20cm Shallow-type 2Ω Dual Voice Coil Sub (600W)
30cm subwoofer pre-loaded in sealed enclosure (1300W)
30cm subwoofer pre-loaded in bass-reflex tube enclosure (1300W)
30 cm Subwoofer, 1300 W MAX. 350 W NOM.
30cm tube shaped Powered Active Subwoofer with Class-D built-In Amplifier (1300 W). (Russian model)
15" PRO Series Subwoofer with Dual 4Ω Voice Coil (Russian model)
30cm Champion Series Subwoofer (1400 W) 4 Ohm Single Voice Coil
Subwoofer and amplifier package, including 30 cm subwoofer in sealed enclosure and a 2-channel bridgeable amplifier
Subwoofer and amplifier package, including 30 cm subwoofer in sealed enclosure, 2-channel bridgeable amplifier and connecting cables
Set of passive subwoofer in a sealed enclosure and amplifier
Marine Grade ME-Series 25cm / 10" Subwoofer. (900 W)
Europe 
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