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Enhance your tone with the Electro Harmonix Q-Tron Plus Envelope Filter. Incredibly versatile this pedal will be a welcomed addition to the pedal board of any guitarist. Regardless of genre or musical style. Building on the success of its predecessor the Q-Tron Plus comes packed with lots of new exciting features that will add a new lease of life to both your productions and performances! The Q-Tron plus comes complete with an all new effects loop option. This allows you to insert an additional effect in-between the preamp and filter section for even more tonal variety. Without risking any changes to the envelope drive. Embrace the attack response switch for absolute precision. From here you’ll be able to pick between the classic ultra-fast response of the initial Q-Tron or a slower smoother response. Take your creativity to new heights with Electro Harmonix!