This headphone amplifier is designed to improve the sound quality and volume of any portable audio source such as MP3 players, iPods and personal media players. The headphone amplifier guarantees superior audio performance and a long lifespan. It features an ultra compact and lightweight casing for easy portability.

• Output power: 150mW (16Ω loaded), 16mW (300Ω loaded).
• SNR: ≥95dB.
• Distortion: ＜0.009% (10mW).
• Frequency response: 10Hz-100KHz.
• Headset impedance: 16Ω-300Ω.
• USB port power supply: DC 5V/500mA.
• Power supply mode: built-in rechargeable lithium battery.
• Weight: 16g.
• Easy to carry.
• New power amplifier circuit.
• High SNR.
• Low distortion.
• Adopt positive and negative power supply.
• Electronic volume control.
• Key lock function.
• Built-in rechargeable lithium battery.
• Working time: above 10 hours.
• Built-in three types of EQ option.
• Standard mini USB connector.
• Removable transparent back splint.