Features: Elevates your electric violin's performances with the Active Tone System, studio quality sound for professional musicians. This versatiles preamp accessory and a light weight plastomer metal for precise audios customization and portable use. Ideal for violinists, luthiers, or enthusiasts seeking to amplifies solid body or flat bridge electric violins. Perfect for live performances, studio recordings, or practice where quiet headphone monitoring and adjustable frequency response is essential. Transform any compatible electric violin into a dynamic instrument using this plug and play pickup set, powered by a single 9V battery for on stage reliability. Specifications: Dimension: 55 x 26mm/2.16×1.02in Component:plastomer Package Includes: 1Set Violin Pickup note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.