Allison Music Wagga
CODE DRUMHEADS 4" PORT HOLE - WHITE
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Code Bass Drum Port Hole Reinforcement Ring – 4” (White)
The Code 4” Bass Drum Port Hole Reinforcement Ring is designed to protect and reinforce your bass drum resonant head when adding a microphone port. It ensures a clean, durable cutout while helping extend the life of your drum head.
Made in the UK from compressed UPVC foam board, this ring provides reliable structural support around the port hole, reducing the risk of tearing or splitting over time. The self-adhesive backing allows for quick and hassle-free installation.
A 4” port size is ideal for controlled airflow and focused projection, while still allowing convenient microphone placement for live or studio use.
Key Features
- 4” bass drum port hole reinforcement ring
- Compressed UPVC foam board construction
- Self-adhesive for easy installation
- Reinforces and protects resonant head cutout
- Supports improved projection and mic positioning
- Clean, professional finish
- Colour: White
Additional Info
- Also available in black
- Available in other sizes (approx. 4”–6”)
Summary
A compact and effective solution for adding a smaller mic port, offering durability, clean presentation, and improved bass drum functionality.

