30W 40W Stereo Bluetooth Receiver Power Amplifier Dual-Channel Board 12V 24V High Power Digital Module for DIY XY-P40W
SPECIFICATIONS
Adapting Horn Power: 40W-200W
Brand Name: sincere&promise
Choice: yes
Condition: New
Dissipation Power: 4-8Ω
High-concerned chemical: none
Origin: Mainland China
Supply Voltage: DC 5-24V
Type: Voltage Regulator
semi_Choice: yes

Product Characteristics
Product Name |
Bluetooth stereo audio power amplifier board |
Product Model |
XY-P40W |
Supply voltage |
DC: 5~24V |
Bluetooth version |
5.0 |
Connect distance |
15meters(visible) |
Output mode |
stereo |
Output power(@1KHz) |
20W*2 @12V 4Ω |
30W*2 @16V 4Ω | |
30W*2 @21V 8Ω | |
40W*2 @24V 8Ω | |
Speaker selected(30W~150W) |
4Ω(5~16Vsupply) |
8Ω(5~24V supply) | |
protection |
Power reverse protection |
Short circuit protection | |
Thermal protection |
NOTE: If supply power is low and output power is big, noise maybe caused, turn down the volume and a bigger supply will be better.
Application circuit

Operation specification
Supply the module, the blue LED is on, and it goes intoBluetooth mode;Waiting for pairing afterplaying the audio tone; Turn on phone Bluetooth,“XY-P40W”will be searched and display;Click the
“XY-P40W”,it will connect to the board. It connects successfully with an audio tone; After this you can play the music. The power amplifier board will prepare for the next pairing with an audio tone, When the Bluetooth is disconnected.
Connecting as the following picture.

NOTE:
1、 Keep 2 meters away from router to avoid WIFI interference
2、 5~24VDC is recommended;upper than 26V,it will be damaged.
3、 Driving4Ωload, power supply must be under16V;and driving 8Ω load, supply must be under 24V.
4、 The supply current must be 2A at least.
5、 The line connecting speaker with module should be within one meter.
6、 ESD protection, please release ESD on your hands before you contact the module.
7、 40W and upper power speakers is recommended.
Fault Check
1、 Check the power supply if the LED is not bright.
2、 If the LED is on, but Bluetooth device “XY-P40W”is not searched, check if the router is in the near, and keep away from the router.
3、 The speaker tapped when power on.
1) Check that the speaker load is so small that the current through the speaker is enough for chip goes into DC protection. Try to lower the supply and restart.
2) Check that if the power supply is low that cannot drive the speaker. 2A power supply current is ok.
4、 Floor noise in speaker when playing
1) Play another music to verify the noise is not related with music itself.
2) Replace the speaker to check If the noise is caused by speaker itself.
3) Replace the power supply to check If the noise is caused by unstable power.
5、 It plays intermittently
1) Check if the temperature of the board is high, and it goes into thermal protection.
2) Check if the Bluetooth is unstable, adjust the angle between the connected device; And Check if a WIFI source is in the near.










- Standard Shipping: Standard Shipping (12–18 Business Days)
- Express Shipping: Expedited Shipping (5–9 Business Days)
- Free Shipping: Orders over $199 qualify automatically
- Tracking: Full tracking number provided for all orders
- Returns: 30-day hassle-free return window
- Condition: Items must be unused and in original packaging
- Refund: Full refund processed within 3-5 business days
- Factory Direct: ISO/TS 16949 certified manufacturer
- Quality: 100% electrical continuity tested before shipment
- Experience: 15+ years in automotive connector industry
- Support: Professional technical support available
You may also like
Blog posts
Title
Subscribe to our emails
Be the first to know about new collections and special offers.