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After a frustrating period of struggling to understand dialog on many streaming video films during the Covid lockdown, I did a lot of internet research to try and find a better solution. Eventually came up with a few soundbar solutions which claimed to solve the problem. Many of those recommended on YouTube were out of stock with waiting times indeterminate. I didn't want to risk disappointment with odering an available model unknown to me online. A friend recommended I approach Caldis who would possibly let me try units in his stock before settling on one. When I phoned, was immediately connected to the owner Aleco, who was able to recommend the "best of the bunch" based on his own experience but had no stock. He phoned around to find me a unit, was successful and delivered it 5 days later. Am absolutely delighted with the result. The unit is called a Polk Signa 3 and surpasses my previous HiFi system (Marantz) in rendering music as well as solving the difficulty we had in understanding movie and TV dialog by using a patented speech emphasizing technology. Altogether a very satisfactory experience.