Features: Experience professional grade sound with the Acoustic Guitar Pickup System featuring a builting in tuner for precise adjustments and hassle free installation. Customize your tone effortlessly using volumes, bass, midrange, treble controls, brilliances knob, notch filter, and phase switches for dynamic sound shaping. Designed for acoustic guitarists seeking studio quality amplification during live performances, studio recordings, or casual practice. Enhancing your playing experience in any setting, from intimate gigs to outdoor stage, with crisp sound output and ergonomic onboard preamp controls. The redesigned active preamp delivers unmatched signal claritys, while 90 hour battery efficiency (battery not included) ensures uninterrupted creative. Specifications: Material: Plastic Size: Approx. 3.16x2.13inch(8x5.4cm) Package Includes: 1 Set Pickup note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.