This wild new phone has its own subwoofer, and it's got me wondering why phone speakers are still an afterthought TechRadar - All the latest technology news By:jamie.richards@futurenet.com (Jamie Richards) 27 October 2025 at 16:47 The new Redmi K90 Pro Max has a denim rear panel, a flagship chipset, and a built-in subwoofer – it’s undeniably weird, but raises some good questions about mobile audio.
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