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.

FEATURES

• 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

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

• (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

• (1 kHz, 0.9% THD, 2ch driven, 20 ms burst): Normal (4 / 8 ohms): 100 / 50 W, Bridge (8 ohms): 200 W

• (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

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

Dimensions (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.
• Web Setup: Yes
• Direct Mode: Yes
• Monaural Downmix: Yes (stereo playback or monaural downmix selectable)
• Compressed Music Enhancer: Yes Volume Adaptive EQ: Yes