Zapco - ST-204D SQ III - Class D, 4-Ch, SQ Power 2Ω: 4 x 290W, 4Ω: 4 x 200W

ST-204D SQ III 4-Ch. Class D Sound Quality Amplifier Features and Functions - 4-Channel, Full Range, Class D- RCA and Speaker Level inputs- Variable input gain control- Variable electronic crossover- Variable bass boost control Technical Specifications - Power @ 4Ω: 4 x 200 watts RMS- THD @ Rated Power < 0.5%THD- Power @ 2Ω: 4 x 290 watts RMS- Power Bridged @ 4Ω: 2 x 580 W RMS- Signal to Noise Ratio > 90dB- THD + Noise < 0.1%- Frequency Response 15Hz to 30KHz ±1dB- Input Sensitivity .25v to 5v- Net Dimensions (mm): 160(W) x 58(H) x 300(L)- Overall Dimensions (mm) 160(W) x 58(H) x 325(L)