MXR M82B Special Edition Blackout Series Bass Envelope Filter Effect Pedal
Amazon.com: MXR M82 Bass Envelope Filter Effects Pedal BUNDLE with AC/DC Adapter Power Supply for 9 Volt DC 1000mA, 2 Metal-Ended Guitar Patch Cables AND 6 Dunlop Guitar Picks : Musical Instruments
Filter Twin Bass Pedal | Aguilar
Amazon.com: MXR M82 Bass Envelope Filter w/ 9V Power Supply and Patch Cables : Musical Instruments
Amazon.com: MOOER Envelope Analog Filter Dynamic Auto Wah Pedal, Exaggerated slap back funk, Subtle sultry abience, Static frequency filter effects for Guitar and Bass : Musical Instruments
Pedal Genie | Electro-Harmonix Enigma: Q-Balls for Bass Envelope Filter | All Your Pedal Wishes, Granted