Question about Nitro BMW-482 Car Audio Amplifier

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Need wiring diagram for bmw-483 1000w 4 channel amp bought used

Seems that the right subwoofer 10" is not as loud as the left we switched the wires and works great but then the other doesn't work right need to have a diagram

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Left + goes to the amp left - goes to the + on the right sub and the right - goes to the amp try that

rate pls

Posted on Aug 18, 2010

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I have a California Profile 1200w amplifier. I'm operating two 10 inch Sony SP5 4ohm subwoofers unbridge. The amplifier hits hard for about 30-45 minutes then it partially shuts down. Bass also drops off...


Overload. Looks like your amp is 4 ohm stable. You are wiring each speaker separately from the
amp (Left + and - to one and Right + and - to the other) and if so you are correct. You may need
to increase the available amperage to your amp with a larger guage wire. I am assuming you are using 4 gauge. If not, bump up to 4 gauge. If so maybe add a second, sealed cell, battery as a stiffener. The capacitor idea wont help enough for the $$ invested. The battery should give you reserve amperage and keep the system happy. Be sure to run a fail-safe (250 amp) fuse at the battery just in case a wire shorts to a ground, your car wont burn to the ground. Just wire the battery to a system connection and the both go to the amp. It will also give your vehicle electrical system a much need boost that will save your alternator.
Here is a real cool site you can use to answer all your electrical question and build your own boxes!
http://www.bcae1.com/

Mar 12, 2011 | Profile - California: 2 Channel 1200W...

1 Answer

Car Audio - mixed ohm speakes - best setup


Here is the link how the speakers are suppose to be connected.

http://www.fixya.com/Uploads/images/94A2E8C.jpg

You notice how they hook it up the left connections are your full range or hi frequency speakers and the switch is on for HPF (High pass Filter meaning only high frequency is being passed thru)

The right connections are connected to subs and the switch is on for LPF (Low pass Filter meaning only low frequency is being passed thru)

If you turn off these switches to off the its FULL RANGE all frequencies will pass thru.

The single output of the radio is probably for a subwoofer output but since your using the amp to power speakers too Its useless because your sending only low frequencies to the amp which will make any speakers connected to the amp sound horrible due too all the highs and mids will be filtered out.

STEP 1. 2 4ohm speakers depending where you put them Front or back. Hook these speakers up to the Radio's speaker wires coming out of the radio harness. You can also call them Hi level output wires FR & FL wires if positioning them in the Front. Hook them to the RL or RR if positioning them in the Back. What ever wires you dont use tape them SEPARATELY . DO NOT TAPE THEM TOGETHER and cause them to touch each other it will short out the radio and you will hear no sound.

STEP 2. Ok get 4 same length speaker wires and cut them long enough to go too the amp. Now these speaker wires will only send the FULL RANGE frequency signals to your amp. So note with a paper and pen how your connecting each speaker wire. I would tape one wire with black tape to remember this is the FR right, 2 tape FR left, 3 tape BK right, 4 tape Bk left. And I would make the copper thread of the wire positive and silver thread of the wire negative (very important so that your in phase and it will sound awesome) mixing up the positive and negatives will give you a tinney sound and it horrible to hear .

STEP 3 connect these 4 speaker wires to the High level out speaker wires coming out of the radio. The wires that are already connected to the 2 4ohm speakers go ahead and splice into them and the ones you didnt use connect to the remaining 2/4 speakers. REMEMBER OR NOTE THE CONNECTIONS cause you have to connect the right sequence and right polarity + & - to the HI Level input of the AMP. You will not use any RCA'S from the radio to the amp anymore. Since your radio dont have any Front & Rear output coming from the back of the radio. (YOU CANNOT USE BOTH RCA INPUT & HI LEVEL INPUT OF THE AMP ITS 1 or the other OR YOU WILL BURN OUT THE AMP AND DAMAGE THE RADIO)

STEP 4. Now connect your 2 6ohm speakers of your front left and back left together in parallel and your 2 6ohm speakers of your front right and back right together in parallel. Look at the diagram hook it on the left connections as in the picture of the front left speaker(but your connecting two 6ohms valued at 3ohms when in parallel and the amp can handle 2ohms so its safe) Do the same connection for your two right speakers as shown in the diagram of the Front right speaker. SWITCH THE HPF to OFF so that you get full range out of your speakers. Mid range is 70% of your music if you turn it ON you are only getting the high frequencies and it will sound awful.

STEP 5. This is the final connection Your 6 ohm sub is very bad for this amp. For example if you bridge it off of the last two channels the amp may double the power. If each channel is 100 watts and you connect the positive to one channels positive and connect the negative to the others channel negative(presuming its bridgeable) On a regular 4ohm sub it will be getting 200 Watts of power which is an average thump. Now you put a 6 ohm sub it will be weak and it will be getting around 130Watts. To make it worse if this 4 Channel amp is not bridgeable you can only connect it to 1 channel and the output will be around 70 WATTS causing distortion due to lack of power. If you still connect the sub be sure the switch is ON.

