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Choosing Your Speaker Cable Size Based On Distance

Using the guidelines Below, Select the appropriate size of wire based on the distance from amplifier to speaker.
Distance Wire Size in AWG Wire Size in MM's
Up-to 25ft (8 Meters) 16 AWG 1.2mm
25-40ft (8-12 Meters) 14 AWG 1.6mm
41-60ft (12-18 Meters) 12 AWG 2.0mm
61-100ft (18-30 Meters) 10 AWG 2.5mm
101-150ft (30-45 Meters) 8 AWG 3.2mm
151-250ft (45-75 Meters) 6 AWG 4mm


CAUTION: Never use shielded cable for output wiring!