Question about DHD NTX-2004 Car Audio Amplifier

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How do icoonect high input, especially the ground wire

How do i connect the high input from the car stereo to the amp? cant figure out the ground.

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Hello admiralebail,
Here is the link to DHD's web site: www.dhdusa.com. Their web site does not show a download page or even a support function. Not even an email address. They do list their snail mail address and phone number, though. My recommendation is to call and see if they will send you the manual.
Hope this helps.

Posted on Apr 21, 2009

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Jet sound equalizer js 214 wire color code


Black wire is ground, Red with 5a fuse is hot. Green/black is L Ground BTL, Grey /black is right ground BTL, the RCAs are left and right low level inputs. Then there is the 5 pin connector. It has a red wire for +12v, two black wires for input grounds, a green wire for left Hi input and a gray wire for right high input. If you install using traditional common ground high level, then you don't used the two BTL wires. Just connect the wires from your 5 pin connctor. If you use the low level RCAs for inputs, then you only need to connect the red and black from your 5 pin connector.(Plus the main red and black) Make sure the switched on the bottom of your EQ are set correctly. COM for common ground and LOW for RCA input or High for Green/Gray wire input. If you are using a floating ground the select BTL and connect the two BTL wires to the floating grounds of your stereo. There is also a line input adjuster so you can adjust your input sensitivity to match your reciever. I have the owners manual if you have any other questions.

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Feb 01, 2012 | Car Audio & Video

1 Answer

Amplifier has a phone jack for remote. Stereo has a blue wire for remote. Do these two need to connect to each other, or can I just run a phone cable from the amp to a remote switch mounted up front. ...


No. That port is for your gain(volume) control switch for the amp(it should have been included with the amp). Connect the stereo's blue remote wire to the amp's remote input that's next to the batt. input and ground input. Here's a link that showed me the pics plus a pic of the switch with the phone jack cable. Copy and paste. Good luck. http://www.sonicelectronix.com/item_2553_Volfenhag-ZX-8300.html

Jul 25, 2011 | Volfenhag ZX-8300 Car Audio Amplifier

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How do i hook a numark tt 1625 turntable to a regular home stereo amplifier...does the ground need to go into anything specific?


Turntables require a special input in the amp (usually marked PHONO) because they require high gain and different equalization - and yes, that ground wire has to go to ground unless you want to get a super annoying 60Hz hum from it!
If your amp doesn't have a phono input, you're going to have to go out and get a phono pre-amp and connect it between the turntable and the amp.
Best of luck!

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How do I hook up the two stereo output RCA wires ( 1 L & 1R ) to the EQ input wires that are green/green&white & grey/grey&white?


you will only be able to control 1 pair of speakers, you can try an inline converter. always buy a stereo with 3 preouts especially if you plan on using equalizers/amps ect

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How do i connect a kenwood amp to my 2003 bmw m3 with a stock hk system and head unit? i just need to kno where to connect the amp to the car radio


You will need to connect your speaker outputs from the head unit to the high power inputs on the amplifier. If the amp only has low power inputs(rca jacks) then you will need to get a device that lowers the output signal from the radio so the amp can be connected. The red wire will go to the switched power. The yellow will go to constant power. Black goes to ground. Now the blue wire is the signal the amp gets from the stereo to turn on. Your stock stereo will probably not have this ability so you will have to hook that wire to the switched power. Your amp will come on whenever the key is on...even if the stereo is off. If your stock stereo has a wire that sends out a power signal when it is turned on you could try that for the blue wire. Just make sure you have the negative battery cable on the car disconnected so you don't short out your vehicle's electrical system while installing the amp.

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1 Answer

Cant figure out what all the wires go to


Most car stereos have wiring for power, ground, speakers and amps/accessories, if you do not have an amp or fewer speakers you will not use all the wires, look in your manual or look on line for a wiring diagram to see what all the wires go to. Your main wires will be main power (usually Red) Back up power (for memory usually orange or yellow) a ground wire (usually Black) and speaker wires.

Aug 21, 2009 | Kenwood Car Audio & Video

2 Answers

Car stereo pre-out signal noise


Two things, a ground loop isolator in-line with the RCA's between the head unit and the first amp.....also a noise reducing capacitor ( $5 or$6 at an auto parts store) on the alternator 12v post will reduce or remove the hum.

Mar 29, 2009 | Pioneer KEH-P3700 CD Changer

1 Answer

Legend Amp hook up manual.


Pretty Straight Forward get a 8 or 4 gauge amp wiring kit.

Run your hot wire to the +12V from the battery make sure to install the supplied inline fuse near the battery don't connect to the battery until installation is complete.

Run the REM to your stereo power ant. Wire. if available.

Run the GND to Metal Chassis Ground keep it as short as possible.

Run the RCA Cable from the back of the Stereo to the RCA Inputs or Low Level on the amp.

This amp is 2 Ohm Stereo Stable which means you can connect 2 (4 ohm) speakers in parallel to each channel or 1 (4 ohm) speaker on each channel or you can connect 1 (4 ohm) Speaker in bridged mode.

There are other speaker configurations you could use but you cannot drop the load below 2 Ohm in stereo mode and no lower than 4 ohm in bridged mode.

Hope this helps


Mar 25, 2009 | Legend LA1490 - American Legacy Series 2 -...

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Cant figure out where to connect the remote wire to


The Remote Wire Connects to the Blue Wire From the Stereo If you have an Aftermarket Stereo. This will control the Amps Power with the Ignition Start and Accessory Positions.

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Wireing


I believe that this model Sony amp includes High Level inputs. Those allow you to connect the normal speaker wires coming out of the factory stereo to the amp. If for some reason it doesn't include the inputs you can buy a high level to low lever converter that will give you rca from the factory unit.

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