Features 1、Multifunctional: The bass guitar preamp control board features an excellent bass preamp that ensures rich and vibrant sound quality. Designed specifically for bass and electric guitars, this high performance preamp enhances your instrument's tonal capabilities, allowing for seamless integration into your playing style. 2、User Friendly Controls: Equipped with metal knobs, potentiometers, and a circuit kit, this metal prewired guitar control plate allows for easy adjustment of volume and tonal settings. The intuitive design ensures that users can quickly and effectively fine tune their sound, making it suitable for both practice and live performances. 3、Versatile 3 Channel Preamp: The preamp includes a 3 band EQ with controls for treble, mid, and bass frequencies, giving musicians the flexibility to shape their sound to perfection. The unique push pull switch for active or passive mode allows for versatility, ensuring optimal performance even without a connected battery. 4、Low Noise With Wide Range: This prewired preamp control plate is designed to minimize noise, providing an excellent clear and transparent sound output. The expansive boost or cut range and selectable mid frequency options (high, mid, low) empower musicians to explore a wide variety of tones, making it an excellent choice for both studio recordings and live performances. 5、Adjustable Gain: With an adjustable gain feature, the prewired guitar control plate assembly can boost input signals by up to 15dB while maintaining a flat frequency response. This capability allows for enhanced clarity and dynamic range in your sound, making it suitable for a variety of musical styles and settings. Specifications: Item Type: Electric Guitar Preamp Control Plate Material: Iron, ABS Battery Compartment: 1 x 6F22 Battery (Not Included) Package List 1 x Prewired Control Board 1 x Battery Compartment