Date Region Description Price Seller
USAElectro-Harmonix Nano Q-Tron in mint condition with box...$90.00
USAComes in original box, instructions and packing.Envelop...$75.00
USAWorks perfectly and in excellent condition ![Electro-H...$89.00
USAPurchased new, used a few times at home. Never gigged o...$88.00
USAEnvelope controlled filter is an effect type that ventu...$89.99
USADoes not include original box. Some minor scratches (pi...$69.00
USAQ-Tron envelope filter in great condition. Purchased th...$80.00
USAElectro-Harmonix Nano Q-Tron 2021 - Present - Silver us...$80.00
USAFully functional and gently used.It may have some minor...$80.00
USAExcellent condition, never gigged, from smoke free home...$85.00