Headphone Amplifiers
SMSL SH-9
The SMSL SH-9 is a compact desktop headphone amplifier built around THX AAA-888 technology. It has balanced stereo headphone output and line input, a relay-based volume control, two switchable gain positions and a 1.9-inch LCD.
Specifications
| Frequency response | 0.1 Hz – 500 kHz |
| THD | 0.00006% |
| Signal-to-noise | 137 dB |
As stated by the manufacturer — not community data.
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