This Acoustic Audio XS1004, Xtreme Series 4 channel car amplifier, retails for $224.99 plus tax. Acoustic Audio Xtreme Series amps feature fine-tuned audio controls, extreme durability, and proprietary technologies that deliver stronger, more reliable performance than most other amplifiers on the market today. This high performance MOSFET amplifier delivers 75 watts RMS (4 ohm) to 125 watts RMS (2 Ohm) into each channel - more than enough to drive a pair of full-range speakers or components to their musical peaks. You can also bridge the amp to blast 1000 watts peak power (500 watts x 2 channels) to a pair of subs or with its Tri-mode capability, run subs and speakers simultaneously. Other features include: MOSFET power supply, power/protection LEDs, selectable LP/FLAT/HP crossovers, LP (low pass) filters, gain controls, and RCA line inputs (low level). We are an authorized Acoustic Audio dealer. Complete with a full 1 year warranty and our exclusive 30 day money back guarantee.