Phonak Marvel M30 vs M90


Hey, I recently purchased a pair of Phonak marvel M30s, they are alright, but the streaming quality is kinda bad, so I was wondering if this is because these are not the M90s. Has anyone else had experience with the M30s and would it worth be upgrading to the M90s or is there no difference in streaming quality between these models? Could this also because I am using the standard Receiver and not the Moderate Receiver?

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