The FiiO K11 is a desktop headphone DAC and amplifier with a CS43198 chip, balanced 4.4 mm outputs and 1400 mW of power.
The K11 brings together USB-C, optical and coaxial inputs along with 4.4 mm balanced and 6.35 mm headphone outputs. An RCA line output and a coaxial output, active in USB mode, complete the connections. This set allows the unit to be linked to a computer, a games console or a hi-fi system.
Into 32 Ohm in balanced mode, the output stage delivers 1400 mW per channel. That reserve drives sensitive earphones as readily as headphones that are hard to feed. The signal-to-noise ratio reaches 123 dB A-weighted.
Three gain levels, each with its own volume curve, match the amplification to the impedance of the headphones in use. USB DAC mode runs without a driver on Windows 10 and later, and stays compatible with PS5 and Switch. The multifunction dial handles power, volume and menu navigation.
The slim-profile aluminium chassis slips easily onto a desk, steadied by a non-slip silicone pad. The high-contrast LCD screen shows the sampling rate, the volume, the gain and the output mode. The RGB logo lighting is adjustable in brightness, colour and pattern.
Data sheet
Specific References
The FiiO FT13 is a closed-back over-ear headphone with amaranth wood ear cups, a 60 mm dynamic driver, and a W-shaped diaphragm, and is Hi-Res Audio certified.
The FiiO FT5 in black are open-back over-ear headphones with a 90 mm planar magnetic driver, supplied with four interchangeable audio plugs.
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