H400 vs SH-X
The SH-X's signal-to-noise is 137 dB against the H400's 133 dB, its output impedance 0Ω against 22Ω, and its input impedance 32000Ω against 47000Ω. Both share thd (0.000%).
AI-generated product photo — not official manufacturer imagery.
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
Analog Output
Analog signal output specifications
- THD
- 0.000%
- SNR
- 133 dB
- Output Impedance
- 22Ω
Connectivity
Input and output connections
- Bluetooth
- No
- Wi-Fi
- No
- Ethernet
- No
- Analog Inputs
- balanced, unbalanced
- Analog Outputs
- balanced, unbalanced
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 254 × 46 × 189 mm (W × H × D)
- Weight
- 2.03 kg (4 lbs)
- Available Colors
- black, silver
Key Specifications
Power: 15W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions