Maxon 808 SeriesJuly 16, 2026Band-Pass Filter, Envelope Filter, High-Pass Filter, Low-Pass FilterAF201 Auto Filter w/Original Box
Electro-Harmonix XO Die-Cast SeriesMay 9, 2026High-Pass Filter, Low-Pass Filter, Octave (One Octave Down)Octave Multiplexer w/Power Supply
Electro-Harmonix XO Die-Cast SeriesFebruary 13, 2026Band-Pass Filter, Envelope-Controlled Filter, High-Pass Filter, Low-Pass Filter, SidebandQ-Tron + w/Power Supply
Electro-Harmonix XO Die-Cast SeriesOctober 30, 2025Band-Pass Filter, Envelope-Controlled, High-Pass Filter, Low-Pass FilterMicro Q-tron w/Original Packaging
LINE 6September 28, 2024Arpeggio, Band-Pass Filter, Envelope-Controlled, High-Pass Filter, LFO-Controlled, Low-Pass Filter, ProgrammableFM-4 Filter Modeler – Programmable Filters & Monophonic Synths w/Power Supply
Electro-Harmonix XO Die-Cast SeriesMay 18, 2024Band-Pass Filter, Envelope-Controlled, High-Pass Filter, Low-Pass FilterQ-Tron
upforgrabsfxJune 2, 2026Band-Pass Filter, Filter, High-Pass Filter, Low-Pass FilterFilterFX Tap Tempo LP/BP/HP LFO Filter w/8 Waveshapes MuTron III Sample Hold
Electro-Harmonix Nano SeriesJuly 10, 2025Band-Pass Filter, Envelope-Controlled, Filter, High-Pass Filter, Low-Pass FilterNano Q-Tron – Envelope Filter
