Speaker Wiring Calculator
Built Not Bought BoomBoxes
Ohm Load Calculator
// wire it right — protect your amp — push your build
Total Impedance
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Ω
Add speakers below to calculate your ohm load.
// Speaker Configuration
🔊
Add speakers to begin// Wiring Diagram
Parallel Wiring
All + to + and − to −. Impedance drops.
1/Ztotal = 1/Z₁ + 1/Z₂ + ...
Equal Ω: Z = Zn / count
Equal Ω: Z = Zn / count
Series Wiring
Chain + to −. Impedance adds up.
Ztotal = Z₁ + Z₂ + ...
Series-Parallel (S+P)
Groups wired in series, then parallel.
Arrange rows × cols.
Zrow = sum of row
Ztotal = Zrow / rows
Zrow = sum of row
Ztotal = Zrow / rows
Safe Amp Ranges
Most amps: 4Ω–8Ω is ideal.2Ω — many amps support, runs hot.
Below 2Ω — most amps will fail or clip.