SP400 vs H400
The H400's power @ 8ω is 15W against the SP400's 12W and its output impedance 22Ω against 0Ω. Both share signal-to-noise (133 dB) and thd (0.000%).
AI-generated product photo — not official manufacturer imagery.
AmplifiersHeadphone AmplifiersPre-Amplifiers
Estimated price (community-sourced)
$320 - $409
Around — community and catalog average, updates slowly
About the SP400
The SMSL SP400 is a desktop headphone amplifier built around THX AAA-888 technology. It is a fully balanced design with balanced and unbalanced inputs, balanced and unbalanced headphone outputs, and a pre-balanced output for use as a preamp. Review and manufacturer information describe it as a powerful, low-noise, clinically neutral amplifier suitable for sensitive IEMs and demanding headphones alike.
Specifications
Analog Output
Analog signal output specifications
- THD
- 0.000%
- SNR
- 133 dB
- Output Impedance
- 0Ω
Connectivity
Input and output connections
- Bluetooth
- No
- Wi-Fi
- No
- Ethernet
- No
- Analog Inputs
- RCA, XLR
- Analog Outputs
- balanced headphone output, unbalanced headphone output, balanced pre-out
Key Specifications
Power: 12W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions