Sell XU09 Portable Earphone Amplifier High Fidelity Amplify Amp best price

Features: Portable, small and exquisite, easy to use and carry Compatible with high-quality, high-impedance (16 ~ 150 ohms), low-sensitivity, low-power headphones, to ensure high-quality sound Long-lasting (approx. 8 hours) rechargeable Lithium polymer battery for long journeys, multimedia work Conveniently located rotary switch for on, off and volume control Replaceable Operational Amplifier, you can enjoin different timbre styles with different op-amp collocation Specification: Color: Black Material: Steel Model: XU09 Size: 97x60x15mm Input/Output Port: 3.5mm Studio Input Lithium Battery Capacity: 2000mAh Amp Using Time: More Than 8 Hours Amp Internal Voltage: 8.3V/1A Output Power: 40Mw Impedance 16Ω Adapted Headphone Impedance: 16-150Ω SNR:>100Db THD+N: 0.0003% Package included: 1 x Headphone Amplifier 1 x USB Cable 1 x Audio Cable