FiiO K3 Portable DAC High-Resolution Audio Compatible

This is the FiiO K3.
Includes the main unit only.
Shows signs of use.

The Fiio K3 is a versatile model featuring:
High-resolution audio support (384kHz / DSD256)
USB DAC and headphone amplifier with balanced output
Compact yet powerful with up to 320mW output
Optical and coaxial outputs

- Brand: FiiO
Basic Specifications (Manufacturer's Description)
Built-in USB DAC headphone amplifier
Supports up to 384kHz / 32bit PCM, DSD256
FIIO Japan
DAC Chip: AKM AK4452
FIIO Japan
USB: Type-C (XMOS XUF208)
■ Output and Performance
Headphone Output
3.5mm: Max 220mW (16Ω)
2.5mm Balanced: Max 320mW (16Ω)
FIIO Japan
S/N Ratio: 113dB or higher
THD+N: 0.004% or lower
FIIO Japan
■ Inputs, Outputs, and Features
Headphone Output: 3.5mm / 2.5mm Balanced
Line Output: 3.5mm
Digital Output: Optical / Coaxial (also usable as DDC)
FIIO Japan
Gain Switch (High/Low)
Bass Boost Function
USB Audio Class 1.0 / 2.0 Switch
■ Circuitry and Design
Op-amp: OPA926 + OPA1612
Independent Power Supply Design (Digital/Analog Separation)
ADC Volume Control (Reduces volume error)
■ Size and Other
Dimensions: 70×58×22mm
Weight: Approx. 82g
■ Summary (Simple)

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