Please allow 1-2 Business Days for build time.
Our aux switch will allow you to CHANNEL SELECT and LEAD BOOST on your Tubemeister 18. No need for power, LEDs are light up by the amp.
* You will need a TRS Cable, please see the cables category.
3.64 X 1.52 X 1.06 (Inch)
93 X 39 X 27 (mm)