This bundle includes the PowerBass PB-GAIN1 Remote Level Controller, ACS-500D 500 Watt x 1 @ 1-Ohm Amplifier, and AWK-40 4 Gauge A/S Complete Amplifier Wiring Kit. The PB-GAIN1 offers wired remote level control for precise bass adjustments. It features a secondary gain control, bass knob, and compatibility with ASA, ASA3, and ACS amplifiers. The ACS-500D is a high-efficiency Class D mono block amplifier with 500 watts of power at 1 ohm. It includes variable low pass crossover, selectable 12dB bass boost EQ, and protection circuitry. The compact design and advanced features deliver superior audio performance. Moreover, the AWK-40 wiring kit boasts heavy-duty 4 gauge CCA/OFC blend components for reliable installation. It includes RCA interconnects, power/ground cables, speaker wire, and various accessories. With 80 amp AGU fuse, premium cable quality, and gold connectors, this kit ensures optimal power delivery and signal integrity. Upgrade your car audio system with this comprehensive bundle for enhanced sound quality and control. Dimensions: 9.7" x 7.1" x 2.0". Discover the perfect balance of power and control with PowerBass!