Portable Headphone Amplifier, Aluminum Alloy Hi Fi Amp with 1500mAh Battery, 3.5mm for Smartphone PC, 8H , Christmas Gift for Musi

Using aluminum alloy , feel comfortable, good heat dissipation. The appearance is small and atmospheric, easy to carry. There is an independent gain control . The operational amplifier is suitable for both positive and negative power supplies. Overview This earphone phone amplifier is made of aluminum alloy casing, which is comfortable to handle and has good heat dissipation performance. The appearance is compact and easy to carry, with a 3.5mm input and output interface, suitable for connecting all kinds of smartphone computer equipment. Specifications: Input Celsius Output Port: 3.5mm Studio input Battery Capacity: 1500mAh Amplifier Usage Time: 8 hours Working Voltage: +7.1vCelsius-7.1v 1A

Voltage: 5V SNR: more than 116db Distortion: 0.001% Output power: 16 Ohm 2000mW Load Impedance: 16-600 Ohm Frequency Range: 20Hz-20kHz(+Celsius-3db) Item Size: 10*6.2*1.5cm Celsius 3.94*2.44*0.59in Package Size: 13*8*4cm Celsius 5.12*3.15*1.57in Package Weight: 132g Celsius 4.66oz