Active tone control system with no noise, ideal for electric violin. High-quality silent EQ pickup delivers clear and pleasing sound. Upgrade your electric violin with this pickup kit. Features tone and volume controls for easy adjustment. Equipped with 6.35mm output and 3.5mm headphone jack for convenient connectivity. Color: Black Material: Plastic + Metal Tone Control: 12dB Volume Control: 0-10 Frequency Response: 20Hz–20kHz Power Supply: 1 x 9V battery (not included) Item Weight: 62.3g / 2.2oz Package Size: 13 x 13 x 4cm / 5 x 5 x 1.6in Package Weight: 65.2g / 2.3oz Note: Battery not included. Package List: 1 x Violin EQ Pickup (battery not included) Content limited to items listed; other accessories not included. Note: Lighting and monitor settings may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3cm.