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AmplifiersPower Amplifiers
Estimated price (community-sourced)
$139
Around — community and catalog average, updates slowly
About the PA40
The SMSL PA40 is a compact two-channel Class D power amplifier using Infineon’s MA5332MS amplifier chip and JRC’s NJU7391A electronic volume-control chip. It accepts an RCA line-level input and drives passive loudspeakers, delivering up to 165 W per channel into 4 ohms or 85 W per channel into 8 ohms. The amplifier includes a built-in power supply, remote-controlled volume, selectable gain, bass and treble adjustment, and protection functions for abnormal operating conditions.
Specifications
Key Specifications
Power: 85W
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