OSD Nero HTA4200 amplifier in perfect like new condition. 4x 140w or bridge at 2x 400w. This amp has been very lightly used in a dedicated theater room to run height speakers. It's totally overkill for what I need. For fun I've used it to listen to my Bowers and Wilkins towers. It sounds incredible. Includes original box and manuals. The amp currently sells for 700 plus tax. My price is firm.