Guitar Sound Hole Humbucker Acoustic Pickup Tone Volume Preamp Pickups P-011Specifications:Easy to put on and take off, extremely convenient. Equipped with a volume and tone control knob. Turn your acoustic guitar to a good tone and volume. Volume control for vocal and acoustic guitar. Also it can increase the level of the preamp, make the music louder and brighter. Easy to install, place the pickup into the sound hole and adjust the padded metal piece to fix it stably without scratching and need a drill hole. Type: Guitar PickupMaterial: Metal, Plastic Mounting: Acoustic ClassicOutput Connector: 6.35mm Straight Plug Power: Speaker (Without Battery)Function: Guitar Humbucker, Transducer Adapter, Audio PickupAudio Cable Length: 13cm x 2.5cm/5.12" x 0.98" (Approx.) Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Included:1 x Guitar Pickup (Guitar and Loud Spear Not Included)1 x Cable