
FiiO BTR11 Portable DAC and Headphone Amp
$19.99
Singxer
In Stock
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Description
Fully balanced headphone amplifier and preamp with up to 10W output, ultra-low distortion, Class A operation, and adjustable gain.
| Specification | Value |
|---|---|
| Output power | 10W @32Ω, 15W @20Ω |
| Minimum load | 8Ω |
| Distortion | THD+N -125dB @1kHz A-weighted, 5.2V RMS preamp THD+N -117dB @1kHz, 32Ω @8W balanced headphone amp |
| Specifications | THD+N -125dB @1kHz A-weighted, 5.2V RMS preamp; THD+N -117dB @1kHz, 32Ω @8W balanced headphone amp; 16Ω <400mW; 32Ω <800mW; 64Ω <1600mW |
| Noise floor | 500nV RMS A-weighted (20–22kHz) |
| SNR/DNR | >146dB A-weighted |
| Frequency response | 20Hz–80kHz ±0.1dB |
| Class A mode | 16Ω <400mW 32Ω <800mW 64Ω <1600mW |
| Above 64Ω | nearly full Class A power |
| Gain (dB) | SE input → SE output: 0 / +12.8 SE input → BAL output: +6 / +18.8 BAL input → SE output: -6 / +6.8 BAL input → BAL output: 0 / +12.8 |
| SE input → SE output | 0 / +12.8 |
| SE input → BAL output | +6 / +18.8 |
| BAL input → SE output | -6 / +6.8 |
| BAL input → BAL output | 0 / +12.8 |
| Input impedance | SE: 33kΩ BAL: 20kΩ |
| SE | 33kΩ |
| BAL | 20kΩ |
| Input sensitivity | BAL→BAL: High 4.2V RMS / Low 18V RMS SE→BAL: High 2.1V RMS / Low 9V RMS |
| BAL→BAL | High 4.2V RMS / Low 18V RMS |
| SE→BAL | High 2.1V RMS / Low 9V RMS |
| Output impedance | Low-Z mode: 0.15Ω (BAL) / 1.1Ω (SE) High-Z mode: 10Ω (BAL) / 11Ω (SE) |
| Low-Z mode | 0.15Ω (BAL) / 1.1Ω (SE) |
| High-Z mode | 10Ω (BAL) / 11Ω (SE) |
| Preamp output impedance | 150Ω (BAL), 75Ω (SE) |
| Heat dissipation | Copper + aluminum alloy hybrid |