xDuoo XQ-20 is a portable headphone amplifier that features fashionable appearance, big power and high-quality voice output. Being able to be connected with PC, mobile phone and other 3.5mm audio devices for improving sound quality.
Features:
* Able to drive various types of earphones from 8 ohms (for low-impedance earbuds) to 300 ohms (for high-impedance headphones).
* Rechargeable 950mAh built-in lithium polymer battery lasts up to 9 hours once being fully charged.
* Adopts rail-to-rail amplifier chip, making it have largest dynamic scope and less distortion.
* Supports 2 setting gain and bass boost on / off. Set gain according to the headphones.
* Aluminum-shielded case prevents external interference noise from the audio device.
* Fashionable appearance, lightweight and portable, easy to carry anywhere.
Specification:
Brand Name: xDuoo
Model Number: XQ-20
Output Power: 125mW (32Ω)
Frequency Response: 10Hz-22KHz
Adapted headphone impedance: 8-300Ω
THD+N: 0.0001% （1KHz）
Gain: +3/+6dB
S/N: 114dB
Battery Capacity: 4.2V 950mAh
Playback time: ≥9H
Charging time: ＜4H
Color: Black
Item Size: 9.5 * 5.2 * 1.2cm / 3.74 * 2.04 * 0.47in
Item Weight: 85g / 2.99oz
Package Size: 13.5 * 9.9 * 4.2cm / 5.31 * 3.89 * 1.65in
Package Weight: 229g / 8.10oz
Package List:
1 * Headphone Amplifier
1 * USB Cable
1 * 3.5mm Audio Cable
1 * User Manual (English / Chinese)