The Sony XM-GS100 is a compact high-performance mono Class-D amplifier engineered to deliver powerful, clean bass for aftermarket subwoofer systems. Designed as part of Sony’s premium GS Series lineup, the XM-GS100 produces up to 600 watts RMS while maintaining efficient thermal performance and excellent sound quality in a small chassis ideal for trucks, SUVs, motorcycles, and stealth installs. Built with Sony’s Active Thermal Control system and Dynamic Distortion Suppressor technology, the XM-GS100 is designed to maintain stable output and clear low-frequency performance even at high listening volumes. The compact single-sided terminal layout allows flexible mounting options for tight installation spaces. Features Mono Class-D subwoofer amplifier Compact GS Series amplifier design Active Thermal Control cooling system Dynamic Distortion Suppressor technology Variable low-pass crossover Subsonic high-pass filter Variable bass boost control Speaker-level input compatible RCA low-level input support Gold-plated connectors Single-sided connection layout Compact stealth-install friendly chassis MOSFET power supply Specifications Amplifier Type: Mono Class-D RMS Power Output: 330W x 1 @ 4 Ohms 600W x 1 @ 2 Ohms Max Power Output: 600W x 1 @ 4 Ohms 1100W x 1 @ 2 Ohms Frequency Response: 10Hz – 300Hz Signal-To-Noise Ratio: 100 dB Low-Pass Filter: 50Hz – 300Hz LPF Slope: 12dB/Oct Bass Boost: 0–10dB @ 40Hz Input Sensitivity: 0.3V – 6V Dimensions: 10.71” x 2.01” x 7.95” Weight: 5.5 lbs Included In The Box XM-GS100 amplifier Mounting hardware Owner’s manual Warranty information