SMD 1-Channel Heavy Duty Terminal Cup (Copper Black)
The SMD 1CHCOP is a high-strength alternative to standard injection-molded plastic terminals. Precision-milled from 3/4″” HDPE, this single-channel unit is engineered to remain airtight and structurally sound under extreme subwoofer enclosure pressure.
Key Features:
- Durable Material: Milled from 3/4″” HDPE, offering a high strength-to-weight ratio that will not break or leak under grueling box pressure.
- Premium Hardware: This specific model is equipped with high-quality copper hardware to ensure maximum conductivity and long-term durability.
- Heavy-Duty Terminals: Features 5/16″” bolt terminals designed for a secure electrical connection with standard ring terminals.
- Reusable Design: Built to withstand multiple installations, allowing the unit to be safely transferred between enclosures when upgrading.
Technical Specifications:
- Model: 1CHCOP
- Color/Hardware: Black HDPE / Copper Hardware
- Material: 3/4″” Milled HDPE
- Terminal Size: 5/16″” Bolt
- Cutout Diameter: 2.75″”
- Flange Diameter: 3.75″”
- Dimensions: 3.75″” x 3.75″” x 1.5″” (LxWxH)
- Origin: Made in the USA


0.0 Average Rating Rated (0 Reviews)