Caliber Series 1,800w Class A/B Full Range Amplifier

Max Power (Watts)1,800 Watts
RMS Power @ 4Ω Bridged2 x 450
RMS Power @ 2Ω4 x 225
RMS Power @ 4Ω4 x 180

Caliber amplifiers are the next step in performance and value. Taking advantage of our tried and true class A/B full range and improved efficiency class D monoblock platforms, Caliber amplifiers continue down the road of reliability and longevity you know well.


  • 2-ohm Stereo & 4-ohm Bridged Full-Range Operation
  • Military Grade PCB w/ PWM MOSFET Power Supply
  • Direct Short, Thermal, & Overload Circuit Protection
  • High/Speaker Level & Low Level/RCA Input
  • 200mV-6V Low-Level RCA Input
  • Pre-Amp Low-Level RCA Outputs
  • 4g Power Wire & 8g Speaker Wire Outputs
  • Variable 12dB High & Low Pass Crossovers
  • 12dB Bass Boost Increases Low Octave Harmonics


Max Power (Watts) 1,800 Watts
RMS Power @ 4Ω Bridged 2 x 450
RMS Power @ 2Ω 4 x 225
RMS Power @ 4Ω 4 x 180
Dimensions (9.50″w x 2″h) 15.25″