This HiFi headphone amplifier is normally used to drive a headphone with a impedance 16Ω~300Ω. It can connect mobile phones,audio players,home audio, and car audio to process, amplify and output its audio signals, which can provide strong output power, wider sound field, more sound details.
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.
Support 16-300 Ohm headphone(earphone),Positive and negative voltage:9V
Battery: 3.7V 1700 mAh（OPA1612 Version:2300mAh）,Battery endurance time: 8-10 hours.
Amp IC: NE5532(OPA1612 Version:OPA1612),headphone amp IC:TPA6120*2
Precision ripple voltage regulator chip,HIFI sound components,good sound quality.
SNR: 102db,Distortion rate: 0.005%,Output Power: 1500mW/32 Ohms, 200mW/300 Ohms
Portable Headphone Amplifier Audio Amp Support 16-300 Ohm Headphones/Earphones
–built-in lithium battery, charging can be used for about 8 hours,charging time is about 3 hours, lithium battery comes with protection circuit
–The voltage is too low will automatically shut down
–Patch SMT process, small interference, beautiful sound
–Input and output ports are gold-plated 3.5mm interface,high reliability contact performance
–All-aluminum shell,small size,light and easy to carry, suitable for going out,walking, listening to music
Body Material: Aluminum
Headphone Amplifier,Manual, 3.5mm Audio Cable，Charging Cable.