Big Power - Small price! Mono Block Features • 1 Ohm Load Stable Class A/B or D • Variable 12dB 50-250Hz LPF • Variable 12dB 20-50Hz Subsonic Filter (Class D) • Selectable 45Hz, 6/12dB Bass Boost • Freqency Response: 15-150Hz • Signal-to-Noise Ratio: 80dB • Total Harmonic Distortion: .5% • 180o Phase Switch (Class D) • Direct 2 ga. Power & 8 ga. Speaker Terminals • Dash Mount Remote Gain Control • Bridged Synchronization (strap amps together for double power!) • Extruded Aluminum Chassis • Black Texture Finish w/ Silver Trim & Cast Metal Badge • MOSFET PSU Transistors • Regulated PWM Power Supply • Three-Way Protection Circuitry (short, thermal & overload) • High Pass, Low Pass, and Subsonic Filters • Pre-Amp Outputs • 200mV-8V Low Level Input