Sony has had a good history of producing great wireless speakers. With my previous reviews of the Sony SRS-X3, SRS-X33, SRS-X55 portable speakers, the Sony h.ear go SRS-HG1 somewhat falls flat, literally, in the audio quality.

When playing music using flat setting, the treble is veiled, bass is weak, the audio is contained within the speaker. Despite being marketed as the smallest high-res audio portable wireless speaker, it doesn’t sound at all clear to impress. Even the ClearAudio+ fails to bring sparkle.
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https://musicphotolife.com/2016/08/sony-srs-hg1-review-wireless-speaker/