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E17 ClassAA Portable Headphone Amplifier USB OTG Decoder DAC Dual Battery HIFI Audio AMP for DIY
Specification:
- LME49720
- Output tube: BC
- Decoder: AK449EQ
- With OTG decoder
- With Charger and OTG cable
- Support Android/PC system/WIN XP/7/8/10 etc, but not iOS
- Headphone load range: 16-300Ohm
- Frequency response: 10-40KHZ
- Signal to noise ratio: >108dB
- Distortion: 0.003%
- Battery life: about 15 hours
- Size: 57.5X16.5X97.5mm
- Case material: Aluminum alloy, 1.6cm
- Color: Black/white (optional, or sent randomly)
Features:
- Adopt amplifier and AA discrete transistor output mode, output tube ZTX40 550
- Low distortion LME49720
- Dual battery system, one positive battery, the othe is negative one.
- Relay protects circuit. 3*original OMRON
- Adopt Japan ALPS potentiometer to protect the right and left channel.
Note:
- When charging, can use the charger of Sumsung or other phone for 2-3h is ok. The endurance is about 15h.
- There is over-charge protection for battery. Please be off the music output when charging.
Package included:
- 1 x Headphone Amplifier
