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Nobsound TA-21 User Manual

Douk audio mini bluetooth 5.0 digital amplifier

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HOW TO USE
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.
WARM TIPS
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.
Douk Audio TA-21 Mini
Bluetooth 5.0 Digital Amplifier
User Manual

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Summary of Contents for Nobsound TA-21

  • Page 1 Nobsound Douk Audio TA-21 Mini Bluetooth 5.0 Digital Amplifier User Manual HOW TO USE 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.
  • Page 2 FREQUENTLY QUESTIONS Q: All cables are connected, but no sound output? A: 1. Check if the indicator is on, and turn on the power button or knob if it is not on. If the indicator is still not on after turn on the power, you can find a laptop power and connect to test whether it is the machine fault or a power failure.
  • Page 3 FRONT AND REAR PANEL Volume LED display Volume + Power button (long press) Play / pause (short press) Input indicator AUX input Volume - Blue--Bluetooth input Green--AUX input Power input: DC9V-DC24V This amplifier requires 50W power supply at minimum, its auto power-off during use means that your speaker needs high power supply to drive, please turn down the volume or change another power supply with higher output.
  • Page 4 DC9V-24V IN PARAMTERS Brand: Nobsound Model: TA-21 Audio input: 3.5mm AUX / Bluetooth Audio output: banana speaker jacks Bluetooth version: 5.0 Max output power: 100W+100W Amp IC chip: TPA3221 Matched speaker: 3''-10''/ 4-8Ω Frequency response: 80Hz-20KHz Working voltage: DC 9V-24V / 3A or above Minimum input power: 50W Dimensions(W*D*H): 90*78*23mm/3.54*3.07*0.91in...