Question about 1997 Lexus LX 450

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Car audio What are the basics I need to know when adding car audio? Everything about the car audio is stock. I want to add better quality bass. Sub woofer? What do I need to know about adding a sub woofer and better sound? I am trying to remain thrifty, so please keep that in mind. Thanks!

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I would leave this one up to a pro. Luxury cars have changed their audio format over the past decade. Instead of the radio and preamp being in one unit in the dash they are using the on-board computer as the radio and amp. Usually what you think is the radio in your dash (now-a-days) is really a command screen connected to the cars computer.

Posted on May 15, 2008

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How to instal a amp and sub on a OE stock radio


If you want to upgrade your sound system in your car by adding a sub woofer or speakers powered by an auxiliary amplifier without having to get a new head unit then hopefully this should help you :)

I decided to keep my standard head unit because it looks well in the car, is less likely to attract thieves than a shiny after-market unit and it is a factory upgraded unit anyway and i find it gives pretty good audio quality, it works with the steering wheel controls and has bluetooth and aux-in, so an after-market unit wouldn't offer a substantial upgrade.

Factory head units rarely have RCA or "Low line" outputs which your amplifier will need for it's input signal.
A "Low line converter" is a device which will piggy back your speaker outputs from your head unit and convert them to Low Line RCA outputs for your amplifier

The converter i bought also gives you a "remote wire" output which tells your Amp when the car is on so it doesn't drain your battery, if you get a converter without this option you can just join the remote wire to the Acc circuit of your car, or the 12V circuit with a switch (you will have to remember to turn it off though or your amp will drain your battery)

The methods i used will require an understanding of car/car stereo electrics so just be careful so as not to damage your car or yourself :)
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Jun 04, 2016 | 2006 Chrysler Pacifica

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How to sound proof/increase the qualitly of the music in your car.


Most Car/Audio enthusiast have this problem: how to keep you music in your car while keeping the road noises out. And although it may seem like a complex problem, there are a few simple steps you can take to make your music sound better while keeping more of it in the car.

Now before we get started, I just want to say that every car is different. Each car will have different trouble spots that require different methods of treatment. Some of the accessories that i suggest can be expensive and alternatives that i talk about can be used for smaller price tag.

First, let us talk about sound quality. How would you define the quality of your sound? Most cars will have a standard speaker set that are made of low quality material that tends to distort at high powers. My first suggestion would be to replace your factory speakers. New sets of speakers can start at around $50 at Crutchfield.com and will greatly increase the sound quality of your car. Next, if you have basic upgrade speakers and use them in conjunction with a sub and amp, you may find that your cabin speakers may distort when the volume gets loud. You sub will sound great because it is designed to handle the power, but your cabin speakers may not have been. If you find they are distorting sound, try adding a pair of Bass Blockers. They sell for about $20 per pair. Make sure you find ones that match your speaker size as to provide the perfect bass cut off for best sound. If you want to start throwing out the big bucks and really start pumping the volume, invest in a nice head unit(CD player) and equalizer. A good head unit will have every thing you need to play great music. It will send the sounds to the right speakers so to limit distortion, etc. An equalizer will allow you to create the perfect sound for your taste by allowing you to adjust the decibel slopes for different frequencies.

Second, lets talk about vibrations. One of the worst things to have happen is to invest a large amount of hard earned money into a killer system, then when it is installed, the car rattles like no tomorrow and as a result all of the music is distorted. In cases like this, sound proofing material like Dynamat may be used. Dynamat is a thin rubber like material that bonds to the metal surfaces in your car so that they will not resonate/vibrate. Sound proofing the entire car with Dynamat would end nearly every vibration problem you may have. The only problem is that Dynamat cost on average $10 per square foot or $100 per 10 square feet. I would recommend using a different material. I used a roofing material call Quick Roof which was designed to seal holes in roofs. However, it does a comparable job to Dynamat and only cost about $15 per 10 square feet. That's $75 less than Dynamat. If you decide to sound proof your car, key starting places would be the doors and trunk. If you still have problems after this, try and seek them out by turning up you volume and standing out side of the car. To install Dynamat or Quick Roof, take off all panels until you see the bare metal of the car frame. Measure out the amount of material you will need, then cut peel and stick. Its that simple.

