Question about Crunch BlackMaxx BLX2000D Car Audio Amplifier

3 Answers

Amlifier not working

Hi,I have Pioneer DEH1530r and I just bought amp Crunch mxb2175 and Pioneer sub. I connected all wires( power lead to + battery, RCA 2 cinch, black earth lead) but amplifier green led never started on. I didnt connect remote turn on lead. I really dont know what to do, please help me. Thank you, Daniel

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  • Anonymous Nov 19, 2007

    The remote bass gain on the driver seat broke, and I need another switch, what should I do?

  • Michael21 Nov 19, 2007

    The switch under the driver seat, near the brake and gas pedal broke as I was trying to turn more bass up. I went back to Future Shop to see if they can fix it, they told me they can't help me, and they have no switch replacement. They then lead me to this site and buy a new bass gain switch, I tried calling your number on this site for some help but it doesn't work, and says the number does not exist. 1-800-225-5689, if this is not the number please refer me to the right number so I can contact someone to help me. Thank you, sincerely, Michael

  • robbiejoe Apr 11, 2008

    i hooked it up and it powers up ut no sound i have a good amp kit cause it works my rockford 1800 watt the protection light isnt on

  • sm007 May 23, 2008

    what do i connect the remote turn on llead to, my old sub never had this function. and what will happen if i use a 10 or 8 guage wire on the amp instead of a 4 guage.

  • Anonymous Mar 24, 2014

    cross over and amplifier not turning on untill rca's are pluged in

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3 Answers

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Your amp remote turn on lead supplies a tiny amount of voltage to your amp letting it know to turn on. if you never hooked this wire up from your receiver to your amp, of course it wont turn on.

Posted on Jul 13, 2008

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With my JL e1800d i have all of the wires connected and my green LED will not turn on. This just happened recently it is a powerful amp and i dont want something else if this is something that i can fix. please help me

Posted on Oct 05, 2007

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  • 18 Answers

Connect your remote turn on and your problem will be solved

Posted on Oct 04, 2006

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Posted on Jan 02, 2017

imseth85
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SOURCE: Red LED "Protection Light is on" What is the problem

The red light means the amp is in protection mode. A few things can cause protection mode..... First disconnect the subs completely from the amp, and turn it on, if it powers up you have blown subs. Also try checking the main power wire at the battery...sometimes the current your meter is seeing is backfeeding from the remote wire, so your main power line could be blown at the fuse under the hood. hope this helps

Posted on Aug 06, 2007

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SOURCE: Hooking up system using HI-INPUT amp wires.

This may sound dumb, but are there any other inputs left on the amp? Most amps that i have worked with have a special set of inputs for high input. (by high input you mean speaker level right?) If those exist the obvious answer is to use those. They should be labeled, so just hook them up according to them. You may need a special adapter from the amp manufacturer. If you dont have any high level inputs or any not broken inputs left you have two options. You can either A: junk the amp or B: open it up and solder new connectors back on. (it sounds harder than it really is. There are four large pieces of metal to solder onto the board for a set of inputs)

Posted on May 27, 2009

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1 Answer

Crunch 2000.4 car amp, need help tuneing


re-check the speaker connections are correct and use a matching ohm test speaker on the other connections for a sound check. Sounds like hi frequency output into the sub amp. Sub-woofers are a mono signal!!

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Subs make one very loud bang when car starts i have a kenwood kdc 528 deck and 2 pioneer 12in subs an amp


Hook it up properly to the deck remote on wire ,(Dude) End stay off the (Drugs)

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Is there a wiring diagram for the nikkai EAPA450 Amp


Hi, if you still need a photocopy of instructions email me mail@srands.co.uk

If you want instructions in brief this involves POWER CONNECTIONS, PHONO LEAD & SPEAKER CONNECTIONS:

POWER (At the same time when routing these wires, I would connect the PHONO LEADS from the car cd player to the amp, if your car cd player only has 1 preout (1red & 1 white) then you will need two phono splitters, a female to 2 males. Phono leads carry the unamplified sound from cd player to the amp):
~ Permanent 12V+ (Thick lead that is fused direct from battery all the way to the amp, wire must be 20a to 30a +, hence 1cm diameter wire, known as AWG8, Maplin sell cheaper kits then most)
~ Amp REMOTE (A thin insulated cable (5a is OK) from car cd player amp remote wire, this turns the amp on when the cd player is on, if your car doesn't have an amp remote wire, suggest nearest ignition supply or seperate switch that you turn on when you want to turn on the amp)
~ GrouND 12V- (Insulated lead (20a to 30a) to nearest part of unpainted car chassis such as interior panel screw hole, instead of an insulated cable all the way from the batery, this is common practise.

