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Ohmic Audio

Speaker Impedance Configurations

Table A.4: Series Wiring Combinations

Speaker Ω Quantity Total Impedance Formula
2Ω 2 4Ω 2 + 2 = 4
2Ω 3 6Ω 2 + 2 + 2 = 6
2Ω 4 8Ω 2 + 2 + 2 + 2 = 8
4Ω 2 8Ω 4 + 4 = 8
4Ω 3 12Ω 4 + 4 + 4 = 12
4Ω 4 16Ω 4 + 4 + 4 + 4 = 16
8Ω 2 16Ω 8 + 8 = 16

Table A.5: Parallel Wiring Combinations

Speaker Ω Quantity Total Impedance Formula
2Ω 2 1Ω 2 / 2 = 1
2Ω 3 0.67Ω 2 / 3 = 0.67
2Ω 4 0.5Ω 2 / 4 = 0.5
4Ω 2 2Ω 4 / 2 = 2
4Ω 3 1.33Ω 4 / 3 = 1.33
4Ω 4 1Ω 4 / 4 = 1
8Ω 2 4Ω 8 / 2 = 4
8Ω 3 2.67Ω 8 / 3 = 2.67
8Ω 4 2Ω 8 / 4 = 2

Table A.6: Dual Voice Coil (DVC) Wiring Options

Single DVC 2Ω Subwoofer

Configuration Final Impedance
Coils in Series 4Ω
Coils in Parallel 1Ω

Single DVC 4Ω Subwoofer

Configuration Final Impedance
Coils in Series 8Ω
Coils in Parallel 2Ω

Two DVC 2Ω Subwoofers

Configuration Final Impedance
All 4 coils in Series 8Ω
Series pairs, Parallel together 4Ω
Parallel pairs, Series together 2Ω
All 4 coils in Parallel 0.5Ω

Two DVC 4Ω Subwoofers

Configuration Final Impedance
All 4 coils in Series 16Ω
Series pairs, Parallel together 8Ω
Parallel pairs, Series together 4Ω
All 4 coils in Parallel 1Ω