For Car/Audio Enthusiasts, sound quality is a key part in their everyday ride. You can invest hundreds of dollars into a nice system and not have perfect quality. If you have trouble with quality in your car, try some of the tips above. And although every part may not help out in your car, some parts might. Just remember what your goal is and remember that good sound quality is in your reach. Cheers to sick audio system. BrownyMan

on Apr 13, 2010 | Toyota Corolla Cars & Trucks

1 Answer

Cd player wont load ?


is it the original unit ? if so they fail .mine failed twice once under the 5 years cover then just outside .so i bought a better unit and replaced the speakers and added a small under seat ken wood sub .the sound quality is excellent if you have some basic DIY car electrical knowledge its a easy job to do just take ypour time many new head units come with DIN wiring so will fix on without any extra wiring you may have to add a live just take from cig lighter its easy to get to .there are you tube videos to help you ..the speaker that came with the car will need to be changed because they will sound poor with a new head unit .i used 6 and half inch hertz speakers and a 6x9 kenwood sub with an alpine head unit ..its very nice quality sound .

Feb 20, 2014 | 2005 Hyundai Tucson

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2002 explorer with stock 8 inch sub. Looking to replace stock sub with a 8 inch Rockford fozgate. I bought it but want know if this will make a diff or not . Please help if you know anything about


The factory sub is made specifically for your vehicle I don't think putting the rockford fosgate sub in that vehicle will sound better I believe if anything it will be worse. Now this is only an opinion. If I was me I would go with a powered subwoofer. But if you have already purchased the sub you can give it a shot and if you do let me know..

Oct 12, 2012 | Cars & Trucks

1 Answer

How do i calibrate my powered subwoofer for my car


OK assuming you are referring to after market sub and amp whether or not added to factory head unit (stereo). #1 start your engine, and have your amp adjusting knobs accessible #2 insert a CD of the most listened to type of music (Rock,rap,classic) #3 adjust your stereo volume to YOUR max preferred db level with your amp levels at the lowest settings possible #4 start by increasing your freq. rang by 2 bands at a time then the same with gain, once you have gotten your bass to the level you like with out distorting or popping try increasing your bass boost (if available) till your preferred sound(may need to back off gain and freq. add bass boost accordingly until you like what you hear.play around with it for a while make sure you do this at the peak volume in which YOU listen to music because if you do it at a low volume and then turn it up you can blow your equipment . side not 8''in is for very fast bass reps, 10''in is for average rock and 12''s 15''s 22''s are for your low long deep bass reps such as rap and R&B anything else just e-mail me

Jan 10, 2012 | Mazda MAZDA3 Cars & Trucks

2 Answers

I bought a sony deck to replace the bose stock deck on my 1996 nissan maxima. I purchased the wiring harness and antena adapter also. I hooked everything up right and getting power but im not getting no...


each speaker in your car runs the wiring thru an amp. So each spkear has its own amp for the bose system. You can not hook up a none bose radio If you do you will need to run new wires and replace all the speakers. Sorry.

Jul 02, 2011 | 1996 Nissan Maxima

1 Answer

Subs on stock radio


chev stock radio does not have extra plug in for sub. to run your sub, im assumed you also going to run an amp to it also. there are no addition plug in in the back, but that does not stop anyone if you know how to rig things. i would not recommend rig wires on your 2007. I would install a new radio before rigging that car; than add a sub. keep in mind most of GM radios come with stock amp built into the radio itself. If you cut the wires from the radio and wire it to your sub amp you will get nothing but distorted sound. anything sound goes to any amp need to be pre-amp in order to work properly. hope that help some

May 16, 2009 | 2007 Chevrolet Impala LS Sedan New Cars

1 Answer

Audio system upgrade


I'm not sure of the system that comes stock in your wrangler but what I like to do is replace the stock speakers with infinity perfect speakers. You can find out on the internet exactly what sizes are stock then usually I just buy them off ebay. If you look them up there are a lot of brand new in box with free shipping. The infinity perfect speakers I think have the best overall sound for the price. If it still isn't loud enough for you get your self a little 200 watt amp and use an inline splice with the factory Rear speaker wires behind your head unit and for the inputs to the amp. Make sure and leave the stock wiring so if u want to sell the jeep but keep the speakers; all you have to do is unplug and go.

Apr 11, 2009 | 2000 Jeep Wrangler

1 Answer

2000 lexus es300


This is normal. I also have a 2000 ES300. This became a problem when i tried to run an aftermarket sub off of the wire leads from the stock sub-woofer. When I would switch the radio off there would be a loud, deep, constant bass tone. As far as I know you cannot stop the voltage from continuously supplying the sub-woofer this is the way the factory amplifier is programmed, however, if you cut one of the wires(youhave to cut because wires are soldered to sub-woofer) the humming noise will not occur when radio is shut off. Cut the wire in middle and add crimp connectors so you can reconnect later if needed. You only need to cut one and it doesn't matter whether it's the black or red wire.

Oct 02, 2008 | 2000 Lexus ES 300

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