The MDB Series ready for anything from acoustic guitars to laptops, always sound your best with MDB series direct boxes. MDB Series will give you the peace of mind that your sound will faithfully get to your audience the way that you hear it on stage. Direct boxes are an essential tool for any stage or studio. They make it easy to get clean, low-noise audio to a mixer no matter what instrument you are using. Available in four versatile models, our ultra-affordable DI's offer the Mackie sound quality that you expect with Built-Like-A-Tank™ construction for maximum reliability. From acoustic guitars to laptops, be ready for anything with MDB Series direct boxes.