Date Region Description Price Seller
UK- perfect working order with power supply. - a differen...$297.56
USAElectro-Harmonix Q-Tron Plus Envelope Filter with Effec...$169.00
USAGeneral info: for a funky feel using filter effects, th...$309.00
JapanWelcome to Qsic's Reverb Shop!1. The description texts ...$116.08
USAElectro-Harmonix Q-Tron+ with box,power supply, and war...$124.99
USAElectro-Harmonix Q-Tron+ Envelope Filter EHX's flagshi...$159.00
USA*Hidden Gem Guitars is your source for quality used gea...$135.00
USAIf you buy more than 1 pedal from my store, shipping is...$73.00
USAQ-Tron Plus bought brand new. Original box and power su...$175.00
USAElectro-Harmonix Q-Tron+ — Envelope Controlled Filter M...$189.99