Zapco Z-150.4 AP

• 4-Channel, Class-AB, Competition Audiophile Amplifier
• Signal to noise ratio of over 110dB
• Coupled the output drivers
• Highest HFE (Gain) Sanken selected output devices 
• Differential balanced input stage 
• 0.1% resistors for lowest possible noise floor
• TI LME49720 (BJT) op-amps on the inputs
• TI LME49720 (BJT) op-amps in the signal path
• WIMA MKS2 series caps in the signal path
• Extremely low ESR caps throughout
• Proprietary patented RCA connectors

• Power @ 4Ω: 4 x 150 watts
• Power @ 2Ω: 4 x 275 watts
• Power @ 1Ω: 4 x 400 watts *
• Power @ 4Ω Bridged: 2 x 550 watts
• Power @ 2Ω Bridged: 2 x 800 watts *
• THD @ Rated Power  < 1%
• Signal to Noise Ratio > 110dB
• Frequency Response 10Hz to 30,000Hz ±1dB
• Input Sensitivity 1v to 9v
• Dimensions in mm: 190(W) x 62(H) x 440(L) Overall: 190(W) x 62(H) x 468(L)

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*AP amplifiers are stable at 1Ω and 2Ω Bridged only when used with music signal and with proper ventilation.