Product Model：YS-E100H. Nano Sheild. Product Model：YS-E100L. Product Model：YS-S100L. Product Model：YS-S100H. Product Model：YS-E30H. Subwoofer (subwoofer) adapter speaker: 20W-100W/2Ω-8Ω. (left and right channel) Applicable speakers: 5W-30W/4Ω-16Ω subwoofer (subwoofer).
eBay