Zoom A1 Four Acoustic Instrument Multi-Effects Processor, And Upright Bass. Featuring specially engineered effects, built-in looped and drum machine, the A1FOUR is the first Multi-Effects Processor designed for a variety of acoustic string and wind instruments. With over 80 preloaded effects, the A1FOUR allows you to craft endless soundscapes for the acoustic instrument of your choice. Product Features Dedicated effects for acoustic guitar, saxophone, trumpet, violin, harmonica, and acoustic bass Looped for recording up to 30 seconds/ 64 beats of CD-quality audio with seamless start and end times 50 memory locations for storing user-created Patches 68 built-in rhythm patterns tailored for unplugged styles of music can be used in combination with the looped A1 FOUR and A1X FOUR runs on 4 AA batteries, with alkaline battery life of 18 hours; MAA-1 Requires 2 AA batteries Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!