Zapco Z-175.4 AT 450x4 Class AB Amplifier

Z-350.2 AT Features and Functions - 4-Channel, Class-AB, Competition Audiophile Amplifier - Signal to noise ratio of over 110dB - 0.1% resistors for lowest possible noise floor - MUSE02 op-amps - BIAS current regulated to 100 mA for each channel - Balanced/Unbalanced Inputs - Extremely low ESR caps throughout - Proprietary patented RCA connectors Technical Specifications - Power @ 4Ω: 4 x 175 watts - Power @ 2Ω: 4 x 300 watts - Power @ 1Ω: 4 x 450 watts * - Power @ 4Ω Bridged: 2 x 600 watts - THD @ Rated Power < 0.05% - Signal to Noise Ratio > 110dB - Frequency Response 10Hz to 40,000Hz ±1dB - Input Sensitivity 1v to 9v - Net Dimensions (mm): 190(W) x 62(H) x 450(L) - Overall Dimensions (mm): 190(W) x 62(H) x 478(L) User Manual