About this item Dual-channel design: the digital amplifier board adopts dual-channel design with low interference, fast frequency response and good noise reduction ratio. Good heat dissipation: the digital amplifier board is equipped with a fan and a large heat dissipation area to better maintain long-term operation Multi-functional application: The digital amplifier board is equipped with short-circuit and thermal protection functions, as well as over-voltage, under-voltage and DC protection functions, which can prevent complete failure. Product Specifications: Digital amplifier board output input voltage of AC 24V ± 24V, output power of 2 x 420W, output impedance of 4-8Ω 4-8Ω Multi-purpose application: The excellent performance and comprehensive price/performance ratio of digital amplifier boards are widely used in store promotions, home theaters, plaza loudspeakers, etc.
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