A few years ago I had this amp installed in my car with four Kicker 6.5 speakers in the doors and two 10” Kicker 4ohm subs in the trunk. They wired both subs to the single sub channel, both positives on one side and both negatives on the other.

It’s time to replace the subs and I’m wondering if I should replace them with two more 4ohm subs wired as is or if I should wire them together and run the amp 2 ohm.

Any suggestions?

quote:

two more 4ohm subs wired as is or if I should wire them together

Wouldn't that be the same?

Two 4-ohm speakers wired in parallel (as you seem to be describing) is 2-ohms. What would you be changing?

I thought to run it 2 ohm you would need to go from positive on the amp to a positive of the first speaker, then run a jumper from that speakers negative to the other speakers positive and them back to the negative on the amp.

quote:

Originally posted by maddy345:
I thought to run it 2 ohm you would need to go from positive on the amp to a positive of the first speaker, then run a jumper from that speakers negative to the other speakers positive and them back to the negative on the amp.

That would be wiring in series and produce a 8ohm load.

quote:

Originally posted by silverspyder1996:

quote:

Originally posted by maddy345:
I thought to run it 2 ohm you would need to go from positive on the amp to a positive of the first speaker, then run a jumper from that speakers negative to the other speakers positive and them back to the negative on the amp.

That would be wiring in series and produce a 8ohm load.

Gotcha. Thanks everyone

The specs say the ZX700.5 for the sub = 420 watts RMS at 2 ohms

Here is some information. Beyond parallel vs. series it may be what you think sounds better and how you want to work the amp. I think you should leave the 2 4ohm subs in parallel.

Why is parallel better than series?
Two bulbs in a simple parallel circuit each enjoy the full voltage of the battery. This is why the bulbs in the parallel circuit will be brighter than those in the series circuit. Another advantage to the parallel circuit is that if one loop is disconnected, then the other remains powered.

What sounds better series or parallel?
Series sounds a bit more animated in the high mids…more chime. Parallel slightly better for deep bass. Series leans toward vox type of tones.

Does series or parallel give more power?
The power dissipated by each resistor is considerably higher in parallel than when connected in series to the same voltage source.

Which connection is best series or parallel?
While series connection is an all or none, parallel circuit connection gives you the opportunity to give the loads and the appliances their individual switch. Parallel connection offers resistance to the flow of current compared to series connection.

Are speakers louder in series or parallel?
Two speakers in series will sound a little quieter than a single speaker, for the same amplifier setting, but not very much. Although on paper the total power is halved, the ear is very non-linear to changes of level, and it will sound ‘almost as loud’, not ‘half as loud’.

What hits harder 2ohm or 4ohm?
A subwoofer with a lower electrical resistance produces a louder sound than one with a high electrical resistance, which means that 2ohm subwoofers are louder than 4ohm ones. Although louder, 2 ohm subwoofers are also more likely to produce a poorer quality of sound due to its’ power consumption.

What’s the difference between a 4 ohm and 8 ohm speaker?
A lower impedance speaker will accept more power. For example, a 4 ohm speaker will extract more power from your amplifier than an 8 ohm speaker, about twice as much. For connecting speakers in series, the impedances always add. For example, the impedance of the series connection pictured is 16 ohms.

What hits harder 1ohm or 4ohm?
1 amplifier is rated for 1200 watts RMS @ 1 ohm. If the subwoofers are wired to a total impedance of 4 ohms, this amp will only produce 400 watts @ 4 ohms. Under-powering subwoofers due to wiring them at a higher impedance than needed causes your amplifier to work harder. When amplifiers work hard, they heat up.

Is 8 ohms louder than 16 ohms?
The efficiency doesn’t have anything to do with the resistance of the speaker coil. The efficiency is the output divided by the input. Since an 8-ohm speaker has more power going through it than a 16-ohm, it will be louder than a 16-ohm (and it will need twice the power rating!).

Why is current higher in parallel than in series?
The parallel circuit has very different characteristics than a series circuit. As you add more and more branches to the circuit the total current will increase because Ohm’s Law states that the lower the resistance, the higher the current.

Here is more info
https://www.audioholics.com/lo...el-connection-basics