Gauge 400

What wires do I need in order to install an aftermaket amplifier to my factory HU?

I drive a 2007 Mazda 3

depends on what wattage/amps your going to be running and what the distance is between batt and speakers.

Recommended Cable Size by Power and Distance

Total RMS
Power (watts)Distance
watts 4 feet 8 feet12 feet16 feet20 feet
10010 gauge10 gauge8 gauge8 gauge4 gauge
20010 gauge8 gauge8 gauge4 gauge4 gauge
4008 gauge8 gauge4 gauge4 gauge4 gauge
6008 gauge4 gauge4 gauge4 gauge4 gauge
8004 gauge4 gauge4 gauge2 gauge2 gauge
10004 gauge4 gauge2 gauge2 gauge2 gauge
14004 gauge2 gauge2 gauge2 gauge2 gauge

Current Draw by Power

Total RMS
Power (watts) Current Amps
100 16
200 32
400 64
600 96
800 128
1000 160
1200 172
1400 188

Power & Ground Cable Specs

Cable Size
Wire Gauge Current Capacity Amperage (amps)
1/0 350
2 225
4 150
8 100
10 60
12 40
14 25
16 15

also may want to do the "big 3 upgrade" for your wiring
1: battery negative to ground
2:positive battery to alternator
3:battery negative to engine block

Discover Gauge 400 On eBay Below:

OMS Stage SPG 0 400 bar including swivel without HP hose 14118001 Gauge US
OMS Stage SPG 0 400 bar including swivel without HP hose 14118001 Gauge US
$81.00
AQUALUNG Triple Console Pressure Depth Gauge Compass Scuba Set SPG 400BAR 70m
AQUALUNG Triple Console Pressure Depth Gauge Compass Scuba Set SPG 400BAR 70m
$77.87
Aeris X1 Pressure Gauge Metric SPG 400 bar With Hose Boot Temperature indicator
Aeris X1 Pressure Gauge Metric SPG 400 bar With Hose Boot Temperature indicator
$89.95
Scubapro Standard Brass Pressure Gauge HP 80 400 BAR 28075000 Gauges
Scubapro Standard Brass Pressure Gauge HP 80 400 BAR 28075000 Gauges
$99.00
Scubapro Standard Brass Pressure Gauge HP 80 400 BAR 28075000 Gauges US
Scubapro Standard Brass Pressure Gauge HP 80 400 BAR 28075000 Gauges US
$112.00
UWATEC 400 Bar Mini 2 Gauge Console  4350 PSI 300 BAR S20 4
UWATEC 400 Bar Mini 2 Gauge Console 4350 PSI 300 BAR S20 4
$149.99
New Scubapro 400 bar 6000 psi mini scuba diving spg  hp hose
New Scubapro 400 bar 6000 psi mini scuba diving spg hp hose
$70.36
Aquatec Dive Pressure Gauge 350 Bar With Hose Dive Scuba Diving Console PG 400
Aquatec Dive Pressure Gauge 350 Bar With Hose Dive Scuba Diving Console PG 400
$79.00
UWATEC Triple Scuba Console Pressure Depth Gauges Compass Thermometer SPG 400BAR
UWATEC Triple Scuba Console Pressure Depth Gauges Compass Thermometer SPG 400BAR
$111.54
MIDLAND MDE Triple Console 3 Pressure 400BAR Depth Gauges Compass Scuba SPG
MIDLAND MDE Triple Console 3 Pressure 400BAR Depth Gauges Compass Scuba SPG
$79.19
OMS Stage SPG 0 400 bar including swivel without HP hose 14118001 Gauge
OMS Stage SPG 0 400 bar including swivel without HP hose 14118001 Gauge
$71.40
Scuba 400 bar High Pressure Contents Gauge SPG Glass Metal Casing Boot Incl
Scuba 400 bar High Pressure Contents Gauge SPG Glass Metal Casing Boot Incl
$46.20
Scuba Dive Gauge Console BRASS SPG Thermometer Pressure Depth Compass Metric PSI
Scuba Dive Gauge Console BRASS SPG Thermometer Pressure Depth Compass Metric PSI
$189.95
XS Scuba Wrist Mount Compass Black
XS Scuba Wrist Mount Compass Black
$45.00
Aquatec Dive Pressure Gauge 350 Bar For Scuba Diving Console PG 400M
Aquatec Dive Pressure Gauge 350 Bar For Scuba Diving Console PG 400M
$49.00
AQUALUNG Triple Console 3 Pressure 400BAR Depth Gauges Compass Scuba SPG Dive
AQUALUNG Triple Console 3 Pressure 400BAR Depth Gauges Compass Scuba SPG Dive
$82.49
AQUATEC Scuba Pressure Gauge Scuba Diving Spool SPG Console Gauge PG 400M
AQUATEC Scuba Pressure Gauge Scuba Diving Spool SPG Console Gauge PG 400M
$89.95


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