Shadow SH-SB2 (Upright Bass Pickup / Dual Transducer) This is a twin-disc (dual) contact pickup for upright bass. It's easy to adjust the sound character by changing the sensor position, and it's relatively easy to attach and detach. Features: * Dual discs (two sensors) for sound pickup * Sensors are the stick-on type (fixed with non-permanent adhesive, tak) * 1/4 inch (standard phone) output jack * Sound shaping is possible depending on the mounting position (e.g., near the bridge) Condition: Used. Please check the photos for the appearance. * Simple check performed before listing (OK to change to "operation confirmed" if the environment allows) Included Items: Everything shown in the photos. Note: For upright bass. The equipment (amplifier/PA, etc.) side requires a standard phone input.