Cable Gauge Table – Lo-Z installations, 0.5dB attenuation. 4 Ω & 8 Ω loads 

Cable Cross Section (mm²)	Cable Gauge (AWG)	Max Cable Length (Metres, 4 Ω load)	Max Cable Length (Metres, 8 Ω load)
0.75	≈18	5	10
1.5	≈16	10	20
2.5	≈14	17	35
4.0	≈12	28	55

Cable Gauge Table – 70V Hi-Z installations, 1.0dB attenuation20 speakers evenly distributed

Cable Cross Section (mm²)	Cable Gauge (AWG)	Max Cable Length (Metres), (125 W/Channel)	Max Cable Length (Metres), (250 W/Channel)
0.75	≈18	90	45
1.5	≈16	180	90
2.0	≈14	<250	150
3.5	≈12	<250	<250

Note: Cable lengths should not exceed 250m.

Cable Gauge Table – 100V Hi-Z installations, 1.0dB attenuation20 speakers evenly distributed

Cable Cross Section (mm²)	Cable Gauge (AWG)	Max Cable Length (Metres), (125 W/Channel)	Max Cable Length (Metres), (250 W/Channel)
0.75	≈18	190	90
1.5	≈16	<250	180
2.0	≈14	<250	<250
3.5	≈12	<250	<250

Note: Cable lengths should not exceed 250m.