2.5BSST² Dual-Channel (Stereo) Amplifier

The Bryston 2.5BSST² is a compact, high quality, dual-channel (stereo) amplifier intended for use in home sound systems requiring a musically accurate, extremely reliable, no compromise power source.

Power Capabilities:
  • 135W into 8Ω (180W into 4Ω)
  • 360W into 8Ω (Bridged Mono)
  • Balanced and unbalanced inputs
  • Selectable gain at 23 or 29dB
  • No fans or other moving parts
  • Regulated power supplies to all voltage gain stages
  • Independent power supplies for each channel
  • Convection cooled and housed in a fully aluminum chassis
  • Bridging switch configures amplifier into a single 360W Channel
  • Harmonic Distortion: < .005% from 20Hz - 20kHz at 135W
  • IM Distortion: < .005% from 10mW - 135W
  • Noise: 108dB below full output
  • Slewing Rate: < 60V/µS
  • Power Bandwidth: .5Hz - > 100kHz
  • Damping Factor: > 500 at 20Hz (8Ω)
  • Sensitivity & Impedance: 1V in = 100W 50k
  • Available with silver or black faceplate (2U + .55”)
  • 17” or 19” faceplate available (non-rack mountable)
  • Rack mountable Pro Edition available in black (see SST² Pro for more details)

Analog/Speaker Warranty

Unprecedented. Unequalled.

Latest News
08/28 - Sneak a peek at the new phono products coming soon (read more)

08/19 - Congratulations to BusiSoft AV, Quick Start Award Winner! (more)

08/18 - Congratulations to Audio Emporium in Wisconsin! (more)