The Dayton Audio Sub-Link XR is a versatile audio transmitter system to use with subwoofer, surround speakers, second zone speakers, or feed TV audio to an amplifier, wirelessly. The Dayton Audio Sub-Link Wireless Audio System easily solves wiring dilemmas. Place your subwoofer in the position that provides optimal sound without worrying about a cable. Or, add a subwoofer to the rear of your listening space to spread out the low frequency effects of your favorite movies. Check the prices on long subwoofer cables, and you might find out that in addition to being more convenient, the Sub-Link is also more affordable! For users hoping to add stereo zone capability to an existing A/V installation, the Dayton Audio Sub-Link Wireless Audio System extends the options and uses of your primary audio system. Use the Sub-Link to add powered speakers or passive speakers running off a local amplifier to your patio, pool area, or anywhere you'd like to enjoy music away from your primary A/V system. Connect the Sub-Link to your PC, TV, or streaming media player and send and send a signal to any stereo in the house. Dayton Audio's Sub-Link Wireless Audio System includes one transmitter and one receiver, two 22" 3.5 mm stereo male to stereo male RCA adapter cables, two 22" 3.5mm stereo male 3.5 mm to mono male RCA adapter cables, two 30" USB-A male to micro USB-B male charging cables, and two USB 5V DC, 2A power adapters. Dayton Audio's Sub-Link Wireless Audio System includes one transmitter and one receiver, two 22" 3.5 mm stereo male to stereo male RCA adapter cables, two 22" 3.5 mm stereo male 3.5 mm to mono male RCA adapter cables, two 30" USB-A male to micro USB-B male charging cables, and two USB 5V DC, 2A power adapters.