Introducing the Stetsom IR 400 4-Channel 2 OHM amplifier ? the pinnacle of power and precision in car audio. Engineered with cutting-edge technology and meticulous craftsmanship, this powerhouse amplifier delivers an unparalleled audio experience for enthusiasts seeking premium sound quality on the road. With four channels and a 2 OHM impedance, the IR 400 is designed to push the boundaries of your car audio system. Whether you're blasting your favorite tunes or fine-tuning your soundstage, this amplifier provides the versatility and performance you demand. Boasting Stetsom's renowned reliability and durability, the IR 400 is built to withstand the rigors of daily use while delivering consistent, crystal-clear sound. Its sleek design and compact form factor make installation a breeze, ensuring a seamless integration into any vehicle. Elevate your car audio experience to new heights with the Stetsom IR 400 4-Channel 2 OHM amplifier. Transform your drive into a symphony of sound and immerse yourself in the ultimate listening pleasure. Unlock the full potential of your audio system and unleash the power of Stetsom today. Number of Channels: 4 RMS Power at 2 Ohms 13.8V: 4 x 100 WRMS Power @ 13.8V Bridge 4 Ohms: 2 x 200 WRMS Operating Voltage: 9 ~ 15V Frequency Response: 10Hz ~ 24KHz Low Pass Crossover: 90Hz High Pass Crossover: 90Hz Signal to Noise Ratio: 90 dB Total Harmonic Distortion (THD + N 1W @ 4?): 0.01% Input Sensitivity: 200 mV Input Impedance: 20K OHMS Minimum Output Impedance: STEREO: 2 OHMS / BRIDGE 4 OHMS Musical Signal Consumption: 17A Bass Signal Consumption: 33.5A Dimensions (H x W x L) mm: 52.5 x 127.5 x 99.7 Weight (kg): 0.52