Yamaha XDA-AMP5400RK 100W Power Amplifier (4 Zone, 8 Channel)
Yamaha

Yamaha XDA-AMP5400RK 100W Power Amplifier (4 Zone, 8 Channel)

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An eight-channel Class D multi-room power amplifier for custom installation. The Yamaha XDA-AMP5400RK is a companion to the XDA-QS5400RK, in a 1U rack-width case.

Yamaha designed the XDA-AMP5400RK, which it calls the "AMP", to expand speaker coverage or increase power output in a custom integrated multi-room system. It can also expand secondary zone speaker coverage for Yamaha AV receivers that have Zone pre outs.

Yamaha says it has eight channels of Class D amplification that are bridgeable and 4-ohm capable.

Channels
8 (4 zones of 2 channels)
Power
50 W/ch into 8 ohms, 4-ohm capable
Bridged
Up to 200 W into 8 ohms (1 ch driven)
Response
5 Hz to 40 kHz (+0/-3 dB)
Signal to noise
108 dB
Size
1U rack, 481 x 44 x 443 mm

Why you will love it

Companion to the XDA-QS5400RK

Yamaha says the AMP was conceived as a companion to the Yamaha XDA-QS5400RK. You can feed up to four sources from the QS pre outs into the AMP, and its four audio buses can be patched together for a range of speaker and zone configurations.

It comes with jumper plugs and cables. Yamaha says the audio outs can also connect powered subwoofers or subwoofer amplifiers.

Yamaha XDA-AMP5400RK multi-room power amplifier

Class D amplification

Yamaha says the AMP uses ICEpower integrated circuits to deliver eight channels at 50 W per channel into 8 ohms. It lists 100 W per channel into 4 ohms (one channel driven) and bridged output of 200 W into 8 ohms (one channel driven).

Yamaha lists a frequency response of 5 Hz to 40 kHz (+0/-3 dB) and a signal to noise ratio of 108 dB. It also says a differential circuit design takes care of ground loop hum, and that it uses a balanced audio circuit design and PML capacitors.

Built for installers

Yamaha lists Euroblock-style speaker connectors and a detachable AC cable. Trigger in and out ports, audio sensing inputs and IR in and out give control options.

When a QS and AMP are used together, Yamaha says you can wire the trigger ports to power the amplifier zones on and off, with no extra control interface. Mount it in a rack with the included ears, or remove the ears for a shelf. A magnetic faceplate is included.

Is it right for you?

A great fit if you…

  • Are adding speaker zones or power to a Yamaha XDA-QS5400RK system
  • Want eight channels of amplification in a 1U rack case
  • Need bridgeable or 4-ohm capable amplifier channels

Worth knowing

  • It is an amplifier only. It has no streaming of its own and needs a source such as the XDA-QS5400RK, or an AV receiver with Zone pre outs
  • It is 1U rack-width: 481 x 44 x 443 mm in rack mount form, 6.0 kg
  • No speakers are included

Build your system

Yamaha says the AMP pairs with the XDA-QS5400RK, and with Yamaha AV receivers that offer Zone pre outs.

Specifications

Amplifier

Channels 8 (2 channel x 4)
Minimum speaker load 4 ohm
BTL (bridge) connection Yes
Rated output power (1 kHz, 0.9% THD, 2 ch driven) Normal 4 / 8 ohms: 90 / 50 W; Bridge (8 ohms): 100 W
Rated output power (1 kHz, 0.9% THD, 1 ch driven) Normal 4 / 8 ohms: 100 / 50 W; Bridge (8 ohms): 200 W
Maximum effective output power (1 ch driven, 1 kHz, 10% THD) Normal 4 / 8 ohms: 130 / 65 W; Bridge (8 ohms): 260 W
Total harmonic distortion 0.04% (speaker out, 20 Hz-20 kHz, 25 W, 8 ohm)
Frequency response 5 Hz-40 kHz (1 kHz +0/-3 dB, speaker out, aux in)
Signal to noise ratio 108 dB (speaker out, aux in)
Gain 25.8 dB (speaker out, 1 V input)
Input sensitivity 150 mV (1 W, 8 ohm); 1.0 V (50 W, 8 ohm)

Connections

Speaker output 4 (Euroblock)
Audio input RCA x4
Audio output RCA (2-ch through out) x4
Trigger in / out 4 / 4
Remote in / out 1 / 1

General

Power consumption 130 W (all zones on, no signal: 32 W; all zones off, audio sense on: 14.8 W)
Standby power consumption 0.3 W (audio sense disabled); 0.5 W (audio sense enabled)
Auto power standby Yes (on / off)
Dimensions (W x H x D), table top with feet 437 x 46 x 443 mm (453 mm deep with faceplate)
Dimensions (W x H x D), rack mount 481 x 44 x 443 mm (453 mm deep with faceplate)
Weight 6.0 kg

Specifications from Yamaha Australia's XDA-AMP5400RK specification page, checked November 2026.

What is in the box

  • Rack ears (removable)
  • Magnetic faceplate
  • Jumper plugs and cables

Questions people ask

What is it for?

Yamaha says it expands speaker coverage or power output in a custom multi-room system, as a companion to the XDA-QS5400RK.

How much power does it have?

50 W per channel into 8 ohms. Yamaha lists 100 W per channel into 4 ohms (one channel driven) and 200 W bridged into 8 ohms (one channel driven).

Can it be rack mounted?

Yes. Rack ears and a magnetic faceplate are included, and the ears can be removed for shelf installation.

Can it power subwoofers?

Yamaha says the audio outs can connect powered subwoofers or subwoofer amplifiers.

Can it work with an AV receiver?

Yamaha says it can expand secondary zone coverage for Yamaha AV receivers that have Zone pre outs.

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