HAA FEE HA12 - Portable Mini Headphone Amplifier DSD512

HA12 is a Portable Mini Headphone Amplifier for Android、IOS and Windows. Decoding chip:AK4493 PCM Support：16/24/32bit 44.1Khz-768Khz DSD Support：DSD64/128/256/512 Input Interface： Type-C Output Interface：3.5MM Analog and 2.5MM Balance Support Windows, OS OTG Support IOS, Android Size :55mm x 14mm Technical parameters related to balance and unbalance: Working voltage (VBUS): 4.7～5.3V Output level (0dB): 2Vrms RL/600 ohms, unbalanced; 4Vrms RL/600 ohm, balanced Frequency response flatness (20Hz～20KHz), 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