This Circular Speaker Terminal Cup is a compact, recessed mounting solution designed for seamless integration into speaker cabinets and home theater installations. Measuring 49.15mm in outer diameter with a 48.10mm mounting depth profile, this unit features quick-release spring-loaded clips for effortless, tool-free wire termination.
Flush-Mount Circular Design: The round flange provides a professional, low-profile finish that sits flush against the speaker cabinet surface, ideal for custom DIY audio builds.
Quick-Release Spring Terminals: Equipped with color-coded Red (+) and Black (-) spring-loaded levers that ensure a secure, high-tension grip on bare speaker wire without the need for soldering or specialized tools.
Universal 2-Pin Interface: Features standard rear-mounted solder/quick-disconnect tabs, allowing for flexible internal wiring connections using either standard female spade connectors or direct soldering.
4-Point Secure Mounting: The outer flange includes four pre-drilled countersunk mounting holes, ensuring a stable and airtight installation when screwed into wood or plastic enclosures.
Heavy-Duty ABS Construction: Molded from high-impact, vibration-resistant polymer to prevent air leaks and maintain acoustic integrity within the speaker chamber.
Clear Polarity Marking: Features high-contrast "INPUT" text and embossed polarity symbols (+ and -) to prevent phase errors during system setup.
Outer Diameter: 49.15mm.
Total Depth/Width: 48.10mm.
Material: High-Impact Black ABS Plastic.
Connector Type: 2-Pin Spring Clip (Push Type).
Rear Termination: Dual Male Spade/Solder Tabs.
Application: Ideal for bookshelf speakers, surround sound satellites, car audio sub enclosures, and DIY cabinet projects.
What size hole should I cut for this terminal? While the outer flange is 49.15mm, the internal "cup" section is slightly smaller. It is recommended to use a standard hole saw slightly larger than the rear housing to ensure a snug fit while allowing the flange to cover the edges completely.
Does this terminal prevent air leakage in a sealed box? Yes, the solid one-piece molded design is inherently airtight. However, for high-pressure subwoofer applications, we recommend applying a small bead of silicone or a foam gasket behind the flange before screwing it down to ensure a 100% airtight seal.
Can I use heavy-gauge wire with these spring clips? These clips are optimized for standard 14AWG to 22AWG speaker wire. While very thick high-current cables may be difficult to insert, standard residential and automotive speaker wiring will lock securely into the high-tension spring mechanism.
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