Douk Audio Bluetooth User manual

Bluetooth Amplifier USB Music Player

How to use

1. Connect the speakers to the output of amplifier.

2. Wired input:

Connect the audio source to the RCA input, or insert a U-disk to the USB

socket.

Wireless input:

Turn on Bluetooth on your phone or tablet, search and click to connect.

3. Connect the power adapter and then plug the power cable into the

socket.

4. Press the button to power on and adjust volume, bass and treble

according to your preference and enjoy music.

5. After use, left rotate the knob to power off and then disconnect the

power adapter.

Parameters

Audio input: Bluetooth/USB/Stereo RCA

Audio output: speaker socket

Max U-disk storage: 128G

Working voltage DC 12-24V/3A-10A

Max output power: 50W+50W

Power consumption: ≤100w

Frequency response: 22HZ-20KHZ

Load impedance: 4ohms - 16 ohms

Signal to noise ratio: 95db

Dimensions(L*W*H): 148*98.5*42mm

Packing List

1*Digital Amplifier

1*Power Adapter(Optional)

1*Remote Control(Without battery)

1*User Manual

Contact information

Address: Room 1329, Wang Cheng Building, Long Guan street, Long

Hua new District, Shenzhen, Guang Dong, China

Contact: LIU CHENXI

Tel: +86-177-0402-8602

Email: nobsound@doukaudio.com