Voltage Drop
Wire Size
Speaker Wire
Fuse Size
Parallel Runs
Voltage Drop & Ampacity Calculator
Wire Gauge
4/0 AWG
3/0 AWG
2/0 AWG
1/0 AWG
1 AWG
2 AWG
4 AWG
6 AWG
8 AWG
Material
OFC (Copper)
CCA (Copper Clad Aluminum)
Amperage Load
Wire Length
(Feet)
System Voltage
Path
One-Way
Round-Trip
Total Voltage Drop:
—
Voltage Drop %:
—
Power Loss (Watts):
—
Wire Size Recommendation Tool
Amperage Load
Wire Length
(Feet)
Material
OFC (Copper)
CCA (Copper Clad Aluminum)
System Voltage
% Drop Limit
Path
One-Way
Round-Trip
Gauge
Material
Drop (V)
Drop (%)
Ampacity
Speaker Wire Size Calculator
Speaker Power
(Watts RMS)
Speaker Impedance (Ω)
Wire Length
(Feet, One-Way)
Gauge
Res. (Ω)
Loss (%)
Status
Fuse / Breaker Size Picker
Amperage Load
Wire Gauge
4/0 AWG
3/0 AWG
2/0 AWG
1/0 AWG
1 AWG
2 AWG
4 AWG
6 AWG
8 AWG
Fuse Location
Main Power/Battery
At Amplifier
Distribution Block
Parallel Wire Run Calculator
Total Amperage Needed
Wire Gauge
4/0 AWG
3/0 AWG
2/0 AWG
1/0 AWG
1 AWG
2 AWG
4 AWG
6 AWG
8 AWG
Material
OFC (Copper)
CCA (Copper Clad Aluminum)
Run Length (ft, One-Way)
System Voltage