Simple, straightforward power with rock solid reliability. The perfect complement to our passive speakers, the HH SCALAR range provides the power to perform.

  • Fan cooled Class A/B stereo amplification
  • Bridge mode
  • Output via Speakon compatible locking connectors and binding posts
  • XLR and jack inputs
  • Heavy gauge steel chassis
  • Standard 2U 19” rack sized
  • Multiway protection
  • Soft start circuitry to eliminate switch on thumps
  • 4000W (SR800) / 5000W (SR1200) IPP (Instantaneous Peak Power)


  • 2U Stereo power amplifier
  • 2x200W
  • 2x400W
  • 1x800W
  • Class A/B
  • Linear
  • 2 x Balanced XLR and jack inputs
  • 2 x 2 pole locking speaker connectors, 4 x binding posts
  • Level x 2, bridge mode switch, ground lift
  • Soft start, comprehensive protection and overload circuitry, signal, clip, fault and power indicators on front panel
  • 2U x 350mm depth
  • 6.9kg