4/10Pcs Brass Terminal Connector With Transparent Shell Banana Plug Socket 4mm Gold Plated HIFI Ser Amplifier Binding Posts

4mm Gold-Plated Banana Plug Binding Posts — HiFi Amplifier & Speaker Terminal

Upgrade your amplifier, speaker cabinet, or test bench with these precision 4mm banana plug binding posts. Featuring gold-plated contacts for maximum conductivity and corrosion resistance, a transparent polycarbonate shell for visual wire inspection, and a robust threaded body for secure panel mounting — these binding posts deliver the reliable, low-resistance connection that HiFi audio and laboratory applications demand.

Available in brass (copper alloy) and zinc alloy body variants, in packs of 4 or 10 pieces.

Specifications

• Plug Diameter: 4mm (standard banana plug compatible)
• Contact Plating: Gold-plated for low contact resistance and corrosion resistance
• Body Material: Brass (copper alloy) or Zinc alloy (variant dependent)
• Shell Material: Transparent polycarbonate (PC)
• Current Rating: 15A continuous
• Voltage Rating: 500V DC/AC
• Thread: M8 standard panel mount thread
• Wire Entry: Side screw terminal (accepts up to 4mm² / AWG 12 wire)
• Panel Hole Size: 8mm diameter
• Colors Available: Red and black (sold as pairs or sets)

Available Variants

• 4pcs Copper (Brass) — 2 red + 2 black, brass body, gold-plated
• 10pcs Copper (Brass) — 5 red + 5 black, brass body, gold-plated
• 4pcs Zinc Alloy — 2 red + 2 black, zinc alloy body, gold-plated
• 10pcs Zinc Alloy — 5 red + 5 black, zinc alloy body, gold-plated

Brass vs. Zinc Alloy

• Brass (copper alloy): Higher conductivity, better corrosion resistance, preferred for audio signal paths and high-current applications
• Zinc alloy: More economical, adequate for general-purpose and lower-current applications

Typical Applications

• HiFi amplifier speaker output terminals
• DIY speaker cabinet input terminals
• Laboratory power supply output posts
• Test bench and bench power supply connections
• Battery charger output terminals
• Audio crossover and passive component test fixtures
• Educational electronics lab equipment

Installation

• Drill 8mm hole in panel or enclosure
• Insert binding post, secure with included nut from rear
• Connect wire via side screw terminal (loosen screw, insert stripped wire, tighten)
• Compatible with all standard 4mm banana plugs and stackable banana plugs

Package Contents

• 4 or 10 × binding posts (red and black, as selected)
• Mounting nuts included

Enjoy free standard shipping on all orders over $199 USD. Orders are processed within 1–2 business days.

Not satisfied? Return any item within 90 days of purchase for a full refund or exchange. Items must be in original condition.

We are committed to quality, reliability, and customer satisfaction. Every product is carefully selected and tested to meet the highest standards.