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. Designed for custom integration of a MusicCast multi-room audio system connected via Ethernet LAN in a rack or cabinet Streams four zones of audio per unit, expandable to 32 zones with simultaneous playback in linked groups of up to 20 zones each 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 Built-in Pandora®, Spotify, SiriusXM Internet Radio, SiriusXM Music for Business, TIDAL, Deezer, Napster and more, plus access to music libraries and linked external sources Easy control via a free MusicCast app and 3rd-party control systems 1U-high, rack-wide enclosure; removable rack ears and faceplate included Specifications: XDA-QS5400RK Multi-Room Amplifier Network Section File Format MP3 / WMA / MPEG-4 AAC, ALAC: up to 96 kHz / 24-bit, WAV / FLAC / AIFF: up to 192 kHz / 24-bit Ethernet Yes (2 terminals) AirPlay Yes (AirPlay 2 via firmware update) Audio Specifications Channel 8 Channel (2 channel x 4) Minimum Speaker load Capability 4 ohm BTL Connection Yes Speaker Output Terminal 4 (Euroblock) Preout Terminal 4 Audio Input Terminal RCA: 2 (CUT IN, AUX), USB: 4 Audio Output Terminal RCA (2-ch through out): 2 (CUT IN, AUX) Trigger In / Out 0 / 4 Remote In / Out 1 / 1 Chime 4 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 Setup Yes Direct Mode Yes Monaural Downmix Yes (stereo playback or monaural downmix selectable) Compressed Music Enhancer Yes Volume Adaptive EQ Yes Volume Control Support 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, Center Frequency: 350 Hz, [Mid] Variable Width: +6.0 dB ~ -6.0 dB / 0.5 dB step, Center Frequency: 1.1 kHz, [Treble] Variable Width: +6.0 dB ~ -6.0 dB / 0.5 dB step, Center Frequency: 3.5 kHz Bass Extension Yes General Power Consumption 130 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 Consumption Network 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] 17-1/4” x 1-3/4” x 17-3/8”, [Table Top Mount with Adhesive Feet and Faceplate] 17-1/4” x 1-3/4” x 17-7/8”, [Rack Mount] 18-7/8” x 1-3/4” x 17-3/8”, [Rack Mount with Faceplate] 18-7/8” x 1-3/4” x 17-7/8” Weight 13.9 lbs.
