amp has power but no sound?

[Armstrong55]

So i'm lost at this point. A few weeks ago i had 2 12 inch subs hooked up to a 600 watt kicker amplifier with 680 watt speaker wiring. Then, i took out the wiring and returned it to store, so today i finally decided to go buy new wiring, i bought 1200 watt wiring this time. So i got home and wired everything back up, amplifier had power but subs weren't working. So i figured RCA's i messed with them even got a new pair and tried them but still nothing. So i figured it wasn't them. I tested the subs and they worked, i even redid the wiring everywhere and still nothing. Any ideas where i'm messinrg up?

EDIT: I also checked to make sure RCA's were in on HU, they were. There's also no setting on my HU about subs so i know that's not the issue.

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[MOTA.TIMTIM]

Well considering that you bought wire that advertise "1200 WATTS" its probably more insulation than wire and CCA. Secondly have you checked the ohms of the speakers to make sure there not blown? Or maybe a wire in the box got knocked loose? Just things to consider

Sent from my SM-G928V using Tapatalk

 

[Boomin_tahoe 5,000+ posts]

I vote for maybe the speaker wires inside the box came lose. It happens.

Why did you return the wire?

 

[Armstrong55]

The speakers are not blown and i already checked the wires inside the box. But since the wires are 1200 watts does that mean it's too much? Should i go back to 680 watt wires?

 

[Jeffdachef 5,000+ posts]

The speakers are not blown and i already checked the wires inside the box. But since the wires are 1200 watts does that mean it's too much? Should i go back to 680 watt wires?

You are looking at the utterly wrong and useless stats.

Your amp accepts certain gauges of wire. For ex 8 gauge, 4 gauge and 0 gauge and the material its made of matters. Theres pure copper aka OFC, and copper clad aluminium, the cheap stuff. You buy wire that can maximally fit your amp thats also true AWG gauge size or bigger, not some junk wire kit advertising "watts" which is a big indicater of low quality undersized wire. Proper wire kits advertise material quality and proper thickness and does not have "watts" plastered all over the place.

Now to your issue, get access to a multi meter and an aux to RCA y splitter.

Multi meter, you can check the resistance of your ground to see if its a good or bad ground via ohm load test. Afterwards You can then check to see if there is any ac voltage current going through the speaker outputs of the amp.

The y splitter test determines of the head unit signal line is issue or if its and amp/ subwoofer wiring issue.

Rca end to amp

Aux end to phone

Play music, see sh*t works

Before you even start, are you wiring your subs up properly? Are they dual voice coils or single voice coils? If dual voice coils tell us how you wired it, series or parallel? the fault could definitely be from improper wiring methods.