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

Multi-Room Amplifier Network Section File Format Ethernet AirPlay Audio Specifications Channel Minimum Speaker load Capability BTL Connection Speaker Output Terminal Preout Terminal Audio Input Terminal Audio Output Terminal Trigger In / Out Remote In / Out Chime Rated Output Power (1 kHz, 0.9% THD, 2ch driven) Rated Output Power (1 kHz, 0.9% THD, 1ch driven) Dynamic Power (20 Hz-20 kHz, 0.08% THD, 2ch driven, 20 ms burst) Dynamic Power (1 kHz, 0.9% THD, 2ch driven, 20 ms burst) Dynamic Power (1 kHz, 0.9% THD, All ch driven, 20 ms burst) Maximum Effective Output Power Total Harmonic Distortion Frequency Response Signal to Noise Ratio Rated Output Level / Output Impedance Maximum Output Level Maximum Input Signal Gain Input Sensitivity Web Setup Direct Mode Monaural Downmix Compressed Music Enhancer Volume Adaptive EQ Volume Control EQ Characteristics Bass Extension General Power Consumption Standby Power Consumption Power Management (Auto Power Standby) Dimension (W × H × D) mm Weight

	XDA-QS5400RK

	XDA-QS5400RK
Multi-Room Amplifier Specs
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.

XDA-QS5400RK

Multi-Room Amplifier Specs

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

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

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.

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