RockfordFosgate T40001BD 4000 Watt Class-bd Mono Amplifier. A high-output alternator and large capacitor are recommended. * 0?/180? Phase Switch* 1/0 Gauge power/ground connectors with ANL fusing* 12dB or 24dB/octave selectable crossover* Audiophile grade speaker connections* Best in class 4 oz. copper traces* Infrasonic filter* MasterSync* PowerSync* Stealth Connections
RockfordFosgate RFC10HB 10 Farad Hybrid Digital Capacitor with 10 farad hybrid digital capacitor. * Switchable digital voltage meter* Increases quality of sound* Increases level of bass* Increase the peak power of your amp* Reduce dimming headlights* Platinum plated* Input Gauge Size: 1/0 or 4* Output Gauge Size: 1/0 or 4* Dimensions: 2.25" (Height) x 10.25" (Width) x 6.5" (Length)