The LG SPQ8-S is a 2.0-channel wireless rear speaker kit that adds 140 watts of audio power, expands compatible soundbars into a full surround sound system, and features a wireless receiver connecting via the soundbar's ecosystem . Key Features and Specifications Power Output: Delivers 140W total power (70W per channel) to elevate movie and TV audio. Wireless Connection: Connects wirelessly to the main soundbar unit via a compact wireless receiver box (speakers wire directly to this receiver box). Placement: Designed to sit on flat surfaces like a table or bookshelf, or to be mounted on a wall using optional mounts. Compatibility & Limitations Compatibility: Built primarily to pair with select LG soundbar models such as the S80QY, S90QY, and SC9S series. Standalone Use: Cannot function independently as a Bluetooth speaker or connect directly to phones or TVs without a matching main soundbar.