American Bass PH-4100.4-FR-V2 Full Range Hybrid Car Amplifier American Bass designed the compact Phantom Series amplifiers that are capable of high-power output with high efficiency and difficult loads. American Bass completed the mission with 5 different models that are both reliable and fairly priced. Integrated with the most modern technology, the Phantom Series amplifiers are one of the most dependable full-range, hybrid car amplifiers on the market. The PH-4100.4-FR-V2 has a max power of 800 Watts and a compact design of 2.2" x 6.0" x 11.04". With some amazing features such as the compact size and tiny footprint, double sided PCB and SMD components, full mosfet design, adjustable bass boost, noise-free design, and the overload, overhead, and high/low voltage protection, this amplifier is meant for long-lasting, top of the line performance. Specifications: American Bass PH-4100.4-FR-V2 Full Range Hybrid Car Amplifier Max Power: 800 Watts Frequency Response: 15 Hz - 25 kHz Compact Size and Tiny Footprint Full Mosfet Design LPF and HPF Crossover Adjustable Bass Boost Class AB Hybrid Design for Strong Bass & Hi-Fi Performance Noise Free Design Overload, Overheat, & High/Low Voltage Protection RoHS Compliant Dimensions (H x W x L): 2.2" x 6.0" x 11.04"