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AmplifiersHeadphone AmplifiersPre-Amplifiers
Estimated price (community-sourced)
$510
Around — community and catalog average, updates slowly
About the H400
The SMSL H400 is a 2024 desktop headphone amplifier and preamplifier built around a fully balanced discrete design. It emphasizes very high power output, relay-based electronic volume control, three gain levels, and low-noise operation, while also offering balanced and unbalanced analog connectivity for use as a headphone amp or preamp. It is available in black or silver and includes a remote control.
Specifications
Key Specifications
Power: 15W
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