4 Channel Line Mixer,Mini Metal Hub Microphone,Ultra Low Noise Audio, #2 Feature: Product Features The MH400 mixer provides a cost-effective solution for mixed multi-line sound signal transmission, deeply feels the value brought by MH400 Add 4 more keyboards or electro?acoustic instruments to the mix, insert the MH400 input interface, connect the MH400 output interface to the mixer input channel to solve the lack of mixer channels Despite the compact size of the mixer, the sound quality is outstanding, with an ultra-low noise operational amplifier circuit UItra-compact 4-channel line mixer to achieve the highest sound quality even at the maximum output level The ultra?compact single mixer with 4?channel input 1?channel output line, each input channel can be individually adjusted in volume 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!