description

This HiFi headphone amplifier design is typically used to drive a headphone with relatively high impedance. You can connect various audio players and mobile phones to process, amplify and output audio signals, which can drive all kinds of headphones. Characteristics: 1. 16-300Ω HiFi Headphone Amplifier, it is delicate, compact, lightweight and portable that can be carried conveniently. 2. 3.5mm Auxiliary input and output, SNR>116dB and THD + N 0.0004%, offer the possibility of outputting not only louder sound, but clearer and more real stereo sound without distortion. 3. High/Low Gain and Bass Boost switch for optimal headphone performance. 4. Aluminum matte surface, fashionable design provides you a comfortable hand feeling, while aluminum matte surface makes it durable. 5. Built-in Power Bank, it adopts a rechargeable lithium battery with a capacity of 1000mAh, which allows it to keep working more than 5 hours. 6. Universal compatibility, can be remarkably compatible with various digital devices Specifications: - Maximum output power: 130mw 32Ω - Load impedance: 16-300Ω - Operating voltage: 3.7V - 4.2V DC - Charging voltage: 5V DC - Frequency response: 20Hz-20kHz (±3dB) - Battery capacity: 1000mAh (3.7V) lithium battery - Amplifier usage time: more than 15 hours - Distortion: 0.004% - SNR: ≥116dB - Dimensions (length x width x height): 135x62x31mm - Net weight: 85g Box contents: 1x HiFi Amplifier with volume 1x audio cable Jack 3.5mm to Jack 3.5mm nylon, 1m 1x audio cable 10cm, Jack 3.5mm angled to Jack 3.5mm angled 1x USB-A to Micro USB power cable