Hifonics BRW15D4 15" Dual 4-Ohm Car Subwoofer 5x7 Inch Speakers The result is a design

The result is a design intended to retain consistent behavior when driven by an appropriately matched amplifier

The amplifier supports loads down to 2 ohms per channel in stereo operation or 4 ohms per bridged channel pair

a butyl rubber surround

and equipment-rack runs without requiring an added extension cable

Hifonics BRW15D4 15" Dual 4-Ohm Car Subwoofer 5x7 Inch Speakers The result is a designThe Hifonics BRW15D4 is a 15 inch component car subwoofer designed to add dedicated low frequency output to an amplified vehicle audio system. It is intended for installations where factory or full range speakers alone cannot reproduce the depth and impact of bass heavy music. Because it is a component subwoofer, it requires a separate enclosure and external amplifier. This model uses dual 4 ohm voice coils, giving installers wiring flexibility when