Taking up after the Sony HT-A9, the Theater Quad uses a wireless system corralling four primary speakers with built-in woofers, tweeters, and more. My issues here aren’t so much its audio quality.

The HT-A9 is made up of four wireless speakers and a central control box that features HDMI 2.1 input and output as well as ethernet and USB connections. The four speakers use Sony’s Spatial ...

But it’s an experience that you truly have to hear to believe. The previous version of the Quad, Sony’s HT-A9, had a cylindrical look to its quartet of speakers. With the Quad, Sony opted for ...

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