Description
This is the Switchcraft #155 stereo input jack in a black finish, featuring a longer threaded barrel for instruments or enclosures with thicker mounting surfaces. It comes with the nut and washer needed for installation.
- Accepts standard 1/4″ plugs
- Wireable for mono or stereo output
- Overall length: 2″
- Requires a 1/2″-diameter mounting hole
- Minimum wood thickness of 7/16″ for proper mounting
Wiring is straightforward once you know the layout: the short post carries the hot signal, the medium post is dedicated to the battery connection (handy for active electronics), and the larger outermost post serves as ground. This makes it a solid choice for active pickup systems, onboard preamps, or any build where stereo output or battery switching is part of the circuit.
Because of its extended barrel length, this jack is especially useful for guitars, basses, or project boxes with deeper routing or thicker top material than a standard jack can accommodate. Reliable Switchcraft construction means consistent connections and long-term durability, whether it’s going into a repair job or a new build.





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