Filter Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low View: 12 24 All Quick View -9% Quick View Definitive Technology SubAmp 600 Reference In Wall Subwoofer Amplifier $799.00 $725.00 High-Power Amplifier for use with IWSubs 275W x 1, or 230W x 2Add to cartCompare