Discover the power of sound with the TOA DA-550F CU A00, a state-of-the-art 4-channel digital power amplifier. Designed for efficiency and performance, this 550W powerhouse features a Class D design that is 85% efficient, ensuring minimal energy waste. Its compact, lightweight build fits perfectly into a 19" cabinet rack with a 2U height, making it ideal for any setup. Each channel operates independently with its own power supply, offering unparalleled audio control. Additionally, the amplifier includes a selectable bridge operation and a forced-air cooling system to maintain optimal performance while keeping heat levels low. With comprehensive protection circuitry, the TOA DA-550F is built to last. Enhance your audio experience—make it yours today!