Build a system with plenty of ground-shaking bass with this Polk mono-channel amplifier. Give your sub all the power it needs with 350 watts of RMS power at 4 ohms or push it to the limit with 975 watts of peak power. Six-way system protection guards against power and heat damage during heavy use. Built-in RCA inputs make it easy to connect your subwoofer or daisy-chain with other amplifiers to create the ultimate system.