XU09 Portable Mini HiFi Headphone Amplifier Earphone Audio Aux Input Port for iPhone Android Music Player Headphone Amplifier - Black

• Mini HiFi music player amplifier is made of steel material, so which makes it durable

• The size of the headphone amp is 97 x 60 x 15mm, which is compact and lightweight (122g)

• Built-in 2000mAh lithium battery, large capacity supports 8 hours working time

• Rechargeable design, long battery life, can be used circularly

• The portable headphone amp is compatible with various devices, such as computers, smartphones, MP3 Players, and so on

Specifications:

• Model: XU09

• Input/Output port: 3.5mm Studio Input

• Lithium battery capacity: 2000mAh

• Amp using time: more than 8 hours

• Amp internal voltage: 8.3V/1A

• Output power: 40Mw 

• Impedance: 16?

• Adapted headphone impedance: 16-150?

• SNR: >100Db

• THD+N: 0.0003%