If you have a Loopback Harness (diagram below) you will have a BLUE colored shrink tube bundle that will have the signal side. The other side will have a BLACK shrink tube. This is the return side back to the OEM speaker locations.
Already have your own sub and want to add them to your new car? You plan to add more amplifiers down the road? The Elite Harness was designed for you! Start small and grow based on your needs.
This example we use amplifiers like the Link700.4 & Link1000.1 that take a high level input (speaker level). This means you don't need a pre amp like a Link4 or Link6 before going into the amplifiers.
100% better than accubass! Truly reliable and DIY friendly tuning. Accubass is configured to change based on demand and that means, it can turn off at any given point, when the volume is lowered or too high and the signal becomes flat. The LinkDQ allows you to target the desired attenuation in the bass roll off and boost it back to a usable and noise free level that meets the needs for your subwoofer enclosure at any volume level and does not turn off like the Accubass.