Feature

●This supports Bluetooth compatible 5.0 receivers with preamp, base crossover processing
●Base, left and right channel volume adjustment, treble adjustment, total volume potentiometer control 2.1 amp board
●DC Power Supply: 12-24V Power Supply, Max Support 50W(Left Channel)+50W(Right Channel)+100W(Base Channel)3 Channel Output
●As a core that uses high-performance digital amplifier chips, it performs parallel bridge subwoofer output, left and right channel output
●Wide working voltage, power saving design, efficient up to 90% Excellent performance switching power supply, laptop switching power supply, charging bottle, or car power supply

[a]



[b]



[c]




Description

Function Switch Instructions
1. Turn on the default Bluetooth compatible mode
2. When Bluetooth is disconnected, the single press switch can be switched to input mode.
3. Press the Bluetooth playback status, the short switch to PAUSE / PLAY.

Specifications:
Voltage Range: DC 11-25V
Subwoofer frequency range: 20Hz - 200Hz
Bluetooth reception distance: > 8 meters
Input sensitivity: 600-800mV
Frequency Response Range: 20Hz - 20kHz
Speaker Impedance: Left and Right Channel Speaker: 4-8 Ohm
Base Speaker Impedance: 2-8 Ohm
Material: Metal and plastic
Size: Approx. 4.0 x 4.72 inches (101 x 120 mm).
Color: as shown in the picture
Optional Style: Bluetooth Compatible/Bluetooth Compatible/Without Shell
Quantity: 1 set

Note:
No retail package.
Please allow 0-1cm error due to manual measurement. PLS Make sure you dont mind before you bid.
Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

Package included:
Type A: 1 x Bluetooth subwoofer amplifier board
Also
Type B: 1 x Subwoofer Amplifier Board
Also
Type C: 1 x shell
(Other accessories demo in the picture is not included. )