3-In-1-Out Xlr Pro Audio Switch Balanced Audio Converter 3 Channel, 3-In-1-Out Product Features WisWinDa Specialized in Audio Devices, Making Your Audio System More Professional. WisWinDa 3-Channels passive stereo xlr audio switch. This design well have two different versions, WD301A support 3 stereo XLR Input and 1 Output. Another version is WD103A which support 1 stereo Input and 3 Output. Please take the right one according to your demanding and audio system devices. The version 3-In 1-Out is designed for customers whom has several music audio sources equipments with XLR, and the version 1-In 3-Out is designed for clients whom has several audio players or amplifiers. It?s passive plug and play design very convenient in using.(Tips: 1-In 3-Out: 3 Outputs can not be working simultaneously). The audio switch box is aluminum shell design with strong quality xlr connectors which could help to avoid external nosie and keep it high quality singnal transmission. The speaker switch selecter box is a passive design which no need extra power supply, and no affect the sound quality at all. Exquisite appearance with portable size. It could be easily placed and carried to enjoy the music anytime and anywhere. Dimension: 6.7*5.4*2.8inch Weight: 1.65lb 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!