If your TV audio is flat and muffled, the Samsung HW-K335 might be what you're looking for. This set consists of a soundbar and a subwoofer. Thanks to its total power output of 130 watts, you'll fill smaller rooms with a clear sound and deep bass. If you prefer listening to music, simply connect the soundbar to your smartphone, tablet, or computer via Bluetooth. This allows you to stream music to the integrated speakers wirelessly. Do you own a Samsung TV that supports SoundConnect? In that case, you can link it to the soundbar wirelessly.
Note: the back speakers require a wired connection.