The Ampere Audio AA-150.4 is the perfect 4-Channel amplifier for all builds; big and small. This quality sounding Digital class D 4-channel will work with any type of speaker. If you have pro audio to keep up with a massive sound stage or a high end sound quality build, the AA-150.4 will work in your setup!

Technical Specs

  • Number of Channels: 4
  • RMS power, 4 ohms stereo: 150W x 4CH
  • RMS power, 2 ohms stereo: 225Wx 4CH
  • RMS power, 4 ohms bridged: 450W x 2CH
  • Input Sensitivity: Variable 200mV~8V (+/- 5%)
  • Channel Separation: 75dB
  • Frequency Response: 10Hz~40KHz (+/- 1dB)
  • Low Pass Frequency Crossover: 50Hz~5KHz
  • High Pass Frequency Crossover: 50Hz~5KHz
  • Subsonic Filter: 10Hz~500Hz
  • Bass Boost: 0 ~ 12dB
  • T.H.D Continuous @ 4 ohm, 1KHz: <0.5%
  • Working Voltage: DC 8.5V~16V
  • Signal To Noise Ratio: >90dB
  • Recommended Fusing: 30A x 2
  • Dimensions: 174(W) x 52(H) x 290(L) mm


  • Multi-Way Protection Circuitry
  • (Thermal/Over Current/Speaker Short/Speaker DC Protection)
  • Variable Subsonic
  • Variable Bass Boost
  • Variable Low Pass Filter
  • Variable High Pass Filter
  • 4 Gauge Power Supply Connectors
  • Class-D
  • 2 Ohm Stability

Recommended Power

For the Ampere Audio AA-150.4, we recommend using 8ga OFC wiring.

Customer Installs