PLEASE CALL FOR AVAILABILITY. The Classic Series of P.A. amplifiers are the result of Bogen’s commitment to provide products that meet the need of the commercial sound industry. Each amplifier accommodates up to four inputs: 2 balanced microphone inputs, 1 high impedance auxiliary input, and 1 input from a telephone line, or 1 microphone, 2 auxiliary, and 1 telephone input. A front panel selector switch is used to select either the MIC2 or AUX1 input. Each channel is equipped with its own volume control. Treble and bass controls are provided to adjust tonal balance. Output screw terminals are provided for 8 and 16 ohm balanced and 4 ohm unbalanced systems, and for 25 volt and 70 volt constant voltage systems. Also features a microphone precedence circuit and thermal/electrical protection against abnormal heat build up, short circuits, and overload. UL and CSA listed. Frequency response: 20-20,000 Hz (+/-1 dB). Distortion: <1% 70-16,000 Hz at full rated power. Dimensions: 12-1/2" W x 3-3/4" H x 11"