down at the bottom it says "Additional information Regarding international customers: -Yamaha audio, video products are only sold in Uninted States"
so i assume that it is made by yamaha
1977 Cherokee ChiefEdelbrock 1406, 33X12.50, front 1.5 inch shackle lift. AMC 360, th400 Quadra-Trac
2002 wrangler, stock 4.0, auto, 33X12.50 maxis buckshot, AEV Highline Body kit, Ford 9 inch rear end, 4" full traction lift.