Electro Harmonix - 1970's RI "Bass Balls" Envelope Filter w/ AC 1/8" To Barrel Jack PS Adaptor - USED pro It allows the microphone head

It allows the microphone head to be positioned as high as 7 feet and as low as 1

12 Control Inputs and 6 Logic Outputs allow the BLU-120 to be integrated with GPIO compatible devices

With rugged all-metal construction

excellent for a wide range of musical styles

Lake Placid Blue and Mocha

Electro Harmonix - 1970's RI "Bass Balls" Envelope Filter w/ AC 1/8" To Barrel Jack PS Adaptor - USED pro It allows the microphone headRecently traded in EHX Bass Balls 1970's reissue "Twin Dynamic" envelope Filter for bass guitar. Excellent condition and is sold with the pink Operations guide, EHX black and white Sticker and 1 8 inch to barrel jack power supply adaptor. Fully tested and works perfectly. Sold without the factory box. Features True bypass Tough and compact die cast chrome metal chassis Specifications Circuit: Analog Bypass: True Bypass Audio: Mono Power Supply: 9V