 437 x 46 x 453 mm 17-1/4” x 1-3/4” x 17-7/8”, [Rack Mount] 481 x 44 x 443 mm 18-7/8” x 1-3/4” x 17-3/8”, [Rack Mount with Faceplate] 481 x 44 x 453 mm 18-7/8” x 1-3/4” x 17-7/8”
Weight6.3 kg.