Bogen Model GA2 is a rugged, compact 1.5-watt amplifier designed to meet the requirements of continuous low-power audio applications. It is ideally suited for telephone line "music-on-hold" amplification. It can also be used to drive monitor speakers, headphones, or as a line amplifier. With accessory transformer Model WMT1A connected to the input, the GA2 will provide amplification for a 600-ohm telephone line. Model GA2 has a high-impedance input that is available at both a phono jack and screw terminals. Only 50 mV is required for full output. A choice of 8-ohm or 600-ohm output is provided. Low distortion, wide frequency response, and low hum and noise further contribute to excellent performance. A screwdriver-adjustable volume control is provided on the chassis. The amplifier is compact and easily mounted on a wall or in any convenient location. 1.5-watt utility amplifier 1 input: AUX (Hi-Z) 8-ohm or 600-ohm outputs 200 Hz to 15 kHz frequency response 50 mV sensitivity Volume control 120V AC operation 4W power consumption 5-1/2 ft. AC power cord included Wall-mountable design Listed to UL Standard 60065 for U.S. and Canada