Douk Audio Bluetooth User manual

  • Hello! I've reviewed the user manual for the DOUK AUDIO USB Music Player. This manual includes instructions for connecting speakers, using wired or wireless audio inputs, and adjusting the device's settings. It also provides technical specifications, packing list and contact information. I'm ready to answer any questions you have about the device!
  • How do I connect speakers?
    How can I connect a wired audio source?
    How can I connect wirelessly?
    What is the maximum U-disk storage?
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
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