It's all but confirmed that Apple's been working on a Max version of their HomePod speaker. Analyst Ming-Chi Kuo mentioned earlier this year that Apple has internally developed their larger HomePod model, but has held back on releasing it - with a hopeful debut by or before 2024. Hinting at a possible 7-inch display (although
question for the current homepod max/mini users; have plexamp voice controls been added yet? probably my only reason for not getting them originally.