This is for Carver M-2090i Made in the USA Used condition See pictures to judge physical condition. Full work, normal sound from All channels

This is the best car amps I have ever used. I have 2 with box. Only one manual first one sold comes with the manual second amp comes with a digital copy (photos of the pages into a PDF). 

"...To understand just how rugged a good pro power amplifier has to be. Carver professional Magnetic Field amps travel hundreds of thousands of bumpy road and air miles a year, get slammed and tumbled down arena loading ramps - and then are expected to perform at flat-out maximum output for hours on end without failure. top concert sound companies. And the same engineers directly applied that experience to make your new Carver Mobile Magnetic Field Amplifier the most rugged autosound electronics on the road today.

The result is the best of both worlds: Audiophile sound quality and tough, "bullet-proof" construction that can outlive the vehicle our amplifiers are installed in. No other company make this claim. Because no other car stereo amplifier manufacturer is also a leader in both the home audio and professional concert sound markets the way Carver is.

Your M-2090i offers you both high fidelity and rugged performance. That's because it has two sets of distinguished "parents". On one side is the rich legacy of Carver home audio technology. Our preamplifiers, amplifiers, tuners and CD players are legendary for their sonic accuracy and

innovative features. Glowingly reviewed by literally every major audio publication, they represent some of the finest high-end stereo component designs available today. Naturally, we've lavished the same design and engineering excellence on the M-2090i. Proprietary Magnetic Field Power Amplifier technology enables it to produce substantially more power than many car amplifiers without causing additional drains on your vehicle's electrical system. It is capable of rendering the most minute musical detail with stunning dynamic range and ruler-flat frequency response.  

Yet the other side of your new M-2090i's heritage is equally as impressive: It's a direct descendant of Carver professional sound reinforcement amplifiers which are used in many of the world's largest and loudest concert systems. Imagine the worst punishment you could put a car stereo amp through and then triple it to - Bob Carver"

Specifications

Power Output, Stereo Mode: 90 watts RMS Per channel no more than 0.5% THD

Power Output, Mono Mode: 180 watts per channel into 4 ohms, 20-20 kHz.,

both channels driven, 14.4 VDC, with no more than 0.5% THD

Frequency Response: 20 Hz.-20 kHz.

Input Sensitivity: 125mV -2V

Input Level Attenuation: -12 dB

Subsonic Filter: -3dB at 15 Hz.

Crossover: 18 dB/octave at 80 Hz.

DC Power Supply Voltage: 10.8-16 VDC

Fuse: 20 amp ATC chassis mount

Dimensions: 9.75" x 6" × 2.3"

NOTE: Your M-2090i is stable when driving speaker loads of 2 ohms. For optimum performance, 4 ohm configurations are recommended.

They are working, clean, and tested. Sold as is no returns. 

Thanks for looking.