4 Way Audio Input Switch Module For Computers And Tvs With Diy Switching Board Feature: 1. This product uses relays to switch various signals, basically achieving zero loss. Wide range of applications, suitable for computers, TVs, mobile phones, for Xbox, home theaters, etc. 2. Support four groups of input signals, with the signal switch knob, you can choose to make one of the signal output work. 3. The input signal interface board is a small board composed of two groups of signals, and the input interface of each group of small boards has screw holes for flexible installation and fixation. 4. The audio input switch module is compact, with more convenient installation! 5. There are high quantity terminal blocks for easy wire connection. The audio input switch module is lightweight and easy to install Specification: Item Type: Audio Input Switch Module Voltage: DC 7V-30V, AC 6V-20V Function: Four inputs and one output (four groups of audio signals are simultaneously connected to one group of signal outputs) Method: Manual switch Sequence: Clockwise A?B?C?Dor counterclockwise D?C?B?A Features: Zero loss of relay switching Application: PC, TV, mobile phone, for Xbox, home theater, etc. Package List: 1 x Volume Adjustment Board 1 x Audio Source Switching Board 1 x Signal Board 6 x Line Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Product Features ?Wide Application?The amplifier board module uses relays to switch various signals, basically achieving zero loss. And it is very suitable for computers, TVs, mobile phones, Xbox, home theaters ?Advantage?The bluetooth amplifier module supports four groups of input signals, with the signal switch knob, you can choose to make one of the signal output work ?Flexible Installation?The input signal interface board is a small board composed of two groups of signals, and the input interface of each group of small boards has screw holes for flexible installation and fixation ?Features?The audio input switch module has compact size, which is easy and convenient for you to use and carry it, it is more convenient installation ?Easy to Install?There are high quantity terminal blocks for easy wire connection. The signal amplifier module has light weight and it is easy to install 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!