I just put a sony xplod 12" sub anx a 600w sony xplod amp and a jvc head unit. There is barely any bass coming from my sub. Does anyone know what it could be? Thank you

 

Is the amp a mono? Do you have it bridged? Another thing to check is see if you can borrow a friends sub and hook it up the exact same way you have yours now. If you have the same results it's most likely how you have the sub connected to the amp. Double check all your connections to make sure everything is secure. A bad connection can cause it too. I'm assuming you have tried tweaking the settings on the amp and deck. If you haven't try that. Hope this helps and let us know what you come up with.

 

Its a 4/3 channel and it says:
Rated power output 60w x 4 (4ohms)
Max power output : 600 w (2 ohms)
Low pass filter (80hz, 18db/oct)
High pass filter (80hz, 12db/oct)
High level sensing power on.
Ive never hooked one up until this one so im sorry for sounding stupid but how dp you bridge it? Is this how? 1. Put the positive wire into the Back Left Positive
2. Put the negative wire in the the Back Right Negative
It kind of shows you. Also will bridging it give it more bass because right now there is barely any more bass than stock.

 

With a 4/3 you aren't going to get as much base as a mono. What I mean by bridging is if you have 2 channels on the amp, in your case 4, you hook up one of the wires from the sub to the positive on channel 1 and the other wire to the negative on channel 2. A mono amp is going to only have 2 channels. I'm not sure how it works on a technical level but if I understand things correctly it's better because you don't have power running to channels you aren't using.

Essentially on a 4 channel amp with a 600w max output you're only getting 125w to each channel. So basically by bridging it you're getting 250w to your single sub vs. the 125w you'd be getting if it were running on 1 channel. The sound is also going to depend on the sub itself.

My advice is scratch the amp altogether and get a better mono amp.

And someone please correct me if I'm wrong about any of the technical stuff. I'm pretty sure that's how it all works, but it's been a long time since I was really heavily into sound systems.

 

Not exactly.




We would need a model number for the amp, although a 4x60W amp is a starting point, it is a Sony xplod 4ch amp it can be wired as a 4ch, a 3ch or a 2ch amp.
If you are using it to just run the sub, it is the wrong amp for the job, for sub bass a mono block, [1ch] sub amp would be best, but any amp could be used.

Unless we know the model of the sub and the type of box the sub is in, there is no way to know if this amp will work properly, max RMS wattage will be 120W RMS into 4 ohms bridged, [using two of the four channels of the amp bridged into one channel] leaving you with two extra channels.

We need to know the model number of the sub and the box it is in, [sealed or vented and size of box]

Other things come into play also, gauge of power and ground cables for the amp, where power and grounds are connected and how, type and size of fuse used in power lead, settings on the amp, settings on the HU and so on. 94