Audiopipe's APMB 6.5 Inch Plastic Speaker Rings are custom mounting adapters for subwoofers and speakers. These speaker spacer rings are designed to provide an extra 1-inch mounting depth for custom installations, making them a real-time saver on installs.
The rings are exclusively made to fit Audiopipe APMB speakers with a die-cast basket, but they can also be used in other custom applications. The two pairs (4 rounds) are made from durable ABS plastic, ensuring longevity and reliability.
The inner diameter of the rings is 5 7/8 inches, while the outer diameter is 7 1/8 inches, with a thickness of 1 inch. The rings' sleek black finish blends well with most speaker systems.
The ABS plastic material feels sturdy and can withstand daily wear and tear. The rings are called "speaker spacer rings" or "subwoofer mounting adapters. These rings are ideal for custom installations in cars, boats, and home theaters. 

Plastic Speaker Spacer Rings for Subwoofers and Speakers, fit 6.5", 2 Pairs:

• Custom mounting adapters for 6.5" speakers
• Adds an extra 1 inch of mounting depth for custom installations
• Made from durable ABS plastic
• They are specifically designed to fit Audiopipe APMB speakers with a die-cast basket.
• Compatible with other custom applications
• It comes in a pack of 2 pairs (4 rings in total)
• Inner diameter of 5 7/8 inches and outer diameter of 7 1/8 inches
• Easy to install and use
• It helps to improve sound quality and performance
• Provides a clean and professional-looking installation