Power Acoustik PWM-70 7-Band Parametric Equalizer: * 7-band parametric equalizer with 18 dB boost * Volume control with up to 8V RMS of output * Specific bandwidth for each band * Low noise bi-fet op-amp design yields minimum distortion * On-board 30V bi-polar switching power supply * Subwoofer outputs and level controls * Subwoofer frequency selection switch * Input selector for AUX or CD * Universal half-din chassis for ease of installation * Gold-plated RCA input output connectors * 20 dB headroom eliminates signal overload * Signal-to-Noise Ratio: 110 dB at 1V * Maximum Output Voltage: 8V * THD: 0.05 percent