Question about DHD NTX-2009 Car Audio Amplifier

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Does dhd have tech support my speaker connect broke off inside

My amp became loose in my trunk and hit something causing the speaker connection to break off i thought someone robbed me cause i got in my car and didnt hear nothing bumpin in my trunk lol ......

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Yes they should have techinal support it should be on the back of your amp. If you open up amp soder a 12 guage wire where the terminal used to be. Thats what i did and never had a problem. hope this helps

Posted on Jan 13, 2009

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I have a Memphis power preferred amp it was working this morning stoped working riding i checked it the fan is running but the pretect light is on and the power light is blinking and when it blinks the...

Try checking your ground connection. It should be as large as your +12V connection and should run directly to your battery. The chassis ground will cause lots of interference and
is not always reliable due to all of the bolted together parts which can get loose andelectrically nloisy.

Jan 27, 2015 | Memphis Car Audio & Video

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Dropped me a red flashlight.The problem is ?

Disconnect all speaker connections and rca cables. Leave power, ground and remote wires intact. Try turning on again. If you still have a protection light your amp is faulty. Hopefully you have warranty. Time to get yourself an old school Lanzar Opti Drive amp .A thumbs up would be greatly appreciated if this answer is helpful to you. dropped-me-red-flashlight-problem-shonxoarcym4awy4zl1imx4o-2-0.jpg Lanzar

Jun 26, 2011 | Lanzar Vibe 530 Car Audio Amplifier

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Wanting to wire 2 dual 4ohm speakers to the amp do i use 1 channel or both?

Hi, the amp is stable down to 1 ohm per channel, so use both channels--one per speaker.

Feb 27, 2011 | DHD US Amps Xterminator XT-4000D

1 Answer

Hit bump and subs and amp wont work

Loose wire or connection is causing stereo to short out, Check all connections including amp,Stereo,Speakers and make sure nothing is touching places it shouldn't

Jul 29, 2010 | Jl Audio Class D E1400D Car Audio...

1 Answer

100 watt dhd amp wont turn on

If it's an aftermarket stereo, there's a small blue wire (accessory/antenna) that goes to the amp. So in essence, you have the large cable going to the battery that powers the amp. However, the small power wire going into the amp tells it when to turn on, by the stereo.

Mar 09, 2010 | DHD NTX-2004 Car Audio Amplifier

1 Answer


How do you have it wired now?

Impedance of each voice coil?

Number of voice coils per speaker?

Nov 03, 2008 | DHD NTX-2008 Car Audio Amplifier

2 Answers

Amp keep blowing the 20amp fuse

There seems to be a short circuit inside your amplifier. It could be one of the amplifier mosfer/transistors or a diode that is connected nearby the power input.

May 06, 2008 | Alpine MRP-T220 Car Audio Amplifier

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The ZR series amps had several problems that could be an issue for your amp. The modules failed and caused intermittent problems. If you know someone with a similar amp, try to borrow their module. The solder connections on the vertical board (the one the module pluges into) develops cracks in the solder connection where the vertical board connects to the main board. The amps have a fuse that is connected in series between the input RCA shield and the secondary ground. This fuse can be blown by shorted speaker wires (shorting to chassis ground). It's a surface mount fuse that's under the main board. Virtually all of these should be checked and/or repaired by a qualified technician. There is also the possibility that the head unit is damaged (assuming the head unit is connected directly to the amp). If the shields for the RCA jacks are open, it can cause the same problems as when the shield fuse opens in the amplifier. To check the shields of the head unit, you unplug all of the RCA cables from the head unit and measure the resistance between the shield of the RCA output jack and the case of the head unit. There should be no more than ~1-2 ohms resistance between any of the RCA output jack shields and the case. If there is significant resistance or it's open, the head unit needs to be repaired.

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1 Answer

Dhd ntx 2009

With two 4 ohm svc subs and a 4ch amp the best way to hook it up is as you have described. There is no way of wiring it to get a lower ohm with your set up.

Aug 28, 2007 | DHD NTX-2009 Car Audio Amplifier

2 Answers

POssibly Blown amp? Please help

disconnect all power cables.make a short between terminals G&P G&R then try amp without any speakers connected.

Jan 06, 2007 | Infinity Reference 7541a Car Audio...

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