A Passive Signal Source Audio Input Selector Switcher Splitter 1-To-3 Box, Product Details X103 is a 3-way passive stereo audio splitter. It supports 1 stereo XLR inputs and 3 outputs. You can choose freely according to your audio device. PIN 1 is shield Pin 2 is POS(+) Pin 3 is NEG(-) Specification: Brand: SOLUPEAK Model: X103 Input: 1 pair of XLR input socket Output: 3 pairs of XLR output socket Function: 1 input to 3 outputs Product external size: 120*100*60mm Package weight: 510g Pure switcher box design, no amplification function, no volume control, no power circuit, not affect sound quality. No wires are used internally, the circuit board traces are minimized to reduce sound quality loss For Home audio use It is passive xlr signal source input selector, install with audio rotary switch no need power supply, plug and play solid aluminum case body, aluminum knob, Rear panel is FR4 PCB board 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.