Definitive Technology SubAmp 600 Reference In-Wall Subwoofer AmplifierIn-wall subwoofers reach incredible lows with this outstanding outboard amplifierIntegrated dual amplifiers drive up to two subwoofers for maximum low-end controlVolume, low-pass crossover and phase adjustments allow you to fine tune the room5-way binding posts guarantee an optimal, secure connectionDrive the Sound You ve Always Dreamed ofThe SubAmp 600 puts control at your fingertips, with two discrete high-powered amplifiers in one convenient housing. Built to bolster the D