HA9 is a portable headphone amplifier, suitable for car audio, mobile phones, MP3 players, home audio, etc., it can raise the sound density, increase the sound richness and sense of space ^^
Battery: 3.7V 2300 mAh,
Battery endurance time: 8-10 hours.
^^ Amp IC: OPA1612*1, headphone amp
IC: TPA6120*2 ^^
SNR: 102db, Distortion
rate: 0.005 %,
Output Power: 1500mW/32 Ohms, 200mW/300 Ohms ^^ Precision ripple voltage regulator chip, HIFI sound components, good sound quality