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I have a sony head unit with 3 preamp outputs, sub is connected to eclipse sub amp using sub preamp, 4 door speakers are connected using the front preamp output, I have added a pair of 8" drivers and am using the rear preamp output from the head unit, problem is the signal is very weak, I suspect it has something to do with the fader control, can you give me any suggestions. The other 2 amps are performing flawlessly, recommended wire size has been used in the installation, with the proper size fusing. Power is adequate to each unit. Rick

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How do I hook up a sub woofer & speakers to my car stereo?


If you are replacing the existing door/deck speakers with replacements of the same size and not adding an amplifier, you will be able to use the existing wiring, making note of the positive and negative notation.
Subwoofers, on the other hand, require an amp. There are subs that have an integrated amp in the enclosure, otherwise you will need to buy a separate amp. Connecting the amp to your existing system will highly depend on what outputs your head unit (aka stereo) has. If it has pre-amp outputs, those can be run straight to sub amp. If there are not pre-amp outputs, you may have to buy a "high level" adapter that connects to the same head unit outputs as your speakers.

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You will only be able to use this EQ on the front or the rear speakers. You will have to get another EQ if you think you need one. Usually, the front speakers of a car's audio system are the smallest and the rears are larger. You really do not want an EQ on the subs. If it was mine, I would hook the EQ between the head unit and the rear speakers. If you feel this does not sound right, you may need, but I doubt it very much, to get another EQ for the front speakers. Good Luck

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W__How do i wire two pioneer GM-D9500F amps i only have two rca outputs on head unit one sub output that is being used with a D class mono amp for sub the other rca to one pioneer GM-D9500F amp but i have...


Hi, you can split the preamp RCAs with Ys available everywhere. The amp input impedance shouldn't cause much load on the head unit. Let us know if you have more questions, and thanks for using FixYa.

Jan 18, 2011 | Car Audio & Video

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Hello. I need help installing an Eclipse sound system in my Dodge Ram 1500 Quad cab. I went from a Kenwood HU with db Drive 6.5's and 5x7's to the Eclipse CD3200 HU and noticed an immediate improvement...


So you wanna run the subs off of the rear pre amp output rather than just the sub out correct? just get a splitter and run both the rear speakers and sub off of rear channel and front off of front channel. or run all four off of front and subs off rear output. this should give you the sound you want

Nov 04, 2010 | Car Audio & Video

1 Answer

How do u know if A sony xplode XM-552ZR amp is on and how do u connect it to a sony xplode cdx-gt570 head unit.


Just to the left of the output (speaker) terminals, near the top of the amp, there's an LED marked "POWER/PROTECTOR". If the amp is connected properly and powered on, the LED is ON.

If the amp is being used for normal speakers, use a pair of RCA cables and connect the left/right channels to the appropriate inputs on the amp. The switch marked "LPF" should be "OFF".

If the amp is being used with the channels bridged for a subwoofer, use an RCA "Y" adapter and connect the single "Sub Out" preamp output from the head unit to both amp inputs. The switch marked "LPF" should be "ON" and the crossover set to about 80-100Hz.

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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

1 Answer

I'm planning on installing a system in my pick-up and I was hoping I could get a little assistance. I was planning on using a pair of 5'' McIntosh ms486 coaxial speakers (120w max 4 ohm)in the front doors...


First of all use the larger output amp to power the sub. You can tell if its free-to-air if in the middle of the magnet there is a hole for "air" to flow freely. The advantage of free to air is they dont require much of an enclosure or next to none so you can mount it on a single piece of mdf wood and use the cab in the truck as an enclouse itself. I would bridge the amp for the sub to mono but be careful to tune so you dont "distort". Secondly the amp for the mid's shouldn't be bridged any maybe you could run the front and rear speakers off the same amp.. I would get an amp for rear and front speakers each and one for the sub. Your ouput rca's should goto the cross-over first then to the amp (sub) - then wired to your sub (mono) which is bridged. Ensure to tune your cross-over to lowest frequency for sub. Its easy to bridge an amp if its 4 channel.. looking at the speaker terminals it will look like ( + - + -) use the two outer most terminals to bridge to mono.

Sep 13, 2009 | Sony Car Audio & Video

1 Answer

I have a jl audio e1200, and everything's been connected correctly. it says that there's power (as indicated by the green LED) but there's no output. what do i do?


Hello codyr25,

First of all, you need to isolate what is causing the problem. No output (sound from the sub) could be a defect in the 1) Wiring, 2) Head unit, 3) Speaker(s), or 4) The amp itself.

Start to systematically eliminate the possible causes. Connect your subs to a known good system. If they work, it's got to be something else. Check the RCA cables from your head unit to the amp. Check the speaker wiring. Check the amp on-board fuses.

Make sure that you have output from the head unit. With multiple RCA jacks, it's possible to plug your cables into an input rather than an output (in the dark, behind the dash). If you have more than 1 set of preamp outs, try another set.

Hope this helps.

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1 Answer

Sony xplod amp xm-1652z high level input connection


First off, if you're using RCA preamp connections from the head unit to the amp, you don't need to put anything into the high level input connector. But if your head unit doesn't have RCA preamp outputs, then connect the front left to the white (+) and white/black stripped (-) wires and the front right to the grey (+) and grey/black stripped (-) wires. There is no need to connect the rear speaker outputs of the head unit to the high level input of the amp.

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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!

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