| Brand | FiiO |
|---|---|
| MPN | FIK11 |
| Model | FiiO K11 |
| Type | Mini/Headphone Amplifier |
| Form Factor | Tabletop |
| Number of Headphone Channels | Single Channel |
| Recommended Headphone Impedance | Not Specified by Manufacturer |
| Headphone Output Power | 1/4 Unbalanced: ≥ 520 mW per Side into 32 Ohms (1% THD) 1/4 Unbal |
| Digital Chipset | DAC: 1 x Cirrus Logic CS43198 |
| Analog Circuitry | Power Amplifier Op-Amp: 2 x SGM8262-2 |
| EQ | No |
| Display | No |
| Analog Audio I/O | 1 x Stereo RCA TS Unbalanced Stereo Line Output (1 Stereo Pair) |
| Digital Audio I/O | 1 x TOSLINK Optical S/PDIF Input 1 x RCA Coaxial S/PDIF In/Out |
| USB | 1 x USB-C |
| Wireless | No |
| Frequency Response | Line, Headphone, Balanced Headphone Outputs: 20 Hz to 50 kHz 20 Hz to 20 kHz |
| Maximum Output Level | RCA Line Outputs: 1.95 Vrms 1/4 Headphone Outputs: 12 V p-p 4.4 m |
| Impedance | 1/4 Headphone Outputs: 8 to 150 Ohm (Unbalanced) 4.4 mm Headphone |
| THD+N | RCA Line Outputs: 0.00035% 1/4 Headphone Outputs: 0.00059% 1/8 / |
| SNR | RCA Line Outputs: ≥ 120 dB 1/4 Headphone Outputs: ≥ 123 dB 4.4 mm |
| Noise | RCA Line Outputs: < 0.9 µV (A-Weighted) 1/4 Headphone Outputs: < |
| Crosstalk | RCA Analog/Line Outputs: ≥ 120 dB 1/4 Headphone Outputs: ≥ 71 dB |
| Sample Rates | 384 kHz (PCM) |
| Bit Depths | 32-Bit (DSD) Up to 32-Bit (PCM) |
| OS Compatibility | Windows macOS *As of October, 2023: Check with manufacturer for the most up-to-date compatibil |
| Mobile App Compatible | No *As of May, 2023: Check with manufacturer for the most up-to-date compatibil |
| Mobile Device Compatibility | No |
| Power Requirements | AC/DC Power Adapter (Included) |
| AC/DC Power Adapter | 15 VDC at 2 A (Included) |
| Dimensions | 5.8 x 5.2 x 1.27 / 14.7 x 13.3 x 3.23 cm |
| Weight | 0.9 lb / 407.0 g |
| UPC | 6953175710455 |
Check the listing for details. FiiO K11 Desktop 1400mW Power Balanced Headphone DAC & Amplifier. Condition: New. Listed at 142.99 USD. Under a 32-ohm load, the K11 is capable of pushing 1400mW under balance modes. This allows it to easily drive many hi-fi earphones and headphones to fully unlock their potential. 1400mW Power Output.
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