Bryston 4B-Cubed 300 Watts Stereo Amplifier - 19" Faceplate (Silver)

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  • Active extremely low distortion input buffer
  • Balanced and Single Ended audio inputs
  • Selectable gain at 23 or 29dB
  • Regulated power supplies to all voltage gain stages
  • Independent power supplies for each channel
  • Convection cooled and housed in a fully aluminum chassis.
  • No fans or other moving parts
  • Bridging switch configures amplifier into a single 900W Channe


  • 300W into 8?
  • 500W into 4?
  • 900W into 8? (Bridged Mono)
Harmonic Distortion≤.005% from 20Hz to 20kHz at 300W
Noise below full output-110dB single ended, -113dB balanced
Slew Rate>60V/µS
Power Bandwidth.5Hz to >100kHz
Damping Factor>500 at 20Hz (8Ω)
Switchable Gain23dB or 29dB

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