DS18 CF8 8 Speaker Spacer Mounting Ring Starboard – Heavy-Duty Marine Boat Extension Ring Pair

Gain essential mounting depth for your marine speakers with the DS18 CF8 8 speaker spacer mounting ring with King Starboard ST. These custom spacer rings are built specifically for 8-inch DS18 CF8 series speakers. They provide critical back-spacing to prevent rear speaker magnets from hitting tight hull walls or internal wiring.

Each ring is precision CNC-milled in the USA from heavy-duty King Starboard polymer. This high-density material easily withstands extreme ocean environments. It resists direct sunlight, saltwater corrosion, and high humidity without swelling or cracking. Installing this spacer pair ensures a flush, vibration-free seal. It enhances sound quality while giving your boat console or gunnels a clean, factory-style finish.

Key Features

• Custom DS18 CF8 Alignment: Precision-cut to fit the exact frame outline and bolt pattern of DS18 CF8 8″ speakers.

• 100% Marine-Grade King Starboard: High-density polymer that will not rot, swell, peel, or absorb moisture.

• Solves Mounting Depth Issues: Adds essential forward clearance to prevent speaker magnets from striking shallow bulkheads.

• Vibration-Dampening Build: Dense Starboard construction minimizes fiberglass flex and resonance for clearer sound.

• Custom Edge and Color Options: Available in marine white or black with smooth rounded edge profiles for an integrated look.

Custom DS18 CF8 Compatibility

These spacer rings are machined specifically for the DS18 CF8 8-inch driver frame. The exact cutout dimensions fit the speaker chassis without extra modification. This custom alignment guarantees a flush fit. It also creates a tight gasket seal that prevents air and sound leakage around the baffle.

Marine-Grade King Starboard Resilience

Crafted from UV-stabilized King Starboard, these mounting rings thrive in harsh open-water conditions. Standard wood and low-grade plastics warp or rot over time. In contrast, this durable polymer remains completely unaffected by salt spray, rain, and intense heat. Your installation stays solid season after season.

Solves Shallow Enclosure Limitations

High-output 8-inch marine speakers often require extra clearance behind the mounting surface. These adapter rings extend the driver forward into the open cabin space. This simple step protects speaker components from hitting internal fuel tanks, wiring runs, or fiberglass walls.

Acoustic Sealing & Vibration Reduction

Large 8-inch marine speakers generate heavy mid-bass vibrations during playback. Unreinforced fiberglass panels can flex and rattle under this pressure. The solid King Starboard material acts as a rigid buffer. It dampens panel vibration and anchors the speaker for tighter, punchier bass output.

Upgrade Your Marine Audio Setup Today

Stop struggling with shallow mounting spaces on your vessel. Order your pair of DS18 CF8 8 speaker spacer mounting ring Starboard adapters today. Enjoy precise driver fitment, total weatherproofing, and a sleek, professional finish on the water.

DS18-CF8 8″Speaker Spacer Mounting Ring Starboard

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.

What your getting and how to order- 1 PAIR

Frame Outer Diameter 8.58″
Bolt Hole Circle Diameter (6) 7.74″
Mounting Hole Diameter 7.09″