I saw Apple's HomeView, HomePod mini 2, and Apple TV 4K
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The HomePod mini 2 supports Wi-Fi 6E (802.11ax) and Bluetooth 6, which are upgrades over the 802.11n Wi-Fi and Bluetooth 5 in the original HomePod mini. This means that the new device will have faster wireless connectivity and less latency.
Additionally, the HomePod Mini 2’s Bluetooth 6 upgrade allows for enhanced spatial awareness, which is likely the foundational technology for the speaker’s new four-speaker home theater array. Alongside Wi-Fi 6E’s reduced congestion, Bluetooth Low Energy helps deliver lower latency, minimizing lip-sync delay.
Apple's new Apple TV 4K supports four-HomePod surround sound. See compatible speakers, confirmed prices, system costs, and setup limitations before buying.