Sony power amplifier PA-P1600. Selling due to a complete system overhaul. I am also selling other audio equipment, and I will offer a small discount for combined purchases. SONY power amplifier PA-P1600 Equipped with output level display and zone selection function. Quoted from the internet: The PA-P1600 is a high-quality power amplifier compatible with high-impedance speakers. ● 60W output monaural power amplifier compatible with Hi-impedance speakers. ● Equipped with a 5-system zone select function to choose the broadcast location and a simultaneous broadcast function for all speakers. ● Equipped with stacking terminals, which are convenient when adding more units. ● Equipped with a power control terminal that can be linked with other devices (SRP-D2000, PA-A1600M, etc.) for power on/standby, supporting a wide range of systems. Manufacturer: SONY Model: PA-P1600 Please check here for details. http://www.ecat.sony.co.jp/professional/audio/products/index.cfm?PD=12535&KM=PA-P1600