Mini Mix 2 Four-Channel Stereo Line Mixer, Rolls Mx51S. Product Details The MX51S mini mix 2 is small four-channel mixer with individual volume controls, and a headphone/ line output. The unit has one XLR input along with an 1/8? input and 3 sets of stereo RCA inputs. It has enough gain and output level to connect to a power amplifier, with either RCA or 1/8? jacks. The MX51S is powered by an included rolls PS27 12 VDC adapter. For mixing a microphone XLR input with up to three RCA input signals four channels total line/ headphone output level Brand : rolls Model : MX51S Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.