Price review AIYIMA DC12V-24V 2.1 Channel TPA3116 Subwoofer Amplifier Board High Power BT Audio Amplifier Board DIY (BT Amp with Case)
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| Compatible Devices | Speakers |
| Brand | AOSHIKE |
| Wattage | 100 watts |
| Input Voltage | 24 Volts |
| Color | Blue |
| Power Source | DC |
| Item Weight | 150 Grams |
| Connector Gender | Female-to-Male |
| Current Rating | 3 Amps, 4 Amps |
| Frequency Range | 26-160HZ |
- 100W Subwoofer Amplifier Board;Frequency response range: input: 20 hz - 20 KHZ, output: 20 hz - 180 hz
- Operating voltage range: DC 12-24V(maximum voltage is no more than 24V); built-in TPA3116 amplifier chip;This is a pre-amplifier, bass frequency processing, with bass volume potentiometer control of the bass amplifier board.
- DC 12-24V power supply(Package without power adapter), wide operating voltage, power-saving design, more than 90% power efficiency. Maximum support 100W (Bass) bass channel output,Without Power Switch Control
- Audio input sensitivity: 500 mv;Speaker impedance: bass speaker impedance: 2-8 ohm;You can use a good switching power supply adapter, laptop switching power supply
Product Description
Please look carefully,Choose the right speaker,Then connect correctly according to your needs!
Switch use:
Can choose different sounds according to individual prefer, only effect on bass of the left and right channel.
Pull switch inward, increase the left and right channel bass to full frequency output.
If the bass volume is very loud, it may not be obvious effect.
Because the bass channel output has included these bass,and the bass volume is much louder than the volume of the left and right channels.
Note: Bluetooth / AUX Audio input
If you want Aux input,pls disconnected the bluetooth,Press down the Total Volume button to choose the working modes！
Package list:
1Pc 2.1 Channel Bluetooth Amplifier board
Precautions for use:
1. Do not use cheap audio signal lines These lines are not shielded by themselves. High-frequency noise will be introduced.
2. The correct order of use is to connect the power supply(Can use 19-24V laptop power) and the power amplifier first, and then let the power supply be connected to the mains Power socket .
The wrong way is to first connect the laptop power to the mains mains power socket and then connect the laptop plug to the digital amplifier.
3.The power supply voltage is higher and the relative power will be larger. The speakers with different impedances will have different output power.But need to choose the reasonable correct speaker and power supply,thanks!
More technical support,pls ask me:www.amazon.com/hz/help/contact/A3BG62S1F23IH5# .Or leave any of your instant messaging account and I'll contact you.thanks!
 |  |  |  |  |  | |
|---|---|---|---|---|---|---|
| 2.1 Bluetooth Amplifier | 2.0 Power Amplifier | 50WX4 Bluetooth Power Amplifier | 100W Subwoofer Amplifier | 300W Subwoofer Amplifier | 100W+100W Tube Amplifier | |
| Bluetooth | CSR Bluetooth4.2 | Bluetooth 5.0 | NO | NO | Bluetooth 5.1 | |
| Output power Max | 50W*2+100W | 175W+175W | 50W+50W+50W+50W | 100W | 300W | 100W+100W |
| Input | RCA, Bluetooth | AUX | Bluetooth/RCA/U-disk | RCA | RCA | Bluetooth/AUX |
| Output | Passive speaker, Passive Sub | RCA(Passive Speaker) | Passive Speaker | Passive speaker, Passive Sub | Passive speaker, Passive Sub, Active Sub | Passive Speaker |
| Input voltage | DC 12-24V | DC 18-35V | DC 12-24V | DC 12-24V | DC 24-35V | DC 24V-32V |
| Work Voltage | AC 110V - 240V | AC 110V - 240V | AC 110V - 240V | AC 110V - 240V | AC 110V - 240V | AC 110V - 240V |
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