... 2U-3U higher selection, and 150W-1100W power area, CK series had some pursuits for faster of reaction speed higher ... protect function,production technology of SMD excellent component. Amplifier of CK series also can endure 2Ω stereo load, bridge 4Ω ... , suit for drive line array speaker system.ModelCK-800 CK-1100 Stereo Power8Ω800W1100WStereo Power4Ω1200W1800WStereo Power2Ω1600W2200WBTL 8Ω2400W3600WBTL ...