Weighing only 18 grams (0.6oz), this ultra-light condenser pickup is ideal for acoustic guitar, mandolin, violin, and most other stringed instruments. The C 411 will give a clear and uncolored sound without changing the balance of the instrument. Attaching the C 411 on or near the bridge or anywhere else on the instrument is easy with the included non-marring, reusable, solventfree adhesive compound. C 411 PP: For hardwire applications, with standard XLR connector for phantom powering. C 411 L: With mini XLR connector for use with B 29 L battery operated power supply, MPA V L external phantom power adapter, or AKG WMS bodypack transmitters.