3pin Mini XLR Connector Male/Female Code: 80209512

3-pin Mini XLR connectors (often referred to as TA3 connectors for female and TA3M for male) are scaled-down versions of standard XLRs, primarily used in compact professional audio gear, wireless lavalier microphones, and custom mechanical keyboards.

Key Pinout & Wiring Specifications

A standard 3-pin mini XLR shares the exact same wiring standard as its larger counterpart:

• Pin 1:Ground / Shield
• Pin 2:Positive / Hot (++)
• Pin 3:Negative / Cold (-)

Physical Differences

• Mini XLR Male:Features a smaller, cylindrical housing with 3 pins protruding. It typically attaches to cables or acts as an inline plug.
• Mini XLR Female:Features a cylindrical housing with 3 receptacles (holes). It usually locks into the male pins and uses a quick-release tab to detach.
• Dimensions:Usually has a thread or outer housing diameter of about 10–12 mm, compared to the 19 mm standard XLR.

Common Applications

• Wireless Systems:Frequently used to connect lavalier mics or headsets to bodypack transmitters (e.g., Shure, Sennheiser, AKG).
• Compact Cameras:Used for line-level audio inputs on professional or cinema-style cameras.
• Keyboards:Often integrated to attach detachable aviator or custom coiled cables to mechanical keyboards.