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K&K Double Big Twin Pickup - front
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K&K Acoustic Pickups - Double Big Twin


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The K&K Double Big Twin is a four-head upright bass transducer specifically designed for jazz bass players. It's able to cleanly transmit very high and low frequencies, so jazz players will love it. It also picks up each string individually, resulting in incredible balance regardless of how you play - be it with a heavy finger attack or pizzicato. Easily installed with double-sided adhesive film, it also has a special attachment clamp to hold the connection jack so mounting it to the A and D strings between the string-holder and bridge is possible. An immeasurably useful addition to your upright bass, the K&K Double Big Twin is a pickup that transmits the tone exactly how it should be heard.

This item has a special packaging from the manufacturer.  If the manufacturer's seal is broken or internal packaging is not "as new" the item cannot be returned.


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We take the time to set up every new guitar, mando, bass, uke, or banjo for every player, whether it was purchased here in Lawrence, Kansas or on our website. Large retailers are content to ship you a guitar right off of the warehouse shelf, while we take pride in the fact that your new instrument will be set up to be truly ready to play - for you.

Call us at 800-747-9980 or send us an email at info@massstreetmusic.com - we're here to help! All of us at Mass Street Music are musicians, and we're dedicated to helping you find exactly what you're looking for. You can also check out our Staff Page if you'd like to email one of us directly.

Any new or used gear $25 or over gets shipped to you for FREE via our favorite carrier, Fed Ex – ground, to all 'lower 48' U.S. states and we offer a 7 day return policy. Alaska and Hawaii, expedited shipping, international shipping are more. We also ship around the globe. Read more about our Shippping.