KEF Reference 8b Subwoofer

Marsoni

M251S

$6499.99

Get it in 3 business days with 1 day shipping. Friday, May 29

KEF Reference 8b SubwooferFor power with accuracy the Reference 8b sub has two 500W Class D amplifiers, each driving a 228mm (9 inch) long throw, ultra low distortion driver. These are connected back to back in a heavily braced, acoustically inert cabinet. The result is low distortion bass with effortless body and weight. Specifications: Model REFERENCE 8b LF Drive unit 2 x 225 mm (9in.) Frequency range at 90dB output in free space mode ( 6dB) 18Hz Frequency response at 90dB

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
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Reviewed in the United States on November 29, 2025