The USA-50HCv1 is a high-current Class A/B car amplifier designed for audiophiles seeking exceptional sound quality and robust power delivery. Designed in the USA, this amplifier combines classic design with modern performance to elevate your car audio experience. Specifications 270W RMS × 2 @ 4Ω 430W RMS × 2 @ 2Ω 660W RMS × 2 @ 1Ω 870W RMS × 1 @ 4Ω (Bridged) 1270W RMS × 1 @ 2Ω (Bridged) S/N Ratio: 96dB Frequency Response: 5Hz – 50kHz Damping Factor: >1000