Beta Three UA 8660 Pro

The UA 8660 Pro 2U professional amplifiers have been engineered for reliability where full power is required for extended times in fixed installations or portable applications. The UA 8660 Pro 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 8Ω):   2 x 660W
Rated Power (Stereo 4Ω)             2 x 1000W
Rated Power (Bridge 16Ω)           1300W
Rated Power (Bridge 8Ω)             2000W
Rated Power (Parallel mono 8Ω)              660W
Rated Power (Parallel mono 4Ω)              1000W
THD (@1kHz)    <0.05%(10%Rated power）
Amplifier Type Class H
S/N Ratio             >108dB(A-Weight)
Damping Factor                >800 @ 8ohm/100Hz
Frequency Response (+0/-0.25dB)           20Hz-20kHz
Input Sensitivity              1V
Input Impedance             20kΩ Balanced, 10kΩ Unbalanced
Input connector               2 x XLR, 2 x 6.5mm TRS
Output Connector           2 x NL4 + 4 x Binding post
Power Supply    220V-230V 50/60Hz, 1000VA
Cooling                4 x fans, airflow from front to back
Dimensions (W x D x H)                483mm x 375mm x 88mm
Packing Dimension (W x D x H)  550mm x 540mm x 175mm
Net Weight        15kg (33.1lb)