The Treble Bass Expander (TBX) is a detented, stacked 250K / 1Meg control that enhances your tonal palette. It functions as a standard tone control from 1 to 5; after 5 it decreases resistance, letting more bass, treble, presence and output flow to your amp. No battery necessary.
Each TBX Tone Control comes with a .022mf capacitor, 1/4 watt resistor, white tone knob, mounting hardware and installation instructions.
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