Features:<br>1. increase bass output "Blue Colorful Display"<br>2. volume control mode without welding， directly pluggable jumperscan be achieved， independent Bass volume control<br>4，. On the basis of original increased the single output of 5 v to12 v power supply， to meet the world variety of MP3， MP5 Decodingboard power supply (Note: When connected MP5 three terminal blocksmust be added heatsink).<br>Specifications:<br>1. The main channel: TDA2030A X 2 Power: 18W +18 W speakers with4-6 inches， 4-8ohm 15-30W full-range speaker<br>2. Subwoofer: TDA2030A X 1 Power: 30W recommend using 4-8 inch，4-8ohm 20-60W subwoofer<br>3. Voltage: AC 12V AC dual power 30W2A above recommended AC12Vtransformer.<br>4. Output Impedance :4-16 ohm.<br>5. Cable: motherboard and pitch plate with 30CM long 6P cableconnection.<br>Note:<br>1. The amplifier board with dual power supply， can not be used inthe car.<br>2. subwoofer box and subwoofer power should be large enough<br>3. subwoofer cabinets is recommended to install the appropriatesound-absorbing cotton.<br><br><img src="http://img.sellercube.com/UploadFile/P0/SKU315889/19e5b7d7-e91f-15ff-b2ac-0100e32b5cef.jpg"style="width: 800px; height: 800px;" alt="image"><br><img src="http://img.sellercube.com/UploadFile/P1001/SKU315889/17e2c023-db86-d83d-a5d5-eda6aed95c05.jpg"style="width: 800px; height: 800px;" alt="image"><br><img src="http://img.sellercube.com/UploadFile/P1001/SKU315889/5af07f8a-c65c-6602-7f67-396603ab1291.jpg"style="width: 800px; height: 800px;" alt="image"><br><img src="http://img.sellercube.com/UploadFile/P1001/SKU315889/7663f058-ecd8-d7da-ff54-ef7f2089e4b9.jpg"style="width: 800px; height: 800px;" alt="image"><br><img src="http://img.sellercube.com/UploadFile/P1001/SKU315889/998218e5-c011-4468-4534-88d9ffa5a235.jpg"style="width: 800px; height: 800px;" alt="image"><br><br><br>