Aluminum Speaker Adjustment Collar｜CNC Threaded Ring for Acoustic Mounting｜Precision 39×29mm Spacer for Audio Hardware

Product Description

This aluminum adjustment collar is specially engineered for speaker and acoustic hardware applications, providing precise depth control and secure thread engagement. With dimensions of 39mm in diameter and 29mm in height, the part features a smooth cylindrical body and fine-pitch internal and external threads, optimized for tight mounting in audio assemblies.

Crafted from lightweight, corrosion-resistant aluminum alloy, this regulating ring helps stabilize speaker enclosures, horn adapters, or threaded interface mounts. Its high machining precision ensures seamless integration and minimal vibration, which is essential for preserving audio clarity and mechanical durability.

The component is CNC machined with clean thread edges and a polished finish, enhancing the aesthetic appeal and functionality in high-end speaker builds. Its modular design allows for easy installation, replacement, or calibration of acoustic components without damaging surrounding parts.

Custom thread sizes, anodized finishes, and logo engraving are available upon request. Ideal for use in home theater systems, professional stage equipment, or automotive speaker installations, this ring supports reliable acoustic tuning and fixture stability.

    XIAMEN SHANG SHANG TECHNOLOGY CO., LTD is a medium-sized private enterprise specializing in precision hardware turning parts, cold heading parts, stamping parts and other processing. It is located in No.179 Tongan Park, Tongan Centralized Industrial Zone, Xiamen City, with more than 5000 square meters of plant, and has been committed to the precision hardware machining industry for nearly 20 years, and has passed the ISO9001 quality certification, and has a wealth of experience in non-standard customization.

In the course of development, our company has won many honors and commendations for its outstanding performance and positive social contributions. These include “Advanced Grassroots Labor Union”, “Workers' Pioneer” and “2011 Harmonious Enterprise”. In the future, we will continue to uphold the fine tradition and strive to create new achievements in various fields to promote the sustainable, healthy and harmonious development of the enterprise.

Our factory have more than 5,000 square feet of plant, we have devoted ourselves to the precision hardware machining industry for nearly 20 years, passed ISO9001 quality certification, and have rich experience in non-standard customization.