Portable Headphone Amplifier, Heavy Bass Without Low Noise HiFi Ear Player, AUX Audio Adjustment

Portable Headphone Amplifier, Heavy Bass Without Low Noise HiFi Ear Player, AUX Audio Adjustment Product features: Hifi headphone amplifier, easy to carry, can output extraordinary sound without distortion. Current service time: more than 5 hours, load impedance: 16-300 Ω. The two-stage gain enhances the signal input to the amplifier circuit for optimal headphone performance. 3.5mm aux input and output, signal to noise > 120dB and distortion of 0.004%, making the output not louder. Compatible with MP3, MP4, mobile phones, laptops, 3.5mm audio and various digital devices. The headphone amplifier has been used for more than 15 hours Small portable headphone amplifier, easy to carry High / low gain for optimal headset performance. Include： Host *1, USB power supply cable *1, audio cable *1, manual *1

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