I purchased a BT30D pro and I'd like to know the range of subwoofer crossovers frequency.

Fosi Team

The range of subwoofer crossovers frequency for passive subwoofer is 20-300Hz.
The BT30D Pro features a full-range signal port called "preout" rather than a dedicated sub out. When connected to a subwoofer, it will automatically filter and deliver low-frequency signals to the subwoofer for enhanced bass performance.

If you have any questions or concerns, please don't hesitate to contact support@fosiaudio.com.

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