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Converting 2 channel amplifier to 2.1 amplifier

I have a two channel amplifier.
i need to atach a subwoofer to it and make it a 2.1 amplifier. how can i do it? please help me sir.

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  • WINSTONWILKO Jan 02, 2009

    Have a 2 chael 4 speaker denon dr 68 with 8 inc cieling speakers run thru a niles control want to add a powersub with posts.

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It is not availlable to do such convertion.

Posted on Jul 08, 2008

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You don't say if your 8 speakers are in the same or different rooms. Let's assume the same room. You also don't say what the Niles control is, so I assume it's a speaker selector.

Usually a speaker selector will have the speaker wires from the receiver go to the inputs of the selector and the 8 speaker connections on the outputs. If the speakers are in the same room run the speaker connections to the sub's speaker level inputs first, then take the speaker level (satellite output) to the switch.

The sub will split out the bass portion of the signal and send the higher frequencies to the satellites (ceiling speakers).

If the four pairs (8 celiing speakers) are in different rooms a subwoofer will be required for each room. For this configuration you would run the receiver's speaker output to the switch. This provides full-range sound to each room when selected.

In each room, instead of going to the ceiling speakers first, connect the wires from the niles switch to the sub's speaker-level input, then from the sub's speaker level output to the ceiling speakers. This configuration would require more subs. One option is to terminate each of the niles speaker output in each room to a wall plate (L and R). On the same wall plate have connections to the ceiling speakers (L and R).

Whenever you want to listen to music in a particular room, take the sub to the room, run the cables from the walljack (niles connections) to the speaker level inputs of the sub, then connect the sub's speaker level outputs to the walljack's connection to the ceiling speakers. This should be more cost effective.

Posted on May 13, 2009

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Posted on Jan 02, 2017

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