Rockville dBcomp4 Competition Mono Amplifier 3000w RMS Dyno-Certified! Car Audio
Car Audio Amp. Item Code: dBcomp4. Fully Adjustable 12dB Bass Equalizer. How To Set the Gain On your Car Subwoofer Amplifier Fully Adjustable 24dB / Octave Crossover with Differential Circuitry. 8 Volt Preamp Circuitry.