Quick-mount, passive, magnetic soundhole pickup.

• for Acoustic guitars with sound holes between 3.85" and 4.10"

Moderate output, hum canceling, lower impedance. Instant-mount, hum-canceling Stack pickup, housed in a tube with a built-in volume control. The tone is flat, warm and natural. Perfect for live situations that require on-board volume control. Extremely feedback resistant. Includes short cable with ¼" female jack. For optimal tone, plug into an acoustic guitar amplifier, P.A., or mixing console.