Moukey Mini Audio Mixer Line Mixer, 2021 New Version-Mamx1, Dc 5V, 4-Stereo Product Features ? Stereo/Mono Simple Switching?Moukey mixer audio is divided into two channels. Stereo version-male connectors of 1 / 4-inch TRS stereo audio cable must be used for input and output connections (1 / 4-inch male-to-male stereo audio cable, TRS cable is Keypoint) then press the toggle key. Mono version-Mix 4 mono signal inputs into 1 mono signal output (1 / 4-inch TS male-to-male connector for input and output connection). NOTE: TRS / TS cables are not include in the packaging. ?DC 5V Power Supply?The digital mixer uses the latest DC 5V power supply mode, so it no longer restricts the application scenarios. NOTE: Please use an external power supply with CE or UL certification, and stay away from the interference source, otherwise it will cause noise and other undesirable interference to the product. (Adapter included) ?Multi-function Simple Control?The audio mixer collects sound from many different sources (guitar, bass, and keyboard) into a monitoring position for monitoring or routing. Each channel on the linear mixer has an independent volume control, independent input plugs and volume control for each channel, and a single output from an amplifier. It mixes multiple channels into one track, suitable for your keyboards, small stage setups, drum sets, or sub-mixes. ?Low-noise?Mini audio mixer produces the highest sound quality at all output levels, has ultra-low noise operability, and provides excellent audio performance. Distortion-free and easy to set up, ideal for quickly mixing 4 line-level signals without complexity. The 4-channel mixer produces the highest signal quality with the highest signal integrity, even at the highest levels. It is ideal for multi-keyboard devices and recording. ?After-sale Service Guarantee?We provide a worry-free shopping experience service, if you have any questions, please feel free to contact our 24-hour customer service for help. We will give you a satisfactory solution. 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!