Date Region Description Price Seller
USAThe classic Q-Tron gets even funkier. Same design as the original EHX Q-...$192.30
USAVintage Modded Qtron PedalModded by the gr...$370.00
USAtested and working! with power supply ![Electro-Harmonix Q-tron Plus](h...$110.00
USAClassic funk/rock envelope filter with a ton of quack, sweep, and charac...$175.00