12K-420U
POWERFUL CONTROL
Massive power and flexibility in a 2U chassis.
- 12,000 Watts
- 4x 3000 Watts @ 4Ω
- 2x 6000 Bridged @ 4Ω
- 2Ω stable
- AES digital input/output
- XLR Analog input/output
THE POWER IS IN YOUR HANDS
Flexibility and Convenience
The new 12K-420U amplifier was brought to market for one primary goal, to power The 33. With a staggering 12,000 watts of output and 4 channels to boot, the 12K-420U is a powerhouse. With 4 channels of available output, you could even power 4 UNRIVALED 21s.
Featuring AES digital input for a cleaner signal straight to the DSP engine preventing the need for the additional analog to digital conversion. This amplifier also features a web based GUI for modifying the DSP parameters.
Extraordinarily Powerful
12,000 watts of power at your disposal.
AES Digital Input
More flexibility for your next build
Web Based GUI
The convenience of a web based GUI to control the DSP of the amplifier makes setup simpler.
TECHNICAL SPECIFICATIONS
Model Name | 12K-420U |
| Amplifer Type | High Efficiency Class D w/DSP |
| Series | UNRIVALED |
| Frequency Response | 10Hz - 1kHz (+/- 0.5dB) with variable Low & High Pass Filters |
| Number of Channels | 4 |
| Power Output @ 8Ω | 2,000 Watts/channel |
| Power Output @ 4Ω | 3,000 Watts/channel |
Power Output @ 2Ω | 4,000 Watts/channel |
| Power Output Bridged @ 4Ω | 6,000 Watts/channel |
Damping Factor | >5000 |
| Inputs/Output | AES Digital Input/Output XLR Analog Input/Output |
| Features | 30 bands of PEQ 0, 180 degree phase control plus adjustable delay, limiters, dynamic EQ, touchscreen display, web based GUI |
Power Supply | AC 110-240V ~ 50/60Hz Comes with 6-20P 240V connector |
| Rack Space | 2U |
| Dimensions (H x W x D) | 3-15/32" x 19" x 21-9/16" (88 x 482 x 548mm) |
| Weight | 36 lbs (16.4 kg) |
| Warranty | 3 Year Limited |
BUILT IN THE USA
Engineering. Design. Performance.
For over 50 years, RBH Sound has designed and built loudspeakers in the USA with a singular focus - accurate sound reproduction, reliability, and timeless performance. Every product is engineered with premium components and crafted with pride to deliver a listening experience that exceeds expectations.
