This is the smallest portable headphone amplifier in the world! Improves the sound quality for MP3/MP4 Players Computers or Mobile Phones when using earphones or headphones. Save your player battery and lengthen the play time when playing music. Designed for high impendence and low sensitivity headphones, with bass boost function
Small and easy to carry (you won't notice it's there)
Uses only one AAA battery, for 20 hours play.
Specifications
Power output : 70mW (32N) load) 12mW (300N) load)
Frequency response : 10Hz-40KHz
S/N : b %90 dB
Distortion : < 0.05% (10mW)
Earphone impedance : 16N)-300N)
Power supply : 1x AAA battery
Dimension : 55x23x14.5 mm
Weight : 11 g
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