0.75 ohm stable (for use with UL12 both coils in parallel). CRITICAL MASS UL12 UL-12 SUBWOOFER IN ACTION VIDEO. 2000 WATTS MONO BLOCK HYBRID AMPLIFIER. REFERENCE-SS SERIES 2000W SUBWOOFER AMPLIFIER. MONO BLOCK BASS SPL RMS RATED AMPLIFIER 2000 WATTS CLEAN POWER.
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