Chennai-based  Power Electronic Industries has unveiled a range of subwoofers, subwoofer - amplifier combinations and sub-sats. The subwoofers range from those that come with a compact 6-inch driver to the big 12 inch model.
 

The top-of-the-line subwoofer-amplifier model, named the Thunder Blast, is capable of handling frequencies between 30 to 350Hz/ The unit has twin 8" woofers, which are housed in a vented box measuring 17"x27"x18" (HxWxH)/ A 20"x1.75" front vent relieves acoustic pressure build-up inside the box, besides helping produce deep bass. The unit weighs 50 kg. Torvin's own MW 300 amplifier is optimized to operate with the Thunder Blast.

The subwoofer-amplifier range includes the TSS-300, which includes subwoofer that has a twin 8-inch woofer, which can handle up to 200 watts RMS of power.

The Torvin TA 300 amplifier is optimized for use with the TSS 300. The TSS 100 is a compact version of the TSS 300, and is an 11x11x11 cube that comes equipped with an 8-inch dual voice coil woofer. The system is capable of handling up to 100 watts RMS of Power. This unit is optimized for use with Torvin's TA 100  amplifier.

The Torvin SS 6040 is a powered sub-sat system that includes a subwoofer capable of handling 60 watts RMS power and two satellite speakers that can handle up to 20 watts RMS of load. The subwoofer's input selector allows you to choose between the two inputs. Torvin's range of powered subwoofers goes under the "SW" tag, and is designated SW 160, SW 180, SW 1100 and SW 1150. The SW 160 comes with a 6-inch woofer, the SW 180 has an 8-inch woofer, the SW 1100 has a 10-inch woofer and the SW 1150 has a 12-inch woofer.This range is available in Black, Greek Slate, Teak and metallic painted finishes.