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submitted 8 months ago* (last edited 8 months ago) by MD756@lemmy.world to c/buildapc@lemmy.world

My MSI MAG Z790 motherboard supports rear channel speakers.

If I were to mount a pair of speakers behind me, that would require approximately 15 feet (4.5 meters) of speaker wire from my PC to the speakers. Do I have to worry about the AUX port’s power output if I were to use 18 or 16 gauge speaker wire?

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[-] Telorand@reddthat.com 3 points 8 months ago

8Ω is pretty low impedance. By comparison, the Sony MDR7506 is 63Ω, and they work just fine with the amp built into my mobo at only 10%.

Are you sure?

[-] glimse@lemmy.world 5 points 8 months ago* (last edited 8 months ago)

I'm pretty confident but not 100% sure, I'm on my phone and only skimmed the manual.

Impedance isn't the issue here, headphones are completely different - their tiny speakers need significantly less power to drive them. I don't think the motherboard is capable of moving the cones in the speakers OP linked

The giveaway here is the inputs - your headphones have an aux (or 1/4"?) input and these speakers have speaker wire inputs

[-] Telorand@reddthat.com 3 points 8 months ago

I mean, you can always solder a 1/8" stereo connector onto those wires, but the point about wattage isn't something to be ignored, and I forgot that.

Thanks!

[-] glimse@lemmy.world 3 points 8 months ago

I did some wacky cable conversions when I worked in the field but it was usually just to extend line level

Analog audio is fun lol

this post was submitted on 10 Jan 2024
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