1. Connect the power supply to the amplifier firstly and then plug it into the socket to
avoid generating electric sparks.
2. Wireless Input
● Correctly connect passive speakers to the amplifier output with high-quality cables.
●
Long press the power button 2S to turn it on, the indicator will be flashing blue(BT mode).
● Turn on your audio source’s Bluetooth function, search and click to connect. Blue
indicator will be always-on after successful connection.
3. Wired Input
● Correctly connect your audio source to the amp input with high-quality AUX cable,
and connect passive speakers to the amp output.
● Long press the power button 2S to turn it on, and the indicator will be steady on
green(AUX mode).
4. Then through buttonsyou can adjust the volume, play or pause music.
1. Please connect the power supply to the amplifier firstly and then plug it into the
socket to avoid electric sparks but this condiction is normal and safe and no harm
to the amp.
2. Default comes with power supply( 12V/5A Max Output 60W), it is enough to drive
most home speakers. And speakers with bigger power please change larger power
supply(DC 9-24V).
3. When plug in AUX cable, the blue indicator(BT mode) will turn green(AUX mode),
it will default select AUX input. If you want Bluetooth input, please plug out AUX cable.
HOW TO USE
WARM TIPS
Douk Audio TA-21 Mini
Bluetooth 5.0 Digital Amplifier
Nobsound
User Manual
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