The Sound Digital Car Full Range Amplifier 800 is a powerful 4-channel amplifier with 800 watts RMS power at 4 ohms, perfect for car audio systems. With dimensions of 9.84 x 4.72 x 2.36 inches, this amplifier is compact yet efficient, providing clear and strong sound output. Designed by Sound Digital, this product is reliable and high-quality, ideal for enhancing your car audio experience.