JL TwK 88 AND FiX 86?


CarAudio.com Veteran
10+ year member
Jan 14, 2008
Bay Area, CA
I bought the TwK88. If I'm doing it, may as well go all in.
I'm running a optical spid/f > TWK-D8 > Audison AV 5.1K
System works flawlessly... easy to setup and tune (I've had Audison Bit One and Rockford Fosgate 360.3 previously)

You're going to be happy with your choice


Dec 8, 2017
I thought the HD900/5 was supposed to be an excellent amp. I have it in my other truck running the JL components in front with a zapco running the 10" sub, all from the Pioneer Avic-8200. I do not have a DSP. I expected it to sound better but I'm not a tuner. The zapco s#*t the bed and it's like the power comes and goes. It doesn't go out, it just goes between regular volume and then about the bass from a 6x9. It's the amp as I've checked the wiring.
The jl amp is a very nice. I wouldn't mind having one of their amplifiers myself they're just a little more $ than I want to spend on a amplifier.
Your install (ie speaker placement,sound treatment) is going to have a huge impact on sound quality next to a clean source signal.

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