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"