Active humbucker alnico guitar pickup. Features two modes. Mode 1 - Modern Active: Offers full, round sound with great articulation and dynamics. Features 630 Hz string peak frequency. Mód 2 – Crisp, Clean and Fluid: Clean and fluid sound suitable for neck position. Features 550 Hz string peak frequency. Pickup is suitable for both positions and is commonly paired with ceramic bridge. Power requirements: 9V batteries (200 hours of life). Product comes in Black finish.