Check the listing for details. Digidesign Mbox 1 Replacement Knob - Avid Mbox1 M-Box. Color: Gray, Condition: Used. Listed at 8.99 USD. Orders placed by 1:30 PM CST ship the same business day! This is a used Knob for an Avid/Digidesign Mbox 1. Condition The knob is in good condition with normal wear from use. Product Details This replacement knob works with the Digidesign Mbox 1 Interface. These are original knobs that were removed from a non-working unit. Shipping FAST and FREE shipping! Orders placed by 1:30 PM CST ship the same day Monday through Friday! FREE Shipping to lower 48 states Expedited shipping is available - please email for a quote In Stock Guaranteed We have the lowest order cancellation rate in the industry. We never intentionally list something on eBay that we do not have in stock at our warehouse, and as a result we cancel less than .001% of our orders per year due to being out of stock, far better than the competition. We ship orders via FedEx, UPS and USPS. With our free shipping we will choose the fastest most cost efficient way to transport the package to you. If costs are close, we will ship the fastest way possible, even if it's a little more expensive for us to do so. Some orders to larger cities, or high value orders will have a signature delivery required. Service At Pixel Pro Audio, we are musicians, engineers, and artists that are passionate about the professional audio and recording industry. Based out of Appleton, Wisconsin, we specialize in gear for the musician and music professional. We know the gear we sell, and we want to use that knowledge to help you make the best choice for your needs. When you need help with your order, we have the fastest customer service times in the industry, and no wait phone support. Simply email us any time (we even answer emails on the weekend), or call us Monday - Friday 10:00 AM to 5:00 PM Central Time. Free technical support. Amazing customer service More than 20 years in business Industry best feedback rating. No matter where you look, you'll find high ratings for our business Fantastic bundle deals. Our bundles truly do save you cash! No joke, we give great value with our bundles. Looking at a used item? We take real photos of the used gear and guitars that we sell and provide accurate high resolution pictures, so you can see the condition of the item you're buying from us. It's a lot of work - but we want you to have the best buying experience possible. Have questions? Contact us for expert help and advice! Item SKU: U021843