What would cause a subwoofer not to work?

The most common cause of speaker failure is short-circuiting. A short circuit in the wires providing the signal will prevent the signal from ever reaching the subwoofer. A short circuit at the terminals on the subwoofer will also prevent electrical current and signal from reaching the subwoofer.

How do I get power to my subwoofer?

How do I know if my subwoofer fuse is blown?

Subwoofers are blown when they either receive too much power or too much of a distorted signal. You can find out if your subwoofer is blown by listening to the sound, reviewing the movement of the woofer, and using a multimeter to find out if the coil is blown.

Why is my amplifier not getting power?

If the remote turn-on wire doesn’t have power, your amp won’t turn on. … If it doesn’t, check for any inline fuses and verify that the wire isn’t loose, corroded, or shorted out somewhere. If the remote and power wires both check out OK, the next thing to look for is continuity on the ground wire.

How do you power a subwoofer at home?

How To Power A Car Subwoofer At Home?
  1. Getting A Power Inverter. The first step is to purchase a power inverter. …
  2. Connecting The Car Subwoofer To A Car Amplifier. …
  3. Connecting The Car Amplifier To The Home Amplifier. …
  4. Connecting Other Speakers. …
  5. Connecting The Power Inverter.

How can I power my subwoofer without an amp?

Hooking Up a Subwoofer Without an Amplifier

Start the installation process by removing your speaker from the mounting dock, giving access to its wiring. Mount your subwoofer in your preferred location. Next, reroute the stereo and power supply cables to the subwoofer and connect them.

How do I know if my amp is bad?

Bad Ground on Amp Symptoms
  1. Overheating. …
  2. Clipped Sound Signal. …
  3. Unable to turn on. …
  4. Restarting all the time. …
  5. Whining noise. …
  6. Fire/Burning.

What happens if speakers don’t get enough power?

If you don’t have a powerful enough amplifier to reach the volume levels you want, you can damage the speakers by feeding them too much high-frequency energy by driving the amplifier into clipping. It’s the extra power in these harmonics that damages speakers.

How do I know if my amp is blown?

Will amp turn on if fuse is blown?

If the fuse is present and blown, the amp can’t turn on because the circuit providing mains voltage is open. Simply replacing the fuse may or may not solve the problem.

How do you ground a subwoofer?

The best way to ground your car stereo components is to run a 10 or 12-gauge wire from the amp, and 12-gauge from all other components, such as head unit and active crossovers, to a central location. Then run a single ground to the best source of ground, the negative terminal on your car’s battery.

What can damage an amplifier?

Loosely screwed speaker wires (red and black wires) whose ends touch while connected to the amplifier can destroy the transistor. This will cause the amplifier to get damaged. Also, touching one loose hanging speaker wire to another wire can damage your amplifier.

Where is the amp fuse located?

How can you tell if an amp fuse is blown?

Remove the fuse from its holder. In some cases you may need a small screwdriver to unscrew the fuse holder cap. Look at the fuse wire. If there is a visible gap in the wire or a dark or metallic smear inside the glass then the fuse is blown and needs to be replaced.

Why does my amp have power but no sound?

If the car amp has power but not sound in the amps, you can check its input connected to the head unit. Check the RCA cables that connect the amp to the head unit. … Therefore, if they are disconnected or plugged in the wrong ports, the amp will power up but will not play.

Where is the fuse in a subwoofer?

Fuses for subwoofers can be located in-line with the subwoofer wires, within the speaker enclosure, and if there is an amp dedicated to the subwoofer, the fuse could be located there. In-line fuses can have different looks.

Where do you put the subwoofer fuse?

What amp fuse do I need for subwoofer?

The correct size of fuse to use depends on the amp you are wiring. If your amp has an internal fuse, then your inline car amp fuse should be a bit larger. For instance, if your amp has an internal 20 amp fuse, then you should go for a 25 or 30 amp inline fuse.

What does a blown subwoofer sound like?

Listening to the sound

First, reduce the sound to a low volume and commence audio playback. Increase the volume and bass slowly, all the while paying extra attention to the sound. If it is distorted, you subwoofer is partially blown subwoofer and if there is no sound at all, it is definitely completely blown.

How do you change a speaker fuse?