**********Polk Audio Amplifier**********The PA 330.2 is a two-channel class A/B amplifier with built-in fully variable high-pass and low-pass crossover capable of producing 75 Watts x 2 RMS continuous power @ 4 ohm. It's also capable of bridged one-channel operation with a maximum power of 300 Watts into 4 ohms.PA330.2 Features