So I can't comment on past or future experiences but I can share mine. Had the Reus system installed today. Cliff from Reus has been communicating with me reliably and regularly for the last 6 weeks. Got a list if available upgrades depending on my car configuration. I have the P85 with rear jump seats and SS system. Rick arranged for 3 cars to be installed while in about on. We went out for a drink the night before the install. Nice guy who clearly enjoys his work and is very knowledgable. Love the fact he subscribes to the "less is more" philosophy. We arranged for him to show up at the house at 9:30 while I was at work. My wife gave him access to the car and garage. I had a half day so went home around 1 PM as he was finishing up. install includes replacement of the A pillar leakers, installation of a small center channel speaker in the rear view mirror stalk pushing music into the front windshield to create the front sound stage, replacement of the rear subwoofer with a long throw 8" woofer, and placement of a 400 watt amp in the L rear section of the trunk. Also added crossovers, subwoofer control, and direct wiring of the amp to the 12 v battery. Install was pristine and no signs of modification except for the rear view mirror speaker. That's the only sign of the Reus system. He then spent 30-40 mins tuning the car using his own music and my USB stick. Sounds amazing! Completely in a different class! I live 3 miles from the local Tesla store so we went there and had one of the store managers Saul come out and compare the normal SS to Reus. He is a car and music junkie and was blown away. Basically told Cliff to give him his card and was going to let other owners know. Quite the endorsement. I have just sat in the car all evening listening to different tunes and been amazed. Cost is $3700 including your share of travel expenses which will vary. Considering the SS is now 2500, I would strongly urge prospective buyers to pass and consider the Reus system. You will not be disappointed and I do hope you have the chance to hear it locally before making a decision either way. Very happy and now just hope I can get the PDC to complete the car. Have made many fun modifications with help and guidance of TMC members and will post a video this weekend. Expecting custom mats recommended by another TMC member and lighted nosecone beta test kit from artsci in the next few weeks. Tesla is the new ultimate driving machine. Just my 2 cents. Cheers!
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One other thing, Cliff said the speakers are essentially tuned so software updates should not affect the sound especially since you can basically put all settings to default. He tuned my system to all 0 on the equalizer and even balance on the faders. Up to me if I want to change those settings. I have no miss assumptions that his his system will magically and dynamically adapt to any software update. It will respond just like the SS or any other aftermarket system. Hope that helps.......