JL Audio TwK™ 88 System Tuning Processor

Price $550
For those who love fine-tuning their audio experience, JL Audio's TwK 88 System Tuning Processor is a dream tool. This powerful device allows for precise adjustments to your vehicle's sound system. By using JL Audio's TwK-TüN app on your laptop or tablet, you'll have access to real-time tuning capabilities that can truly optimize your setup. The TwK 88 offers a range of features including 10-band equalization, variable high- and low-pass filtering, and time delay/alignment on every channel. With this level of control, you can tailor every aspect of your audio system to your exact preferences, ensuring a personalized and top-notch sound experience.


  • 8-channel digital signal processor
  • DSP adjustments and settings made via Windows PC running JL Audio’s TwK-TuN app
  • Three Project Levels of tuning:
    • Basic: (10-minute set-up time) guided channel setups, basic crossover functions, 10-band graphic EQ, no delay
    • Advanced: (30-60-minute set-up time) adds crossover options, limited parametric EQ, delay functions
    • Expert: full manual controls with input mixer, parametric EQ, signal diagnostics
  • 8 analog preamp inputs: (RCA), 2 digit inputs (optical and coax)
  • 8 analog preamp outputs (RCA), 1 digital output (optical)
  • all inputs assignable to any output channel
  • channel settings can be separate or linked together
  • 10-band EQ (graphic in Basic, parametric in Advanced and Expert modes)
  • time alignment in 0.02 ms increments
  • fully adjustable high- and low-pass filters
    • selectable filter slopes (6, 12, 18, 24, 30, 36, 42, 48 dB/octave)
  • DRC-200 wired remote control included
  • dimensions: 4-7/8″W x 1-15/16″H x 6-3/16″D

What Our Customers Are Saying...

Delbert D. Walls Jr.
Nothing but good things to say about this location! I've brought multiple vehicles here, old and new, for different services and Thom has always got me together! Highly recommended!
Mark Waddle
Great service and good price’s. Looks like it was factory installed and sounds great
Drew Rose
Brian and Tom are awesome! The installers here are amazing as well. Don’t forget to tip your installer
Denise Varitek
Very satisfied with the blind side alert system installed on my car. Staff was very professional and knowledgeable.
Wesley Kasperski
They are the best in the business!
Darin Lauer
This was the 7th vehicle I’ve taken to CarTunes in Allen Park for window tint. As with the other six… they did a great job again! Quality work, great price, friendly people.
Mark Counsel
They built me a custom sounds system from top to bottom and explained to me about what to expect from my system. All of the staff was very helpful.