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Amphion Amp400.8 Monitor Amplifier  From Amphion

The Amp400.8 provides an exceptional level of multichannel amplification. As all 8 channels are identical and discreet it can also be used in a 2-channel environment for driving up to 4 pairs of passive speakers.

Amphion Loudspeakers


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Payments as low as $102/mo.

Manufacturer's Description from Amphion

Unique highlights

Low-distortion power

Amp400.8 delivers rock-solid control and tight, fast, highly resolving low-distortion power to get maximum performance from your monitors.


Added performance

To reach the needed sonic performance, a proprietary in-house designed buffer stage compliments the merits of the latest Class-D technology.


The perfect partner

Careful sonic matching and quality components make the amplifiers a perfect partner to all Amphion monitors and other passive speakers.

Amphion Loudspeakers

About Manufacturer

Amphion Loudspeakers Ltd. was established in 1998. We design and build loudspeakers that are characterised by honest and accurate sound reproduction.

All products are handmade in Finland (and the Amphion amplifiers are assembled in Finland) to ensure enduring listening quality.


Power rating
  • @1%THD+N, 20Hz–20kHz 410W ( 4 ohm) / 205 W (8 ohm)
Dynamic range
  • 121.5 dB(A)
  • Balanced 3-pin XLR female
Speaker connectors
  • Neutrik Speakon (NL2FX) 2-pole cable
  • Universal mains, auto select (100-240 V, 50-60 Hz)
  • 19” rack mountable (3U), high quality aluminium
  • 483 x 88 x 260 mm
  • 7.5 kg (16.5 lbs)
Assembled in Finland

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Jacquire King on Amphion studio monitors in his mixing & sound editing setup | Amphion Loudspeakers

A more than 30-time Grammy nominated and multi-Grammy award-winning record producer, engineer and mixer Jacquire King has worked with artists including Kings of Leon, Buddy Guy, Norah Jones, Tom Waits, to name a few. King is an Amphion user and stopped by our booth at The NAMM Show 2019 to share a few words about his experience with Amphion's Two18 studio monitors and BaseOne25 system, as well as the small One12 studio monitors.