KG-5230 Subwoofer Amplifier 300W @ 4 Ohms
KGB-7150 Class D Bi-Amplifier 100W+35W  @ 4 Ohms
KGND-52100-SP Class D Subwoofer Amplifier 1000W @ 4 Ohms
KG-3060 2.1 Amplifier 15Wx2+35W @ 4 Ohms
KGD-2212A Class D Multi Channel Amplifier