STK402-950 Five Channel x 30W Amplifier Board

STK IC Stereo / Bridge Mono Driver Board

STK IC Stereo Driver Board for STK4141 or 4191 or 4231 IC from Maxwin Brand (Size: 90mm x 38mm)

STK4231 IC Bridge Mono Driver Board

STK IC 5.1 Driver Board with Onboard Power Supply & Speaker Protection Section

STK 5.1 Amplifier Board with STK4141 for FL, FR, SL,SR & STK4191 for CEN & Subwoofer Channel

STK4191 IC based 5.1 Amplifier Board with Onboard Power Supply & Speaker Protection