The Seymour Duncan SA-3SC Woody Pickup is a single coil pickup that fits unobtrusively in nearly any acoustic guitar soundhole and passively amplifies your sound. This is an easier and more affordable alternative to a microphone amplification setup while providing the same great response and moderate output ideal for strumming and delicate fingerstyle playing. Features Quick-mount passive magnetic soundhole pickup Fits soundhole from 3.85 to 4.10 Single coil Moderate output Instant-mount Housed in a Maple cover and double potted Crisp and clear tone Great for strumming and delicate fingerstyle playing Includes studio-quality 14 cable. Works with any guitar amplifier (acoustic guitar amp preferred) or plugged directly into P.A. systems or mixing consoles