SPEAKER:
Each speaker has a - negative & + positive, these must connected correctly. The amp has 4 channel, 2 channel labeled as front, 2 channels labeled as rear. Using speaker wire, connect cable from amp to speakers. Note: Ensure the speakers being connected only receive sound from the amp (Not cd player as well, as would damage players or at the very least impair sound)
The amp has a feature called bridgeable this means a sub 8" or 10" sub can be powered by 'bridging' two channels. For example there are 2 ways to bridge power a Sub on the NIKKAI EAPA450:
i) Sub speaker wire positive + to channel RL and Sub speaker wire negative - to channel RR.
OR
ii) Sub speaker wire positive + to channel FL and Sub speaker wire negative - to channel FR.

Switches:
~ Bass boost, meant to be on for a channel if using sub, otherwise off.
~ X-over mode adjust hi/lo frequencies, only work if both x-over switches are on! Then adjust switch frequency knob, until it sounds right.
~ Gain (Volume knob) adjust volume knob up or down, until it sounds right!

NOTE:
You will need patience! many hand tools and parts such as: Wiring kit, fuse holder 20a/30a, Phono leads, speaker cable, Fork/ring connectors, wire strippers, wire cutters, set of screw drivers, also ueful to have zip ties to tdy excess cable and 'P' cable clips to tidy speaker wire to shelf, etc.

OK

Any more questions just email me mail@srands.co.uk

Dec 01, 2009 | Car Audio & Video

1 Answer

SUBS WONT TRUN ON


Hello fresttadefjm,

There are no subwoofer settings on the Pioneer DEH-2800MP.

You need to check the external power amplifier and the connections from the Pioneer and from the sub(s). If everything is plugged in and wired correctly, check the amp fuses, both on-board and the main power fuse (located in the amp positive lead usually near the vehicle battery).

Hope this helps.

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1 Answer

Pioneer 800w mono issue


It can be many things it possible the amp cannot handle the 4 ohm load and simply goes into power protection mode. Also make sure your using the correct gage wire to run power from your battery to the amp to thin and it wont have enough power to perform.

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1 Answer

Sub woofers and amp


first of all is the amp a four way amp? if so then you need to know what the watts of the subs are (you dont want to melt them) wire + and - of channels 1 and 2 to one sub and + and - of channel 3 and 4 to second sub, nice thick lead from battery positive (fused) to positive terminal on amp thick lead from a good earth point to negative terminal on amp run a set of rca leads down the opposte side to the positive wire to prevent interference, run thin wire from remote wire of radio to the remote terminal of amp, rca's are plugged in at stereo and at the am. may need a RCA splitter to be able to power all four channels

Good luck Davelee

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1 Answer

Sub woofers dont give clear sound on high volume


THE AMPS PERFORMCE IS DIRECTLY RELATED TO THE STATE OF THE BATTERY AND THE CONNECTION FROM THE AMP TO THE BATTERY, CONNECT THE AMP DIRECTLY TO THE BATTERY TO SEE IF THE SAME PROBLEM EXIST OUTSIDE THE CAR

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Crunch GP 3000 D Pro


It's very likely that the output transistors have failed in the amp. They will need to be replaced.

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3 Answers

Red LED "Protection Light is on" What is the problem


The red light means the amp is in protection mode. A few things can cause protection mode..... First disconnect the subs completely from the amp, and turn it on, if it powers up you have blown subs. Also try checking the main power wire at the battery...sometimes the current your meter is seeing is backfeeding from the remote wire, so your main power line could be blown at the fuse under the hood. hope this helps

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