Toseland

Active Member
Dont get me wrong, i am not looking to be shaking windows and setting off earthquake sensors 3000 miles away with this but i would like a mild upgrade to the sound system in the discovery.

the issue: i currently have a 04 TD5 with the full harmon sound system, running via the HK amp and through a pioneer headunit.

I want a (better) sound system. in my mind i was thinking of replacing the speakers with something slightly better - audison fit straight into the woofers, then looking for something for tweeters and midrange in the doors) however the issue i have is that the headunit is amplified, and this is further amplified by the amp (and i have no control with - at least - this headunit to lower the outgoing volume meaning i have my volume set to 1 or 2 and it's loud enough, and if the phone rings my ear drums bleed)

now.. in my mind I understand that the HK Amp handles the crossovers for the midrange and tweeter up front.

Option 1: Use a different headunit that i can control the line out volume to the HK amp and just replace the speakers

Option 2: using the factory wiring, replace the amplifier, and speakers

Option 3: Using completely new wiring front to back, rewire the whole system with new speakers and an amp in place of the HK amp.

Option 4: anything else you would suggest?


obviously using the factory wiring is a good start, because I don't have to pull half the car apart. but i am blind to the stereo modifications on this.
 
First of all, the way you are set up now is totally wrong. Your factory amp accepts line level inputs and your sending it an amplified signal. Take an iso harness and a phono lead with rca plugs, and butcher them to connect the rcas to the speaker inputs on the harness. Then use the pre outs on your HU to connect the rca leads and plug the rest of the harness in as normal. That way your amp will send line level inputs via its pre outs. Something like this
https://www.qualitymobilevideo.com/70-1786.html
In my experience it will still sound shyte so i ditched the factory amp up front and re wired the front doors direct to my HU, using component speakers. Its better than factory this way.
 

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