The FiiO D3 is a quick and easy way to convert digital audio output into high fidelity stereo analog sound. It is ideal for interfacing between modern digital audio/video devices with analog amplifiers or self-powered speakers. The D3 works with any playback source with an optical Toslink or coaxial digital audio output.
Power supply: DC 5V
Output amplitude: 1.6V（0dB Fs）
Frequency Response: 20Hz~20KHz
Signal to Noise Ratio: ≥90dB
Total harmonic distortion: <0.0110mW