J-DEAL NX1 Portable Earphone Amplifier Black

The J-DEALNX1 has been designed for MP3/MP4/mobile phone/computer that can not get best effect of high impedance from the headset due to the low power to improve the power and sound quality. 0.000015% Distortion * Splendid combination of Amplifier * The topping NX-1 use high performance chips * amplification and can bead to reach the extreme distortion degree index of 0.000015% almost zero distortion. Classical designed circuit * Op-amp circuit still adopted the mature classic op-amp +buffer design. * The best balance between high quality and reliable lasting durability. * high frequency low resistance capacitance, very low loss and resistance * NX-1 voice is as brilliant as Steinway piano which is with 50 years history. Innovation Power Supply Design * USB intelligent charging. * 1000mAh large-capacity lithium polymer battery makes the battery life can reach max 4 hours. * Full play to the op-amp and guarantee the good performance. * Drive high impedance headphones with enough dynamic level range. * Can adapt to the charge output of computer USB port and variety of Plugs. * Automatically adjust the suitable charging current. * Only need 1 hour if charging via 2A supply. Humanized Function Indicators * With Power LED & Charge LED indicator. * The overall thickness less than 13mm. * Upgrade with gain control and bass boots functions to perfectly match with different resistance and sensitivity headphones. Package Content 1 x NX1 Earphone Amplifier 1 x Audio Cable 1 x USB Charge cable 2 x Silicone Band 5 x Velcro