Question about Polk Audio DSW MicroPRO 4000 Subwoofer Speaker

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I unplugged my rca cables from micropro 4000 and it made a loud boom. Now it no longer puts out any bass. I pushed on the sub and it feels good. The sub powers on just no bass.

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Open the case and check the resistance value of the actual speaker - should be around 8 ohms. If it doesn't get a reading, then it's bad.

Posted on Jan 01, 2011

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How can i get most out of 12 pro jensen and wats the best kind of box to put it in ?


For a sub like that if yo want loud bandpass , That would require the least amount of power and good boom. Are you building it yourself or buying pre fab?

Jul 28, 2012 | Car Audio & Video

1 Answer

Micropro 2000 has power but has no sound even for test tones. No test tones. What is it?


This could be either a source or a sub problem.

The missing piece to this puzzle is the source identity and setup. Is IT set up correctly for a subwoofer?

If you want to test the sub by itself just temporarily feed one of your FRONT speaker outputs directly to its Speaker IN connectors.

... Or ANY device or source you have can be directly connected to its RCA Line In. BE WARNED - IF IT WORKS IT WILL BE LOUD

Register and download the manual for free at retrevo.com

http://www.retrevo.com/support/Polk-Audio-DSW-microPRO-2000-Subwoofers-manual/id/23015dj593/t/2/

The unnamed elctronic source will have a manual, too. Use it to troubleshoot.

Jul 08, 2011 | Polk Audio DSW MicroPRO 2000 Subwoofer...

1 Answer

Amp is pulsating the subs uncontrolably, maybe its not hooked up right? its a kicker kx800.2 with a cap ooked up to 2 12 mtx audio subs....any ideas?


Hey make sure your ground is good. i had a problem like this befor and it was when i hooked the rca's in it would be pumping out bassing staticy noise and i had no acual ground hooked up took the screw and moved it to scratch the paint and Boom the real Bass came in. ....i thought it was grounded but it was not.

Jan 10, 2010 | Kicker KX800.2 Car Audio Amplifier

1 Answer

Bare wire sub to single RCA jack receiver


Yes you can modify RCA cables to make bare wire tails.
If the unit has a sub o/p then you just connect up your sub bass unit to whatever the amp needs.

An RCA cable is 2 wire which is all you would normally need for sub bass speaker level signal.
It may be a good idea to eventually upgrade the wire size if you want really good sub bass as lower frequencies draw more current and so require more copper.

Please let me know if this any help, thanks for using FixYa.



Sep 20, 2009 | JVC RX-554V Receiver

1 Answer

Remote bass control short


It Could be Eiher Problem Make Sure The Remote our using is thew same brand as the amp its plugged in to

May 27, 2009 | AudioBahn A4002T Car Audio Amplifier

2 Answers

Subs not as loud as they should be plz help


RCA output level and speaker level output have different voltages and currents. The problem you are describing is common to folks trying to connect an OEM dash unit to an aftermarket amp. If your amp has speaker level inputs, try wiring to those......best bet..buy a new head unit, it'll sound better...louder and cleaner.

Mar 11, 2009 | Kicker IX404 Car Audio Amplifier

3 Answers

Subwoofer makes a loud bass machine gun noise when powered up


Well, I have the same problem and I would think it has something to do with the RCA-connections. If I power up my head unit while I have my main fuse for the amp's removed and then replace the fuse as the head unit is already playing music (thus putting out a current through the RCA-connections) it works just fine. But if I just power up my stereo with the fuse in, my subs go all crazy. I guess it has something to do with disruptions in the rca cable. Maybe they are drawn too close to some power cables or speaker cables? Good luck!

Feb 12, 2009 | Alpine IDA-X300 Car CD/ MP3 Player

1 Answer

Constant sound from subs


I Had the Same Problem I just unplugged my amplifier changed the fuse, also i had a fuse in the battery cable and changed that, unconnected the RCA wires and plugged them back in and then put new fuses in and plugged everything back into the amplifier and it worked again. If that doesnt work get back to me i will try to help you.

Jan 09, 2009 | MTX RT2200 Car Audio Amplifier

1 Answer

THUNDER 5601 WHEN VEHICLE TURNED ON, SUBS BOOM, THEN WORKS OK. ALSO WHEN RADIO TURNED OFF


If the amp produces no boom with no signal input cables connected, I'd suggest using an LOC.

Let me know if you have any other questions.

Sep 30, 2008 | MTX Thunder 3401 Car Audio Amplifier

1 Answer

BOOM BOOM BOOM


The Bose engineers in their "infinite" wisdom developed a $300 radio with no, that is NO, tone control. This means the only way to tune bass response is to reposition the Wave radio itself. If you put it in a corner of a room, it will produce the most bass. If it is only against one wall, not so much bass. To reduce bass response to a minimum, you would have to suspend the device from a wire in the middle of the room. Good luck. I would never buy a radio without a tone control; I literally inherited by Bose Wave Radio and use external speakers which do have tone controls.

Jun 10, 2008 | Bose Wave Radio

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