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D10 12V 24V Subwoofer Digital Power Amplifier Board
Product Specifications
Product Model
D10
Panel Material
Wrought Iron
Output Power
30-120W
Support Voltage
220V/12V/24V
Color Classification
Black Craft
Bluetooth Version
5.0
Product Size
175×80×50mm
Product Weight
210g
Key Features
Supports MP3 playback from TF card and USB drive
Independent adjustment of treble, bass, and main volume
Working voltage: AC 220V or DC 12-24V
AUX audio input for computer, mobile phone, and other devices
Digital power amplifier with 400W crest power, drives 4 ohm and 100 magnetic speakers
Dual microphone input with adjustable reverberation
Built-in Bluetooth wireless receiver and FM radio
Single song loop playback function
Double circuit board design with quality materials, no heat during operation
Bluetooth Connection
Press "MODE" key to switch to Bluetooth state
Turn on mobile phone Bluetooth and search for devices
Select the product's Bluetooth name to connect
Once connected, you can play music from your mobile device
Note: If prompted for PIN code, enter "0000" (some phones support easy pairing without PIN)
Radio Operation
Connect the radio antenna
Press MODE button to switch to radio state
Press play button to search all channels (automatically saves stations)
Use previous/next track buttons to switch between stations
Power Connection
DC 12V/24V interface: Connect to DC 12V or 24V with current requirement ≥3A (battery or power adapter)
AC 100-240V interface: Connect to AC power supply using figure 8 power cord
Important: Do not touch circuit board after power-on to avoid electric shock. Only use one power connection method at a time.
Speaker Connection
Subwoofer: Connect speaker with approximately 100 magnet or 100W speaker
Tweeter: Connect 30W tweeter (add capacitor when connecting tweeter)
Suitable for 8-12 inch speakers
Important Usage Notes
Always start with small master volume before testing. Gradually increase volume after powering on. If sound becomes intermittent, hoarse, or distorted while increasing volume, this indicates speaker and amplifier mismatch. Reduce volume or change speakers.
