Helix IK ER8.1 - Compact Subwoofer Enclosure Option:DVC2 - 2 x 2 Ohms This means you have two

This means you have two separate amplifiers

Its highly damped material ensures exact centering and precise control even at maximum excursion

which actually adds lower octaves of bass to any performance autosound system

a sophisticated notch passive network featuring a three-position switch to select the amount of acoustic effect

Frequency response +0

Helix IK ER8.1 - Compact Subwoofer Enclosure Option:DVC2 - 2 x 2 Ohms This means you have twoCompact, space saving, and designed for deep bass performance: The HELIX IK ER8. 1 is the perfect subwoofer for seamless integration into flat spare wheel recesses. Its exceptional shallow round enclosure makes it an ideal choice for a space optimised installation without compromising on a proper low frequency reproduction. Outstanding bass in minimal space The sophisticated, vented construction of the IK ER8. 1 ensures outstanding sound quality and