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onelinkmore Speaker Binding Post, 4mm Banana Plug Jack Female Socket for Amplifier Chassis, Gold Plated Insulated Terminal Connector, Support Bare Wire & Banana Plugs Pack of 2…
onelinkmore Speaker Binding Post, 4mm Banana Plug Jack Female Socket for Amplifier Chassis, Gold Plated Insulated Terminal Connector, Support Bare Wire & Banana Plugs Pack of 2…
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--- QUICK SPEC REFERENCE --- Product: Speaker Binding Post, 4mm Banana Plug Jack, Gold Plated, Insulated, Pack of 2 SKU: OL-6133-2X Plating: Gold Plated Pin Socket: 4mm banana jack (female) Insulation: Crystal shell (insulated from chassis) Wire Acceptance: Bare wire up to 12 AWG, or banana plugs Mounting: Panel/chassis mount Applications: Amplifier chassis, speaker cabinet, test fixture, DIY audio build Quantity: 2 binding posts per pack Price: $6.58 In Stock: Yes ---
These panel-mount binding posts provide a clean, professional-grade speaker connection point on amplifier chassis, speaker cabinets, test fixtures, and DIY audio enclosures. Each post combines a 4mm banana jack socket (accepting standard banana plugs) with a clamp-style terminal that accepts bare speaker wire directly — no banana plug required. The gold-plated contact surfaces resist oxidation and maintain low contact resistance for both the banana jack connection and the bare wire termination.
The insulated crystal shell isolates the binding post electrically from the mounting panel or chassis, which is essential for floating output stages and differential amplifier connections where grounding the post to the chassis would create a short circuit. The shell also provides a color-coding surface — typically available in red (positive) and black (negative) — for correct polarity identification. Bare wire up to 12 AWG can be inserted under the post's clamp mechanism, accommodating the heaviest practical speaker wire gauges used in home and professional audio.
These are chassis-mount components intended for installation into pre-drilled panel cutouts. The standard binding post body diameter is approximately 8mm, requiring a matching hole in the mounting panel. Installation requires threading the post through the panel hole and securing it with the included hex nut from behind. Verify panel thickness and cutout dimensions before installation — panels thicker than approximately 6mm may not allow the hex nut to engage the threads properly.
Frequently Asked Questions
A standard banana jack is a single-function 4mm socket that only accepts banana plugs. A binding post is a multi-function terminal that accepts banana plugs through the 4mm hole, bare wire inserted under a clamp or wing nut, and sometimes spade lug connectors. Binding posts are the preferred speaker connection on quality audio equipment because they accommodate a variety of connection types without requiring the user to terminate wire with specific connectors.
Yes. Strip approximately 10–12mm of insulation from the speaker wire, twist the bare strands tightly to prevent fraying, and insert under the binding post's clamp mechanism. The clamp secures the bare wire conductor directly against the gold-plated contact surface. This connection method is adequate for permanent installations. For connections that will be disconnected and reconnected frequently, banana plugs provide more convenient and repeatable termination.
A single speaker connection requires 2 binding posts — one positive and one negative. The 2-pack provides exactly the components needed for one speaker connection point (such as one channel's output terminals on an amplifier, or the input terminals on one speaker cabinet). For a full stereo amplifier with left and right channel outputs, two packs (4 posts total) would be needed. For a multi-channel amplifier, additional packs are required accordingly.
Standard panel-mount binding posts are designed for panel thicknesses up to approximately 6mm (roughly 1/4 inch). For thicker panels or enclosures, the threaded shaft may not extend far enough through the panel for the hex nut to engage. If mounting in a thick chassis, a stepped drill bit can be used to countersink the mounting hole from the rear to reduce effective panel thickness at the mounting point.
Yes, for typical home and professional audio power levels. The 12 AWG wire capacity accommodates speaker wire appropriate for amplifiers up to several hundred
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