SMSL DA9 SAC Digital Power AmplifierSMSL DA9 SAC Digital Power Amplifier 2xGerman Infineon's new technology class D power amplifier chip, higher quality, efficiency up to 92%, further reducing power consumption; Using NJRC's electronic volume control chip NJW1194 from Japan, precise volume control and low distortion; The true fully balanced design, from input to speaker output, greatly reducing distortion caused by signal transmission; Built in SMSL SDB patented sound and treble bass
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