Features: With active electronics and a built-in tuner, this unit is perfect for gigs and live performances. These preamp systems feature volume, tone shaping, and phase controls; a pre-wired ore pickup and low-profile control knobs. The preamp systems are designed to provide maximum value in a compact footprint. Customize your sound with bass and treble controls, offering a wide range of tonal shaping options. This unit includes a piezo microphone and EQ preset set to further adjust and optimize your sound. Specifications: Materials: Plastic and environmentally friendly metal Size: as shown in the picture Package Includes: 1 set Guitar Pickup Note: Please allow 1-2 cm errors due to manual measurement; ensure you are comfortable with this before ordering. Due to differences between monitors, the picture may not reflect the actual color of the item.