UA Series Class H Amplifier

UA Series Class H Amplifier

The Beta Three® UA series is a series of 2U professional amplifier engineered and manufactured to offer superior performance and professional operating features with road-tested reliability. With the pioneering technology, the UA series is perfectly suited for various installed and touring applications.

UA332 - Stereo Amplifier
UA332 - Stereo Amplifier


Stereo Amplifier

The UA Series 2U professional amplifiers have been engineered for reliability where full power is required for extended times in fixed installations or portable applications. The UA Series delivers extraordinary performance at unmatched value. 


  • Housed in a rugged, all-steel 2U chassis
  • Rear panel selection switch for Stereo, Parallel and Bridged modes, including Low-cut filter, Ground lift and Limiter switches
  • Operates within 4Ω and 2Ω loads
  • Innovative heatsink with front to back air flow for efficient cooling
  • Variable fan speed is automatically adjusted by temperature
  • Electronically balanced XLR inputs
  • Touch proof binding post and Speakon outputs
  • Precision indented level controls, power switch,
  • Protect, Peak and Signal LEDs indicators for each channel
  • Amplifier protection includes short circuit, excessive temperature, and DC on outputs


Rated Power (Stereo 4Ω)

2 x 200W
Rated Power (Stereo 2Ω)2 x 300W
Rated Power (Bridge 8Ω)400W
Rated Power (Bridge 4Ω)600W
Rated Power (Parallel mono 4Ω)200W
Rated Power (Parallel mono 2Ω)300W
THD (@1kHz)<0.05%(10%Rated power)
Amplifier TypeClass H
S/N Ratio>108dB(A-Weight)
Damping Factor>800 @ 8ohm/100Hz
Frequency Response (+0/-0.25dB)20Hz-20kHz
Input Sensitivity1V
Input Impedance20kΩ Balanced, 10kΩ Unbalanced
Input connector2 x XLR, 2 x 6.5mm TRS
Output Connector2 x NL4 + 4 x Binding post
Power Supply220V-230V 50/60Hz, 500VA
Cooling4 x fans, airflow from front to back
Dimensions (W x D x H)483mm x 310mm x 88mm
Packing Dimension (W x D x H)
Net Weight11kg (24.3lb)
Gross Weight12kg (26.5lb)

UA332 Application

    UA332 Installation

      UA332 Parts

        UA332 Cases

          UA332 Collocation