MONO 600 WATT RMS High performance mono subwoofer car amplifier Value engineered car amplifier with JBL power and performance The JBL Club A1000 mono subwoofer amplifier delivers 1000-Watts RMS using a Class D amplifier design to ensure high output and minimum current draw Speaker-level inputs allow this amplifier to integrate into almost any system even one using your carrsquo;s factory radio You can use the low-pass filter and variable bass boost to maximize the performance of your subwoofer and enclosure while a phase switch ensures that the bass will blend well with your full-range speakers Features Compact size High and low level input Variable crossover and bass boost Low noise and distortion Input Level Control Full on-board protection Phase Switch RBC wired remote Strappable for up to 2 000 watts of power at 4 ohms Class D amp technology Turn-on mode