Q&A for How to Power Two Speakers with a One Channel Amp

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How do I add rear surround speakers to my stereo receiver if it only has connections for 2 speakers?

Community Answer

A stereo receiver will only play stereo (two channels) no matter how many speakers you hook up. You have to have a surround sound system to have rear speakers that actually work properly.

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Question

How can I connect 2 8 ohm speakers so they remain 8 ohm?

Community Answer

The best way is to wire them in series, but make sure that you have a powerful enough amplifier to power them, with an output rating of 16 ohms or more.

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Question

How do I add subs to a Sony surround system?

Community Answer

Your amp probably has a line level (like a headphone jack) sub output, so you can just buy any active subwoofer and plug it in through that.

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How do I add two speakers and a subwoofer to a two channel amp?

Community Answer

You can't connect a subwoofer if there isn't any jack for it. Try to find if there is any output for adding a subwoofer in your amp.

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Question

Can I hook up 2 speakers to one channel?

Drew Hawkins1

Community Answer

It depends on the impedance of the speakers, or the electrical load the speaker puts on the amp. Check the back of the speaker unit or box to look for the number of ohms listed. Then, check the back of the amp to find its impedance range. If the sum of both speaker's impedance is within the range of the amp's, then they can be connected.

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Question

How many watts is a 4-ohm speaker?

Drew Hawkins1

Community Answer

A 4-ohm speaker with an ideal amp has a maximum output power of 200 watts. A 16-ohm speaker has a maximum output power of 50 watts. However, the number of watts a speaker can put out is affected by the amp that powers it.

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Question

Are more watts better for speakers?

Drew Hawkins1

Community Answer

Not necessarily. Many speakers don't need more than a few watts to sound great, and most listeners won't notice if a speaker has more watts. Higher wattage usually means lower distortion, but you can still have speakers that produce a great quality sound that's also low wattage.

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Question

How do I connect 2 speakers, tweeters and a subwoofer to a one channel amp?

Community Answer

Buy a new amp, at least a 2+1 channel so you can hook up the sub. Then wire two pairs on speaker+tweeter in parallel.

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Question

Would there be issues connecting ten 8 Ω (Direct) ceiling speakers in a series into an amplifier that has a total impedance of 83 Ω?

Community Answer

It should do fine, 8 * 10 = 80, 3ohms to spare. You can always connect 5, and test the max output volume, and later compare to ten.

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