xDuoo XQ-20 Portable Headphone Amplifier With Bass Miss Amplifier Volume Control

• Small and Thin, High Thrust. Solve the problem that your phone/player can not drive superior headphones.

• 2-Setting Gain, Bass boost ON/OFF.

• Set GAIN according to the headphones/enhance low-frequency power.

• Lower Distortion, Lower Noise.

• A professional power management chip is used to provide a +/- 5V voltage source for an efficacy chip.

• Using OP+BUF circuit architecture, large output power, strong thrust.

Specification:

• Model: XQ-20

• Power Source: DC 3.7V built-in li-polymer rechargeable battery

• Frequency response: 10Hz-22Khz

• THD+N: 0.001% (1KHz)

• Suitable Headphone Impedance: 16Ω~300Ω

• Charging time: <4H

• Output power: 125mW(32Ω load)

• Gain: +3/+6dB

• S/N: 114dB

• Playback time: ≥9H

• Size: 94*52*12mm

• Weight: 85g

Package Include:

• 1 * XQ-20 Headphone Amplifier

• 1 * Micro USB Cable

• 1 * 3.5mm to 3.5mm Audio Cable

• 1 * User Manual