Descriptions:
Use DC12 to 24 v power supply, power saving type design, efficiency is as high as above 90%.
The biggest can support 100 w Bass sound channel output
Working voltage range: DC 9 to 25 v (current 2 -3A above, if you want to power Big, advice 19-24v 4A above).
Frequency response range: Input: 20 hz - 20 KHZ, output: 20 hz - 180 hz,
Audio input sensitivity: 500 mv.
Speaker impedance: Bass speaker impedance: 2-8 ohmNote:
The output power is related to the power supply voltage, the horn impedance, and the input size of the audio source. Usually the power supply voltage is higher and the supported output power will be larger.
Speakers with different impedances can support different output powers. Usually, the power of the speakers is smaller and easier to achieve.The speaker output "+" or "-" is independent, not the common output, can not be connected to each other, and can not be connected to the ground, such as the sound will be abnormal after the connection. The speaker output "+" or "-" should be connected to the "+" or "-" on the speaker. If one of the errors is connected, the hearing effect will be affected.
Speaker wiring: If you find that the sound effect do not match with the original speaker's sound "+" "-" , you can "+" "-" reverse connection.
Recommended wiring method (important):
1. Check the instructions of the web page before use. >>2. Connect the speaker cable >> 3. Connect the audio input cable >> 4. Confirm the wiring is correct, and finally plug in the power! To change the wiring or move the board, you must remove the power before operating. Incorrect use, short circuit between solder joints, or short-circuit between parts can cause chip damage.
| Voltage |
Low channel output |
| Speaker impedance (Q) |
Output power (W) |
Maximum output power (W) |
| 12V |
8 |
10 |
>10 |
| 4 |
>19 |
>25 |
| 3 |
>22 |
>35 |
| 2 |
>30 |
>40 |
| 15V |
8 |
>15 |
>20 |
| 4 |
>29 |
>40 |
| 3 |
>39 |
>50 |
| 2 |
>50 |
>60 |
| 19V |
8 |
>24 |
>28 |
| 4 |
>48 |
>70 |
| 3 |
>60 |
>80 |
| 2 |
>75 |
>90 |
| 24V |
8 |
>38 |
>40 |
| 4 |
>75 |
>95 |
| 2-3 |
>95 |
>100 |
Package includes:
1 x Digital Amplifier Board
1 x Cable
