The Bogen HFCS1/LP(B)HTA125A is a high-performance power amplifier designed for professional audio applications. It delivers 125 watts of continuous RMS output at less than 0.5% total harmonic distortion, with a frequency response of +1 dB from 20 Hz to 20 kHz. The amplifier features high-impedance unbalanced and low-impedance balanced inputs, and outputs for 4-ohm, 8-ohm, 25V, 25VCT, and 70V speakers. It also includes an auxiliary power receptacle, a low-cut filter switch, and overload shutdown protection.