Sundown Audio SFB-200.4 4-Channel Amplifier

200 x 4 @ 1 ohm RMS 125 x 4 @ 2 ohms RMS 75 x 4 @ 4 ohms RMS 4-channel full-range amplifier Variable 12dB low pass filter: 50Hz – 6kHz Variable 12dB high pass filter: 15Hz – 6kHz Variable 12dB Bass Boost @ 50Hz Power, protection & clipping indicators included Thermal, voltage, speaker short, and dc-offset protection circuitry Optional wired remote control with clipping indicator Introducing the Sundown Full Bridge line of amplifiers! The “Brazilian Style” SFB packs a powerful punch in a compact size, stable down to 1 ohm per channel.  Use the SFB to wire several speakers together on every channel - an ideal amp for a PA mid/high speaker array, a large marine system, or your favorite set of separates. If you are looking for raw power on a budget –  look no further! Product Manual Specifications Frequency Response: 10HZ-20KHZ(-3dB) Input Impedance: 56k ohms Input Sensitivity 5V Max S/N Ratio 100dB Minimum Supply Voltage: 9VDC Maximum Supply Voltage: 16VDC Working Voltage 10.5v-15.5v Recommended Fuse Rating 80A Dimensions 7.25″ x 8.50″ x 2.50″