STB Audio Cyanide series is an entry level subwoofer that still packs a punch. Hand built in the USA. The Cyanide 10" subwoofer has a power level of 1000 watts RMS and 2000 watts 

Specifications

2 ohm Impeadince

Max SPL >90db

Frequency Range 35 - 500 Hz

Voice Coil size 3"

Double Ferrite Magnet

Cut-Out Diameter 9.25"

Mounting Depth 6.70"