FEE Portable Mini USB DAC Headphone Amplifier High Resolution Decoding AMP DSD512 2.5 Balance Output External Sound Card

FEE HA12 is a Portable mini headphone amplifier,support up to DSD512.

Decoding chip:AK4493

PCM Support16/24/32bit 44.1Khz-768Khz

DSD SupportDSD64/128/256/512

Input Interface Type-C

Output Interface3.5MM Analog and 2.5MM Balance

Support Windows, OS

OTG Support IOS, Android

Size :58mm x 17mm

Technical parameters related to balance and unbalance:

Working voltage (VBUS): 4.75.3V

Output level (0dB):

2Vrms RL/600 ohms, unbalanced;

4Vrms RL/600 ohm, balanced

Frequency response flatness (20Hz20KHz), unbalanced: +0.05, -0.3dB

Noise level :4.5uV, unbalanced; 8.1uV, balanced

Signal-to-noise ratio (SNR): 117dBA

Total harmonic distortion + noise (THD+N):

103dB RL/600 ohms, 0dB; -105dB RL/32 ohms, 100mW; unbalanced

110dB RL/600 ohms, 0dB; -105dB RL/32 ohms, 100mW; balanced

Maximum output power:

100mW RL=32 ohm, unbalanced;

180mW RL=32 ohm, balanced;

50mW RL=300 ohm, balanced

The following are the parameters of HA13 headphone amplifier:

Decoding chip: AK4493

PCM support: 16/24/32bit, 44.1Khz-768Khz

DSD support: DSD64/128/256/512

DSD audio support modes: DoP (DSD64/128/256), Native (DSD64/128/256/512)

Input interface: Type-C

Output interface: 3.5mm audio interface

Support Windows, MacOS, Android

OTG supports IOS, Android

Shell material: aluminum alloy

Size: 49.5mm x 15mm

A, working voltage (VBUS): 4.75.3V

B, output level (0dB): 2Vrms RL=600 ohms,

C, frequency response flatness (20Hz20KHz) +0.05, -0.3dB

D, noise level (no weight): 4.5uV,

E, signal-to-noise ratio (SNR): 117dBA