MartinLogan Grotto 12 ($2,299) & 15 ($2,799) subwoofers deliver 2kW peak power, triple hybrid woofers and precise DSP. The new Grotto 12 and 15 subwoofers sit above the Abyss models in MartinLogan’s ...
MSRP: $ 2,300 - Grotto 12, $2,800 - Grotto 15 First Impression: Gotta Have It! MartinLogan revamps the Grotto line with new 12" and 15" subwoofers, each powered by 1kW amps and dual passive radiators ...
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