Specification :

Offering amplifiers with different power , different parameters, different standard for different countries. Can do all certifications for different places per customer's requirement. Do both OEM and ODM. Best quality with reasonable prices. Welcome customer from all over the world to contact us if you have any interesting.
We are going to sell the 4 models in the picture with stock quantity by costing down. Specifications as below,

Model No.: Sub C2
* Subwoofer amplifier.
* With AC power supply 115V.
* With 50W power and 4Ohm.
* ETL certification.
* Without any logo.
* Panel size is 166mm x 195mm.
* Top quality but cheapest price.

Model No.:Sub C4
* Subwoofer amplifier.
* With AC power supply 115V.
* With 100W power and 4Ohm.
* ETL certification.
* Without any logo.
* Panel size is 203mm x 254mm.
* Top quality but cheapest price.

Model No.: Sub C6
* Subwoofer amplifier.
* With AC power supply 115V.
* With 150W power and 4Ohm.
* ETL certification.
* Without any logo.
* Panel size is 155mm x 255mm.
* Top quality but cheapest price.

Model No.:Sub 150
* Subwoofer amplifier.
* With AC power supply 115V.
* With 250W power and 4ohm.
* With CE/UL certification.
* With M&K printing logo.
* Panel size is 265mm x 265mm.
* Top quality but cheapest price.