- Uno (knob)
- Dos (knob)
- Uno (Pre/Buff)
- Mode (1/2 / 1+2)
- Uno (footswitch)
- Dos (footswitch)
- (2010-07-08) HBE Dos Mos MosFET Preamp Pedal by ProGuitarShopDemos
- (2016-11-05) On the bench: H.B.E. (Home Brew Electronics) Dos Mos dual MOSFET preamp.
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