Switchjack™ tightens from outside the guitar, for easier installation. Accepts a standard 1/4" plug, and can be wired for a mono or stereo with simultaneous battery switching. 15/32" diameter, for 1/2" mounting hole. Instructions included.
The Fishman Switchjack is a stereo jack that can be used for mono, stereo, or mono with battery switching capabilities.
Tip (positive) is shortest terminal. Ring (stereo output) is mid-length terminal. Switch (for battery) is long terminal. Ground is long arm coming from side of jack.