Amplificatore per cuffie HiFi BASS 16-600Ω ricaricabile con ingresso/uscita AUX da 3,5 mm e controllo del volume per telefoni

16-600Ω Earphone Amp HiFi BASS Headphone Amplifier Rechargeable 3.5mm AUX Input Output With Volume Control For Phones Computers 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 used to improve the volume and sound quality of headphones. Features: 100% Brand New And High Quality Built-in high capacity battery Support charging over voltage protection Support 16~600 Ω impedance earphone Support output volume adjustment and bass adjustment Support one 3.5mm headphone port and one 3.5mm input port Type-c port for charging Aluminum alloy material, full of texture Product Specifications: Input port.......................................................................3.5mm(TRS) Headphone port............................................................3.5mm(TRS) Charging port............................................................................Type-c Built-in battery................................................................3.7V/1400mA Charging voltage................................................................5V/500mA Standby power...........................................................................12mA Maximum working current..........................................................55mA Duration..............................................................................≥24 hours 16Ωheaphone power ................................................................48mW 32Ωheaphone power.................................................................62mW 150Ωheaphone power...............................................................30mW 300Ωheaphone power...............................................................18mW 600Ωheaphone power...............................................................10mW Maximum output Vp-p..............................................................8.2Vp-p THD............................................................................................0.02% Signal to noise ratio...................................................................100db Frequency response......................................................20hz～20Khz Cross talk...................................................................................100db Sound balance............................................................................0.3db Bare size..............................................................104.5x63.5x16.5mm Bare weight...............................................................................152.5g Working environment temperature...................................-20 to +60℃ Shell material...............................................................Aluminum Alloy Connection and Operation: NOTE：When the battery is low, the sound will be distorted ,the power indicator will not light up when battery is zero. Please charge in time 1.Connect line in port of HIFI headphone amplifier to devices such as PC,smartphone and game console via 3.5mm audio cable. 2.Connect to line out port of HIFI headphone amplifier to headphone or sound system via 3.5mm audio cable. 3.Switch power adapter to “on” position when using 4.Adjust the volume as you like Package Include: 1 X HIFI Headphone Amplifier 1 X 3.5mm audio cable 1 X Charging cable 1 X User Manual Welcome to Purchase in Our Store. We usually arrange shipment within 48 hours after Aliexpress.com's audit of you orders. Some times, the goods are short of stock, a couple of more days may be needed. Any way, we will ship out your order within the time we declare on our store. Regarding Shipping Methods: If you want to get the goods very fast, please kindly choose Express Shipping Way(DHL/FedEx/UPS/TNT/EMS/E-EMS); If you received an incorrect, damaged, defective or not as described, please always contact us first, we will do our best to resolve the issues you mentioned. We value our customers very much. Please give us the opportunity to help resolve your issues, in case you have concerns or problems with your order. Customer satisfaction is most important to us. Your five stars positive feedback will be highly appreciated. Negative feedback does not solve anything and will badly affect our store, if there is any question, please just feel free to let us know, we are always willing to work things out, thanks a million for your attention