FiiO New K3S Desktop Headphone Amplifier & USB DAC

Two USB AUDIO modes | Flagship-grade PCM 384k/DSD256 decoding RGB indicator light | Dual headphone outs, dual digital audio outs ADC volume control

Just connect the new K3S to your computer via USB to instantly upgrade to high-fidelity sound, and enjoy your music the way it was meant to be heard. Equipped with an XMOS USB receiver chip, the new K3 headphone amps is capable of decoding up to 384kHz/32 bit PCM and native DSD256 – the same as many DACs costing much more.

The new K3's dual crystal oscillators ensure that any digital audio signals being fed into the DAC are exactly correct for further enhanced sound quality. New K3S

Hardware scheme
XMOS: XU208, DAC: ES9038Q2M, LPF: TI OPA1612, AMP: OPA926×2

Volume control
ADC analog potentiometer

Firm upgrade
XMOS edition supports upgrade via USB

Max sampling rate
384kHz-32bit/DSD256

Recommended headphone impedance
16~150 Ω
192kHz-32bit/DSD64 (coaxial)
96kHz-32bit (optical)

USB
USB Type-C (USB 1.0/USB 2.0)

Balanced headphone output port
2.5mm

Analog audio output port (LO)
Standard 3.5 mm

Headphone output port
Standard 3.5 mm