Description: 【Enhance Your Sound】: The Pickup and Preamp system is an essential addition for any acoustic guitar player looking to amplify their sound. Equipped with active electronics and a built in tuner, this unit is ideal for gigs and live performances. 【Accessories】: With its black color and bridge position, this unit adds a sleek touch to any acoustic guitar. It's specifically designed to fit acoustic guitars, ensuring seamless integration with your instrument. 【Preamp System 】: This Preamp system comes with a piezo mic and EQ beat set that allows you to further adjust and your sound quality. Get the most out of your acoustic guitar with the Pickup and Preamp system. 【Compact】: The Onboard Preamp Systems are dedicated to providing maximum value in a small footprint. Available in three models, these systems offer volume, tone shaping, phase controls; a prewired pickup and low profile control knobs. 【Quality Material】: Made from PP environmentally friendly metal, this unit is sturdy yet lightweight. The onboard size measures 51x 51mm while jack plate measures 48.8x48.9mm. Specification: Material: Metal PP Size Chart: onboard 5.1cmx5.1cm/2.01inchx2.01inch jack plate 4.88cmx4.89cm/1.92inchx1.93inch Package Includes: 1 Guitar EQ Equalizer Pickup 8 Screws 1 Marker Note: Please allow slightly errors due to manual measurement and different monitors.