Good luck cause this the best connection you can do anything different and I'm sorry it will sound even worse. I am a master installer and have done this for 12 yrs. The higher the ohms the worse the sound gets cause less power. Thats why car speakers are 4ohms and home speakers are 6 ohms or higher cause they have a bigger amplifier to power and 120volts AC current. A car only has a 12Volt DC current powering the amp.

Apr 06, 2010 | Sony Xplod XM-554ZR Car Audio Amplifier

2 Answers

Installing APX490 in a boat with 4 speakers and 1 subwoofer. The factory manual shows a diagram with each of the 4 wired to an individual channel and the subwoofer - wired to - terminal of the LF speaker...


A better solution would be
1: Get a seperate amp for the sub itself
2: Run 2 speakers on ch 1 and 2 speakers on ch 2. I assume your speakers are 4 ohms, in stereo mode that amp is stable to 2 ohms. The bridge the subwoofer on ch 3 & 4. That will work if you just want to use that amp. If you need more help you can email me @ thefowlerfam09@yahoo.com Hope this helps...

Apr 04, 2010 | Clarion APX490M Car Amp

1 Answer

Need advice on setting up amp with my two speakers.


This is hard to explain and what needs to be done is wire in parallel both subwoofers. This website will help just put in the amount of speakers and amount of ohms each and it gives you diagram.
http://www.the12volt.com/caraudio/woofer_configurations.asp?Q=2&I=81#results

Mar 24, 2010 | Pyramid ZPA150 Car Amp

2 Answers

Need a diagram of hw to hook 2 subs to 4 channel amp


No diagram but you can printthis out. Choose 1 set of inputs for the subs on the amp (I usually use the low or rear which ever has more settings) You need to put the settings to low hertz and no high settings. Now in the output side you're going to use the positive side of the right side speaker and the negative side of the left side speaker (you can switch left or right as long as they are opposite sides!). Lets start with the negative wire connect it to the negative input on one of the subs, connect the positive wire to the positive input on the OTHER sub, then get an extra wire to connect the inputs not used on both subs. Adjust settings in amp and radio and if it doesn't sound good use negative and positive outputs from one single output (only left or only right) Hope this helps

Oct 08, 2009 | Kenwood Car Amplifiers

1 Answer

What is the wire diagram for the 3way bx35 boss crossover


Hello rew_smith,

The wiring diagram is silk screened right on the top of the unit. If your diagram is missing or obscured, you can get one directly from www.bossaudio.com.

The first 3 pairs of connections for subwoofer, front, and rear inputs coming from your receiver or head unit. Top is left channel, bottom is right channel. The 2nd set of connections are the outputs and matched in function to the first set. These are connected to your amp(s).

To the right of the input/output connectors are the 12V +, remote and ground screw terminals. The 2 switches and 9 controls allow you to set the high-pass frequency and output levels for the front and rear channels, and the crossover frequency, bass boost, phase, and output level for the subwoofer.

Hope this helps.

Aug 23, 2009 | Boss Car Amplifiers

1 Answer

Wiring diagram


Hello rivertoyz,

If your F250 has the stock radio, there are no preamp outputs, so you will need to use the speaker outputs. The best solution would be to wire a LOC (line output converter) to the rear channels and run RCA cables to the amp.

Speaker wire color code:

Left rear positive - Gray/Light Blue
Left rear negative - Tan/Yellow
Right rear positive - Orange/Red
Right rear negative - Brown/Pink

You'll need an amp wiring kit with 4gauge power and ground. Both the LOC and wiring kits are available at numerous online stores. The best service is from www.crutchfield.com. Another reputable online seller is www.sonicelectronix.com.

You did not say what subwoofer(s) you intend to use with the amp. If you want to stick with the Maxxsonics product, a pair of 10" Orion HP10D2's would be an excellent match. Wire each of the subs dual voice coils in series for 4ohms, then parallel them to the amp for a final load of 2ohms. Both of the linked retailers above sell the Orion's and many other brands as well. Just make sure that your sub selection has adequate power handling capability. At least 1000 watts RMS if you use a single sub and 500 watts RMS if you go with 2.

Hope this helps.

Jun 01, 2009 | Orion XTR Pro 2400 Car Audio Amplifier

1 Answer

Ok this problem is killing me...


maybe the speaker is bad

First try one thing, switch the rca jacks around and see if the other speaker stops working this time.

If so the problem is in the rca jack or head unit.

If the same speaker is still not working, the problem will be the speaker, you will have no other options left since you changed amplifiers and checked all wiring.

Let me know if this helps you

Jun 18, 2008 | Visonik Dual Bass Box with Amplifier Car...

5 Answers

Wiring Diagram for Sony car amplifier XM-554ZR


You can download the installation manual from the link below: http://www.sony.co.id/support/product/xm-554zr?site=hp_en_ID_i It has the following diagram plus other hookup info... Please update the question & let us know if the information given was useful to you - Good Luck!

Aug 14, 2007 | Sony XM-2150GSX Car Audio Amplifier

2 Answers

Power Acoustik Area 51 Amplifier


I havthe same amp. Try moving youry ground t a different location. that seemed to help me when i was brigging mine.

May 08, 2007 | Power Acoustik Area 820x2 Car Audio...

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