All Comparisons
R2-W10D4

R2-W10D4

Alpine
$299.95
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VS
SB 10" SUBWOOFER - DVC | 500W RMS

SB 10" SUBWOOFER - DVC | 500W RMS

Down4Sound
$749.99
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Subwoofer Spec Comparison

ParameterR2-W10D4SB 10" SUBWOOFER - DVC | 500W RMS
General
RMS Power—500 W