A:AnswerThat will depend on what audio connections you have on your LG TV. If it is a recent model, it will have an Optical Digital Audio Out and to connect it to the LG XBOOM 720W Hi-Fi Entertainment System with Bluetooth® Connectivity, Model # CJ45 which has an AUX IN (L/R) port and a Portable IN (3.5mm port), you will need to purchase a Digital/Analog Converter that allows you to plug it into the TV's Optical Digital Audio Out and into the CJ45's AUX IN or Portable IN ports. If your TV supports Bluetooth, you can pair it with the CJ45 and stream audio wirelessly from your TV to the CJ45...^IFV
A:AnswerWe would be happy to see what's going on. Drop us a line on Twitter at @LGUSSupport or on Facebook https://www.facebook.com/LGUSA/ so we can get more info and see what we can do. ^CP
A:AnswerThe Subwoofer on the LG XBOOM 700W 2.1ch Mini Shelf System with Subwoofer and Bluetooth®, Model # CM4590 has an impedance of 3 Ω and a rated input power of 240 W RMS and a Maximum Inout Power of 480 W RMS. a 2200 W Subwoofer would be an overload & 4 Ω is the wrong impedance...^IFV