Bluetooth HIFI Headphone Amplifier Headphones Amp 3.5mm HiFi Stereo Audio Out Portable Headphones Amplifiers For Earphone

Bluetooth HIFI Headphone Amplifier Headphones Amp 3.5mm HiFi Stereo Audio Out Portable Headphones Amplifiers For EarphoneNote: There are two model headphone amplifier AY127, AY132. AY127 is a headphone amplifier ,without bluetooth function. AY132 is bluetooth headphone amplifier. Other function is the same. AY127 AY132Product Introduction:     This is built-in battery portable HIFI headphone amplifier,which support charging and adjusting volume and bass.Using 3.5mm cable connect it to        your PC,smartphone and game console, etc.It can connect to Bluetooth devices.  It used to improve the volume and sound quality of headphones. Product Features:l Built-in high capacity batteryl Support charging overvoltage protectionl Support high and low impedance earphone switchl Support 16~600 Ω impedance earphonel Support output volume adjustment and bass adjustmentl Support one 3.5mm headphone port and one 3.5mm input portl Support Bluetooth connectionl Type-c port for chargingl Aluminum alloy material, full of textureProduct Specifications:Input port......................................................................3.5mm（TRS）Headphone port............................................................3.5mm（TRS）Charging port............................................................................Type-cBluetooth Version......................................................................BT 5.0Built-in battery.................................................................3.7V/1400mACharging voltage.................................................................5V/500mAStandby power............................................................................38mAMaximum working current.........................................................250mADuration................................................................................≥6 hours16Ωheaphone power .............................................................110 mW32Ωheaphone power..............................................................105 mW150Ωheaphone power..............................................................6 5mW300Ωheaphone power.............................................................35 mW600Ωheaphone power.............................................................20 mWMaximum output Vp-p.............................................................9.9Vp-pTHD+N.......................................................................................0.02%Signal to noise ratio....................................................................100dbFrequency response.......................................................20hz～20KhzCross talk...................................................................................100dbSound balance............................................................................0.3dbBare size.............................................................104.5x63.5x16.5mmBare weight.............................................................................146.5 gWorking environment temperature...................................-20 to +60℃Shell material...............................................................Aluminum AlloyPackage Content:1：HIFI Headphone Amplifier........................................................1 pcs2：3.5mm Audio Cable..................................................................1 pcs3：Charging Cable........................................................................1 pcs4：User Manual.............................................................................1 pcs