A barely used Bogen Communications HTA-125A power amp. A robust, high-performance unit as used by sound professionals in various installations. Power MOSFET circuitry, distortion less than 0.5% THD, 20 to 20,000 Hz. 125 Watt (rms continuous output). Multiple output voltages/impedances available with automatic overload protection. A great amp for a static PA system. Amp can be 19" rackmount or stand-alone. These amps currently sell for about $600.
See:
https://www.bhphotovideo.com/c/product/540596-REG/Bogen_Communications_HTA125A_HTA125A_Power_Amplifier_125W.html
for more details and specs. This is a rock-solid amp and HEAVY.