Electro Harmonix Micro Q-Tron Envelope Filter - Used AR070523 The J-45 is Gibson's best-selling

The J-45 is Gibson's best-selling acoustic of all time

Comfortable 16" body width designed for optimal playability

The up position 25 watt mode reaches all the way into distortion territory and has rich harmonics

not only enhances the guitar's aesthetic appeal but also contributes to its rich

a Deluxe Reverb square style modulation

Electro Harmonix Micro Q-Tron Envelope Filter - Used AR070523 The J-45 is Gibson's best-sellingThe Electro Harmonix Micro Q Tron brings the quirky filtering tones of its predescessors into a more compact footprint. Roll back the effect for subtle movement or punch it for wild filtering sweetness. This Micro Q Tron is in good condition and is fully functional. There pieces of Velcro attached to the back of the unit.