Feature: Installation is simple,no need to install, use immediately. Pursue to reduce guitar acoustic. Installation Notes: Open the package, tear double-sided tape ,put the microphone pickup to the panel. One side access the pickup, the other side directly inserted instrument speakers. Size:Diameter of cable into the hole 6.35mm Pickup diameter:3cm Fit for:Guitar, ukulele, violin, etc. Package Included: 1x Universal Transducer.
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