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

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

Voltage: 5V SNR: grter than or equal to116db Distortion: 0.001 Output power: 16ohm 2000mW Load Impedance: 16-600ohm Frequency Range: 20Hz-20kHz(+-3db) Item Size: 10*6.2*1.5cm / 3.94*2.44*0.59in Package Size: 13*8*4cm / 5.12*3.15*1.57in Package Weight: 132g / 4.66oz