Model / Name Picture Type / Circuit Taper / Impedance Power Minimum Volume LED Size
MMV / Mini Volume Mono / Electro-Optical Audio / 20Meg Active - Adapter or Battery No Yes 6.75" L x 4.5" W x 2.75" H
M2MV / M2 Mini Volume Mono / Potentiometer Audio / 1Meg Passive No Yes 6.75" L x 4.5" W x 2.75" H
PLA / Steve Vai Little Alligator Mono / Electro-Optical Linear / 20Meg Active - Adapter or Battery No Yes 9.25" L x 6.0" W x 2.75" H
PVO+ / Volume Plus Mono / Electro-Optical Audio / 20Meg Active - Adapter or Battery Yes - Foot Selectable Yes 9.25" L x 6.0" W x 2.75" H
M2VO / M2 Passive Volume Mono / Potentiometer Audio / 1Meg Passive No No 9.25" L x 6.0" W x 2.75" H
M2SV / M2 Passive Stereo Volume Stereo / Potentiometer Audio / 1Meg Passive No No 9.25" L x 6.0" W x 2.75" H