FiiO K3 USB DAC and Headphone Amplifier

FiiO

*Please check with our online customer service team or your local store for stock availability

Genuine

 Main ports and buttons:

* USB Type-C port: for digital audio transmission and power supply
* 3.5mm line output port
* 3.5mm single-ended headphone output port
* 2.5mm balanced headphone output port
* Coaxial output port
* Optical output port
* Volume knob with on/off function
* Bass switch
* Gain switch
* USB1.0 (driver-free)
* Working indicator

Main features:

* USB DAC: Supports up to 384kHz/32bit
* Power supply via the USB port: Convenient and safe
* High-performance discrete built-in DAC chip
* Various ports: Lineout, single-ended / balanced headphone output, coaxial, optical and so on.
* High-performance discrete headphone drive and circuit protection
* Built-in power filtering and switching circuit for purer audio output
* Gain and bass to meet different listening requirements

Electronics solution composition:

* XMOS XUF208 for USB data exchange: being compatible with USB 2.0 and USB1.0;

* OPA926 as the headphone amplifier chip: low distortion and noise, to increase the front driver and for a more convenient tuning;

* AKM AK4452 as the DAC chip: supports high sampling rates signal, high SNR and low distortion;

* TI OPA1642 as the LPF: to drive the line output;

* Comes with gain switch, voltage amplifying and active Bass circuit



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