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JL Audio TwK-88 – System Tuning DSP


System Tuning DSP with 8-ch. Stereo RCA Inputs / 2 Digital (Optical/Toslink and Coaxial) Inputs / 8-ch. Stereo RCA Outputs / 1 Digital Optical (Toslink) Output.


The TwK™ 88 is a state-of-the-art digital signal processor engineered to deliver world-class system tuning capabilities, in an easy-to-use format. Equipped with an advanced 24-bit DSP processor, the TwK™ 88 includes flexible input/output options, 80 total bands of equalization and powerful mixing tools. The included DRC-200 Digital Remote Controller lets you add dual configurable level controls, preset toggle, plus LED status reporting, all from the driver’s seat.

Connect your TwK™ via PC to the companion TüN™ Software Interface to take advantage these powerful features:

  • Flexible input design:
    – 8 Differential-balanced, line-level input jacks (RCA) accept most line-level signals up to 7.1V (RMS)
    – Separate optical (Toslink) and coaxial digital inputs connect to any digital (S/PDIF) output.
  • Flexible setup features:
    – Individual level trim, linkable for tuning
    – Individual polarity controls, linkable for tuning
    – Powerful input mixing tools
  • 8 Powerful 10-band equalizers with flexible assignment capabilities:
    – 10-band graphic full octave EQ
    – 10-band parametric EQ
  • Configurable EQ assignment delivers simple to complex tuning options:
    – Individual EQs may be assigned to each output
    – Multiple outputs may be combined and assigned to a single EQ
  • 8 analog, line-level RCA output jacks (4V RMS), each with a full-featured tuning set:
    – Fully variable, high-pass and low-pass filters with selectable slopes from 6 dB/octave to 48 dB/octave (in 6 dB/octave increments)
    – Configurable delay settings, with separate entries for speaker distance plus offset control; expressed in time or distance units and fully linkable with other channels
    – Polarity control, fully linkable with other channels
    – Comprehensive level controls, fully linkable with other channels
  • Optical (Toslink) jack provides a pass-through digital audio (S/PDIF) output from assignable input channels, with no signal processing applied.
  • Provides a dedicated remote turn-on voltage output for activating aftermarket audio equipment.
  • JLid™ Port allows connection of the included DRC-200 Digital Remote Controller to add dual configurable level controls, plus LED status reporting from the driver’s seat.



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