Amazing pair of B&K M200 Monoblock amplifiers Both work 100% See last picture for full specs as far as dampening, factor and power output 200 rms at 8 ohms. 400 rms at 4 ohms. Each. These have single ended and balanced inputs so are very versatile Have tons of dampening even at 4 ohms and plenty of headroom Underrated and very heavy and well-built A great addition to any system, please see all pictures. Overall condition is nice little bit of surface pitting on the top of one. Please see the pictures the other ones similar but a lot cleaner. Will be professionally packed and ship to ensure safe arrival please email with any questions thank you Also selling threshold, preamp and monster cable M1 interconnects if you’re looking to build an audio file system See sellers other listings thank you