Ocean Breeze Marine Speaker Spacer f/FUSION SG-FL772 - 7.7" Speakers - 1" - White Hull Protection The RV-100 is a 4-channel

The RV-100 is a 4-channel

Can be mounted Horizontally

Enough power to charge iPhones

ID: 1-7/8"

Ocean Breeze Marine Speaker Spacer f/FUSION SG-FL772 - 7.7" Speakers - 1" - White Hull Protection The RV-100 is a 4-channelSpeaker Spacer for FUSION SG FL772 7. 7" Speakers 1" White Don't have enough depth to install your speaker subwoofer? Problem solved these spacer rings give you that extra space needed to mount your speaker subwoofer. Specifications: Thickness 1" Edge 1 16" Round Outer Diameter 7. 75" or 197 mm Bolt Hole Diameter 6. 94" or 176 mm Mounting Hole Diameter 6. 14" or 156 mm Compatible With: SG F772SPW, SG FL772SPC and SG CL77SPC *Sold as a Pair