Headphone Amplifier 2.5A Power Bank 2-in-1 Super Bass Audio Earphone for iOS Android

Features: Version upgrade: dual chip design, meet for audiophile with the demand of users, can drive 200ohm HiFi headphones. PA03 Hi-Fi Headphone Amplifier offers fast charging insurance for cell phones amplifier and power bank 2 in 1 functions. Pure stable low internal resistance of the battery provides high power supply to the amplifier circuit of headphones. It shows the excellent capability of the AMP. In power bank design, it meets loading demands and improve sound quality. Built in 8000 mah large power battery, it can charge for The Iphone 6 3.5 times / for The Iphone 6 plus 2.2 times. 10 times thrust headphone, restrict distortion and noise. Bring a completely different feel. Specification: Audio rate: 130 mw (PA03) 180 mw (PA03plus) Charging rate: 94% Dynamic range: 90db Input resistance: 32 ohm Output resistance: 75 ohm (PA03) 200ohm (PA03Plus) Frequency: 15-27000Hz Signal to ratio: 90db Distortion: 0.006% Weight: 208g Battery: 8000 mah Working hours: 500 hours Charging power: 5V / 2.5A Package Included: 1 x Headphone Amplifier