amp 2 ohms and speakers are 4 ohm?

Question

if my amp is 162x2@ 2 ohms stereo and my speakers are rated at 4 ohms do i just wire these up on the 2 ohms?or how do i wire them?

Answer 1

It does not matter.
If you wire them up at 4 ohms to each channel you get 81 watts per speaker
If you wire the speakers together to 2 ohms and connect it to one channel, you get 162 watts, but you have to divide that by 2 because you have 2 speakers connected to the same channel, so again you get 81 watts per speaker.

If you buy 2 more speakers and wire 2 to each channel at 2 ohms, you will double the volume. beacuse you have twice the amount of speakers getting 81 watts each.

The only way you can get more power is to buy a bigger amp or buy some 2 ohm speakers. Infinity is popular for their 2 ohm speaker selection.

Answer 2

Your speakers are 4 ohms, you ohms listed on your amp is a rating, it probably lists the wattage at 4 ohms somewhere in the manual, most likely the first or last page. Don't worry about the fact that the amp will send out less watts at the higher ohm load, the previous guy was right about your amp living a happier life. The slew rate and damping factor suffer at lower loads, basically, better sound quality at 4 ohms. There's a reason high end home speakers are 8 ohms. Also you'll have the same amount of amps going down the speaker line (volts X amps = watts [if you care, you can use ohms law to see how the resisitence of the load changes the voltage])

Answer 3

4 Ohm Speaker Wiring

Answer 4

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RE:
amp 2 ohms and speakers are 4 ohm?
if my amp is 162x2@ 2 ohms stereo and my speakers are rated at 4 ohms do i just wire these up on the 2 ohms?or how do i wire them?

Answer 5

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You are not going to damage your speakers. The AMP, on the other hand, not too sure. Most multi channel amps can handle a 2 ohm load fine. There are a few cheaper amps that are rated 4 ohm minimum per channel. If that is your amp, you run the risk of damaging your amp, and possibly speakers.

Answer 6

It's not possible to wire a 4-ohm speaker as a 2-ohm load. You'll just have to run the amp at 4-ohms per channel. This will reduce the output power somewhat, but it certainly won't harm anything; the amplifier is likely to run cooler and with less distortion with 4-ohm speakers instead of 2-ohm speakers.

This assumes your speakers are not dual voice coil subwoofers.

Answer 7

Ohms is resistance. The higher the resistance, the less the amp can put out. An amp that puts out 25watts rms x 2 @ 4ohms will put out about 50watts rms x 2 @ 2ohms, as it has less resistance.

4ohm speakers will load the amp @ 4ohms. 2ohm speakers will load the amp @ 2ohms. Amps do run hotter at lower loads and with more distortion. Also, when ran full power (lowest possible load for the amp), the life of the amp will decrease as its getting hotter.

By using 4ohm speakers, you will have better sound quality as well as longer amp life. Have Fun!


BTW For most 2 channel amps (as not all are bridegable and not all have the same load capabilities):
4ohm stereo(x 2) = 8ohm bridged mono.
2ohm stereo = 4ohm bridged.

Full power = 2ohm stereo(4ohm bridged).

Answer 8

it depends on how many speakers you have. if you have two 4 ohm speakers then you can wire it one of two ways. the first would be 2 ohm stereo. take both positive speakers wires and both negative speaker wires and put them together on the positive and negative channel of either the left output or the right output. the other way would be 4 ohm stereo. take the positive and negative of one speaker and put it on the left channel and take the pos. and neg. of the other speaker and put it on the other channel.