US Amps - made in Gainesville, Florida
I don't think this is the exact one. (Yours looks a few years old.)
Great amps though
www.usamps.com
USA-50HC
This full-featured power house defines state-of-the-art car audio around the world. This amazing product is complete with a fully variable 24dB crossover, Remote Bass Gain, and a 36Hz subsonic filter to deliver massive power where and when you need it most. Exclusive Smart Amp Technology (SAT) monitors amplifier functions and keeps a retrievable record of faults and time of operation.
Two Channel Class AB Amplifier
Total Power Output: 375 Watts RMS
THD at Rated Power: <0.006%
Stereo Separation: >98dB
Signal/Noise Ratio: 105dBA
Frequency Response: 5Hz-50KHz
Fuse Rating: 75 Amps
Dimensions: (Including Terminals)
62mm / 2.44in High
229mm / 9.0in Wide
368mm / 14.50in Long
Weight: 3.63kg / 8.00lb
Variable 24dB Low-Pass Active Crossover
One-Half Ohm Stable
25 Watts x 2 into 4 Ohms
33 Watts x 2 into 3 Ohms
50 Watts x 2 into 2 Ohms
100 Watts x 2 into 1 Ohm
185 Watts x 2 into ½ Ohm
100 Watts Bridged into 4 Ohms
132 Watts Bridged into 3 Ohms
200 Watts Bridged into 2 Ohms
375 Watts Bridged into 1 Ohm
Available in Black or Chrome
(Specifications subject to change without notice.)