4 ohm mono is equivalent to 2 ohm. The following diagrams are the most popular wiring configurations when using dual voice coil woofers.

Dual Voice Coil Dvc Wiring Tutorial Jl Audio Help Center
Dvc wiring diagram. A svc speaker has one voice coil and one set of terminals one positive and one negative. Dual voice coil wiring options. Two 4 ohm dual voice coil dvc speakers wiring diagrams. With multi driver sub systems which often feature dual voice coils dvc on each driver the level of wiring complexity can be enough to turn off even the most adventurous of car audio do it yourselfers. Impedance is the amount of electrical resistance or load a sub puts up against an amplifiers. For example if the woofer says single 4 ohm voice coil you would select 4 ohm in the wiring tool.
A dual voice coil subwoofer or dvc sub has four wiring terminal posts two positve terminals and two negative terminals. Your ad blocker is preventing this page from displaying correctly. Check the amplifiers owners manual for minimum impedance the amplifier will handle before hooking up the speakers. The impedance of a subwoofer coil is expressed in ohms. Select the impedance that your subwoofers are rated for. For example if it says it is a dual voice coil dvc subwoofer and you want to run two subwoofers they both need to be dvc woofers.
Fear not though for we have compiled wiring diagrams of several configurations for dual voice coil dvc drivers. The extra terminals give you more options for wiring the speaker. A dvc speaker has two voice coils each with its own set of terminals. They show a typical single channel wiring scheme. The location of positive and negative speaker terminals have been reversed in one or more diagrams for easier readability. This subwoofer wiring application includes diagrams for single voice coil svc and dual voice coil dvc speakers.