Description

Parameter:
Dimension:3.98*3.94*1.18in /101*100*30mm
Operating voltage range: DC 11-25V (current 3-4A/19-24V/4-5A, the 20-24V / 8-9A above)
Bluetooth reception distance: 8m
Audio input sensitivity: 600-800mV
Frequency response range: 20Hz-20KHz
Speaker Impedance: Left and right channel speakers: 4Ω-8Ω，Bass speaker: 2Ω-8Ω
Maximum output power: 50W(left channel) +50W(right channel) +100W (subwoofer)

Operation instruction:
1.The power can be accessed from DC socket 1, or socket 2.
2.Audio can be inputted to the interface via the 3.5mm socket 1, or 3P socket 2, such as PC and MP3 player.
3.Bass volume potentiometer can adjust the bass out put volume on itself.
4.Left and right channel volume potentiometer can adjust the left and right channel output volume at the same time.
5.Treble potentiometer can adjust the treble gain output of the left and right channel.
6.Switch / total volume potentiometer with a switch, can turn off the power amplifier and adjust the bass volume as well as the left and right channel output volume.
Precautions:
1.Board is the use of DC power supply, with positive and negative reverse protection, the positive and negative reversed is not powered.
2. The power does not allow wrong connection to the speaker output interface, which will cause damage to the amplifier chip.
3. The maximum working voltage 25V (Note: TPA3116 amplifier chip maximum operating voltage is 26V, when used not more than 26V.
4. The board is powered by DC power supply.Please use a good DC power supply.If the power supply performance is poor,hum or current sound may appear.
5. Such as the use of ordinary AC adapter power supply must be rectified and filtered before they can be connected to use.(Note: no-load voltage after rectification not more than 26V)
Package includes：
1 x TPA3116 2.1 50W+50W+100W Bluetooth Audio Amplifier Board

uniquegoods TPA3116 DC 12-24V Bluetooth 4.2 Digital Audio Amplifier Board High-Power 2.1 Super BASS Speaker

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$29.85

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$31.67

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Product review & video

all right so got myself a small one going and the latest dam has arrived this was insanely well packaged so this box was actually wrapped in like two or three layers of bubble wrap and inside beyond is wrapped in bubble wrap so let me just get this box set up and we'll see how perform all right and I am back so just a quick quick recap we're talking about this amp over here and so it's from fantastic seller and I did go so this is the most expensive one I have got up to narrow it to 26 zeros and up to now I had the first one was 11 and the next one was I believe 30 but that was bought here in Germany so I know anyway so this one 26 from China so this would equate to like 50 if had it been in stock in Germany in this so first of all a quick quick side note I did did want the four pot version I did get the five pot version I don't know it's given how well this performs I am probably not g