Binding post

Binding posts are screw-type electrical connectors commonly used for speaker connections on monitors, televisions, and audio equipment. They provide a secure, high-current connection suitable for driving external speakers.

Overview

Binding posts typically consist of a threaded post with a knurled knob or cap. Bare wire is inserted into a hole or wrapped around the post, then secured by tightening the knob. Many binding posts also accept banana plugs or spade connectors for convenience.

Common Uses

• External speaker connections on presentation monitors and professional displays
• Audio amplifier outputs
• Test equipment connections

Specifications

Typical specifications for speaker binding posts:

Parameter	Typical Value
Impedance	4Ω, 6Ω, 8Ω, or 16Ω (speaker dependent)
Current rating	Up to several amps
Wire gauge	12-18 AWG typical

Compatible Connectors

Binding posts typically accept:

• Bare wire (most common)
• Banana plugs
• Spade/fork connectors
• Pin connectors

See Also

• RCA (connector) - Common audio connector
• 3.5mm TRS - Headphone/line-level audio connector