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DAC/Headphone Amplifier FiiO K11 32-bit/384kHz, THD 0.00035%, SNR 126 dB, 6.3mm Output, DC Power
The FiiO K11 is a desktop DAC and headphone amplifier designed for high-fidelity playback on a home or desktop audio system. It supports up to 32-bit/384kHz audio decoding, and its measured performance shows very low distortion (THD 0.00035%) and a high signal-to-noise ratio (SNR 126 dB). The unit offers a standard 6.3 mm headphone output and runs on DC power, making it suitable for use with full-size headphones and stationary listening setups. With a compact footprint and a weight of 407 g, the K11 is intended for users seeking accurate, neutral sound reproduction for critical listening and everyday desktop audio tasks.
The FiiO K11 combines a high-resolution D/A converter with a low-noise headphone amplifier to provide clear, detailed sound with minimal distortion. Its measured THD of 0.00035% and SNR of 126 dB indicate a wide dynamic range and quiet background, which helps reveal fine audio details. The 6.3 mm output ensures compatibility with most professional and consumer over-ear headphones. The compact, desktop-friendly design and DC power operation make the unit easy to integrate into existing home audio or computer-based setups.
Connect the FiiO K11 to your audio source using the appropriate digital input supported by your source device, then connect headphones to the 6.3 mm output. Power the unit with the supplied DC adapter. Adjust volume and source selection on the device as required. For optimal results, allow the unit to warm up briefly after powering on and set source device output to match the K11's supported sample rate and bit depth when using high-resolution audio files.
Use quality interconnect cables and set your source device to the native sample rate when possible. Keep the K11 on a stable, vibration-free surface and avoid placing other electronic devices directly on top to minimize interference. If using headphones with lower sensitivity, increase the K11 volume gradually to find a clean listening level without clipping.
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