SUNDOWN AUDIO SFB-500.4 4 Channel Amplifier

Discover the Sundown Audio SFB Full Bridge amplifiers – compact Brazilian-style powerhouses delivering raw performance at an unbeatable price. Stable at 1 Ohm per channel, perfect for PA mid/high arrays, marine systems, or multi-speaker setups. Features: High Efficiency Digital Multi-Channel Design 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 Specifications: Amplifier Type: 4-channel full-range amplifier RMS Power @ 1Ω: 500W × 4 RMS Power @ 2Ω: 300W × 4 RMS Power @ 4Ω: 200W × 4 Operation Voltage: 10.5V – 15.5V Recommended Fuse: 180A Signal-to-Noise Ratio: 100dB High-Pass Filter (12dB): 15Hz – 6kHz Low-Pass Filter (12dB): 50Hz – 6kHz Dimensions 8.25″ x 9.75″ x 2.75" UPC: 810111132947