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Subwoofer pops I Have aRCA RT2870-a Home Theater System. is their aney way to buy pass the subwoofer control. so i can huck up 2 subs in a box to it.

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  • ricky shelton
    ricky shelton May 09, 2014

    Their is a screw on the bottom beside the Subwoofer control that gos to the case wrap a wire around it and put it on the + subwoofer wire and plug it in

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  • RCA Master
  • 74,251 Answers

No It is not possible.

Posted on May 09, 2014

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Powered subwoofer amp repair? On and off works fine.. very weak signal to sub. All wires checked and working fine.


For starters, it is a home theater in a box. With that being said, highly consider upgrading before spending more money on the system. If thats not even an option, have you tried adjusting the level of signal being sent from the receiver out to the sub? It sounds stupid, but this is often over looked and can sometimes be tricky depending upon the type of receiver you are using, to adjust the level being sent to the sub... Typically when a subwoofer has little to no sound, this is the issue. Also, is the sub powered (does it have its own amplification using a power cord that plugs into an electrical outlet? If so, does it have a volume knob on the back, and does it respond when turning the knob? If its not powered, than your problem is what I described above, unless you've already done that. If that is the case, your speaker is fried... Hope this helps

Jun 19, 2014 | Cerwin Vega CMX 5.1 Home Theater Package...

1 Answer

Subwoofer not working


The subwoofer is normally the main power supply for the other speakers. When setting up the system, there is a set up guide which allows you to control the power supplied to each speaker. You may have inadvertently set the subwoofer to have 0 output.

Nov 10, 2013 | RCA RT2870 Theater System

1 Answer

How to connect the RT2870 to the pre amp out ?


Since the RT2870 doesn't have and preamp outs, to WHAT are you referring?

Register and download the manual for free at retrevo.com

http://www.retrevo.com/support/RCA-RT2870-Home-Theater-Systems-manual/id/23608dj493/t/2/

Any external device that provides a fixed or variable (preout) Line Level signal could feed either of the RCA

Mar 30, 2011 | RCA RT2870 Theater System

1 Answer

I'm having a problem with my RT2870 RCA Home Theater System. When I plug a USB turntable into the USB slot, it will not recognize it. It does however, recognize MP3 players that have a USB slot. Can you...


That's because a USB turntable is a bit higher up the compexity foodchain than a USB drive with files already on it. The RT doesn't support anything but USB devices that mimic storage devices.

Register and download the user guide for free at retrevo.com

http://www.retrevo.com/support/RCA-RT2870-Home-Theater-Systems-manual/id/23608dj493/t/2/

Mar 05, 2011 | RCA RT2870 Theater System

1 Answer

I have an rt2870 and am just wondering where i connect the yellow subwoofer cord to the TV at, and i set my tv setting for the surround sound


You shouldn't connect the subwoofer to the TV. Just connect the Right and Left audio cables (red and white RCA plugs) to the TV audio out and then the other side goes receiver's audio in. If you are using the subwoofer that came with the unit, connect it to the sub port (purple and grey or black striped). The red and black striped cable goes to the subwoofer control.

If you are using another active subwoofer, connect it to the RCA jack labeled Subwoofer Audio OUT.

If you have a 3-plug RCA cable that is a composite video cable. The yellow plug carries the video, the red and white carry the audio signal. This cable is most often used for connecting older VCRs and game systems to a TV (or newer devices to an older TV). Thus leave the yellow jack dangling if using it for an audio cable.

Set your TV to use the external audio speakers and the receiver will take care of the signal to the subwoofer. (You only would connect the speakers individually for a computer sound system.)

I hope this helps.

Cindy Wells

Sep 19, 2010 | RCA RT2870 Theater System

1 Answer

I need more treble


It looks like there are no user controls for tone.

The User Manual says:

Fine Setting of the Speakers
All the basic settings have already been pre-set for the speakers included in the box.

May 29, 2010 | RCA RT2870 Theater System

1 Answer

RCA RT2870 home theater system 'welcome' screen


Well, I just returned the unit. RCA replied with the following solution:
Let the unit sit with the AC power cord out of the wall for a couple of
hours. Then hit the power button 10-15 times (with the AC power cord still
out of the wall socket!) and then try again.

Oct 02, 2009 | RCA RT2870 Theater System

1 Answer

When I turn my unit on, it will turn itself off in a few second.


have you checked to see if any of your speakers are shorted out? the rt2870does have a self protection system in place such that if theres too much power being drawn from the system or if a short occurs it will shut off. or the switch that powers the sub may have gone bad so try disconnecting the sub and see if that helps. i have the same system and i had the same problem and i had to replace the onboard sub-woofer power switch.

Mar 15, 2009 | Audio Players & Recorders

1 Answer

Rca rt2870 doesn't work


My RCA model #RT2870 subwoofer doesn't work but the sub light is on... HELP!!!

Jan 18, 2009 | RCA RTD260 System

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