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Sony xm4es Mobile ES 4-channel Power Amplifier$402.99
Meet the XM-4ES High-Resolution Audio-compatible Mobile ES car amplifier. Optimized circuit design layout and carefully selected components provide exceptional quality sound and performance. Enjoy the power and dynamics of 100 W x 4 (330 W x 2 bridged) RMS power, and the new signal summing feature with combined pre-outs for seamless installation in a variety of vehicles.