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Audio slightly upgraded - happy ending

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Old 12-12-13, 09:52 PM   #1
qha_vn
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Default Audio slightly upgraded - happy ending

just upgraded my audio system at very reasonable cost but very good outcome. here is how:

- change stock nak HU to JVC KD-X50 BT

stock nak HU has 4 x 20W max speaker output while this HU produces 4 x 50W max (20W RMS): so double the power

keep rear pioneer door speakers and nak sub amp and sub woofer speaker

- replace front door pioneer speakers with a pair of Alpine-SPS-410-2-way-4-Inch

same diameter, just need a little handy man to fit it into OEM speaker

Sound quality is a world difference. very cost effective option, recommended. hope this helps.

(sorry my car is ls400 1990)

Last edited by qha_vn; 12-12-13 at 09:56 PM.
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Old 12-13-13, 11:10 AM   #2
Jordanf
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How easy was it to keep the factory amp/sub with the new headunit? Did you splice or use an adapter?
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Old 12-13-13, 05:56 PM   #3
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Quote:
Originally Posted by Jordanf View Post
How easy was it to keep the factory amp/sub with the new headunit? Did you splice or use an adapter?
it was quite easy as long as you have access to JVC HU installation manual (comes in package) and wiring diagram of stock HU.

I needed to splice the car wiring to keep stock amp/sub. about 10+ wires needed to be spliced including amp control, signal wires to amp and to door speakers, ant wire, and battery/ ACC wires.

I am not good at wiring but it took me only about 2 hours to get the great sound out from it including soldering the wires together for better quality

i can attache the wiring diagrams here if anyone needs it.

Last edited by qha_vn; 12-13-13 at 06:01 PM.
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Old 12-15-13, 08:02 PM   #4
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couple of pics

stock front speaker removed


new Alpine sits in place


stock rear speakers replaces poorly upgrade stuff. rear speakers are to fill anyway


how bad the poor upgarde was compared to stock


ipod touch gen4 sits perfectly in ashtray


final setup but with urgly hole hehe. need advice what to "fill in" this available space.
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Old 12-16-13, 07:43 AM   #5
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Why not just by a metra double kit from amazon for like 10-15 dollars
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Old 12-17-13, 08:54 AM   #6
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Get this kit, idk if they have it in VN but i'm sure you can get it from the states.
I didn't know that cars in vn can rust ( talking bout the first picture speaker box bracket//bolts were all getting rusted)
Xe dep day
http://www.ebay.com/itm/Metra-99-8156-Single-DIN-STEREO-RADIO-INSTALL-DASH-FIT-MOUNT-TRIM-KIT-NEW-/380384634886?pt=Motors_Car_Truck_Parts_Accessories&fits=Model%3ALS400&hash=item5890b0e806&vxp=mtr
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Old 12-17-13, 05:54 PM   #7
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Originally Posted by akitomk3 View Post
Get this kit, idk if they have it in VN but i'm sure you can get it from the states.
I didn't know that cars in vn can rust ( talking bout the first picture speaker box bracket//bolts were all getting rusted)
Xe dep day
Metra 99 8156 Single DIN Stereo Radio Install Dash Fit Mount Trim Kit New | eBay
got the front speakers from ebay US hehe. they were delivered rusted. thanks
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Old 12-17-13, 05:56 PM   #8
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Quote:
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Why not just by a metra double kit from amazon for like 10-15 dollars
if this is
the one the one
, its not going to work. also i am looking for something more ... lexus
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Old 12-18-13, 10:35 AM   #9
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Quote:
Originally Posted by qha_vn View Post
if this is the one, its not going to work. also i am looking for something more ... lexus
No this one which is the same as the ebay one above.

Amazon.com: Metra 99-8156 Single DIN Installation Dash Kit for 1990-1994 Lexus LS 400: Electronics Amazon.com: Metra 99-8156 Single DIN Installation Dash Kit for 1990-1994 Lexus LS 400: Electronics
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Old 12-18-13, 05:52 PM   #10
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Oh yeah, thats the perfect one. thanks guys
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