Magnadyne Wr40B Waterproof Marine & Hot Tub Speakers Part Manufacturer: Magnadyne; Part Number: WR40B; UPC: 783855040888; Boat Manufacturer: Carver Yachts; Part Number: 7335505 Manufacturer Size: 5"; Overall Dimensions: 6" Dia. x 2 1/4" D; Cutout: 4 1/4" Dia. Connections: (2) single male spades; Mounts: (4) 3/16" Dia. mounting holes Electrical: 25W / 4 ohms Sold as seen in pictures; Note every computer shows colors differently; All measurements are approximate; Hardware and instruction/installation manual not included