Here you have a home cinema system from Sony which is connected to the subwoofer by cable. It supports Dolby Digital 5.1 audio.
From Peter Tyson
SONY HT-S40R 5.1ch Home Cinema with Wireless Rear Speakers - Black
ShopBetter24
Soundbar Sony 62521116717 600W Black 90 W
This product is also available at 8 unverified stores.