Zapco ST-5B Amp 5 Channel Class AB Full Range Amplifier 4x70w + 1x250 RMS

5-Channel, Class-AB Full Range Amplifier, Stable into 4 ohms bridged or 2 ohms stereo load

5-CHANNEL CLASS-AB AMPLIFIER: Full-range amplifier delivers 4 x 70 watts at 4 ohms plus 1 x 250 watts subwoofer channel, or 4 x 100 watts at 2 ohms plus 1 x 400 watts for powerful, versatile audio performance.

FLEXIBLE POWER CONFIGURATION: Stable into 4 ohms bridged or 2 ohms stereo load with bridged output of 2 x 180 watts plus 1 x 400 watts at 2 ohms for maximum flexibility in system design.

ADVANCED MOSFET POWER SUPPLY: Features high-efficiency MOSFET technology with less than 0.2% THD at rated power, greater than 90dB signal-to-noise ratio, and greater than 45dB channel separation for clean, distortion-free sound.

VERSATILE INPUT AND TUNING OPTIONS: Equipped with RCA and OEM speaker level inputs, variable input gain control from 0.25v to 5v, variable full/LP/HP electronic crossover, and adjustable bass boost for precise sound customization.

COMPACT DIMENSIONS: Measures 7.17 inches wide x 2.05 inches high x 15 inches long overall, making it easy to install in tight spaces while delivering professional-grade amplification with 10Hz to 20KHz frequency response.