B&C 21SW115-4 21" 4 Ohm 3400 Watts Professional Neodymium Subwoofer

Marsoni

M251S

$435.00

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

B&C 21SW115-4 21" 4 Ohm 3400 Watts Professional Neodymium SubwooferB&C 21SW115 4 21" 4 Ohm 3400 Watts Professional Neodymium Subwoofer Overview 3400 W continuous program power capacity 4. 5 in split winding copper voice coil 33 1000 Hz response 97 dB sensitivity 60 mm peak to peak excursion before damage Neodymium magnet allows a very high force factor and linear excursion Double silicone spider with optimized compliance Ventilated voice coil gap for reduced power compression Aluminium demodulating ring for very low

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Reviewed in the United States on May 23, 2026