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JL Audio® System Tuning DSP
JL Audio® System Tuning DSP 0
JL Audio® System Tuning DSP 1
JL Audio® System Tuning DSP 2
JL Audio® System Tuning DSP 3
JL Audio® System Tuning DSP 4

JL Audio® System Tuning DSP

Model #: TwK-88
JL Audio
At a Glance
JL Audio® System Tuning DSP with control by TüN software and 8 channel analog/digital inputs
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System Tuning DSP with 8-ch. Stereo RCA Inputs / 2 Digital (Optical and Coaxial) Inputs / 8-ch. Stereo RCA Outputs / 1 Digital Optical 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 offers dual level controls, toggles up to six presets, and has an LED indicator.

Control the TwK™ 88’s entire feature set by connecting it to your PC via USB, using the companion TüN™ Software interface.

  • Flexible input design with 8 differential-balanced, line-level analog inputs (RCA), accepting line-level signals up to 7.1V (RMS)
  • Separate optical (Toslink) and coaxial digital inputs for connection to digital S/PDIF sources.
  • Flexible input mixer allows input channels to be combined with full control over each input’s level and polarity.
  • 8 banks of 10-band graphic or parametric equalizers with configurable EQ assignment
  • Powerful crossover section with fully variable, high-pass and low-pass filters, crossover slopes are selectable from 6 dB/octave to 48 dB/octave (in 6 dB/octave increments)
  • Configurable polarity and delay settings, with separate entries for speaker distance plus offset control; fully linkable with other channels, in any combination, for adjustment
  • Precise output level controls, adjustable in 0.5 or 0.1 dB increments, fully linkable with other channels, in any combination
  • 8 analog, line-level RCA output jacks (4V RMS)
  • Optical (Toslink) output jack provides a pass-through digital audio (S/PDIF) signal from any pair of input channels, with no signal processing applied.
  • Remote turn-on output (+12VDC) for activating aftermarket audio equipment.
  • JLid™ Port allows connection of the included DRC-200 Digital Remote Controller to add dual configurable level controls, preset selection and LED status reporting from the driver's seat.
Useful Documents

General Specifications

Power Supply Type Regulated DC-DC SMPS
Standby Current Draw<1.5 mA
Operating Current Draw0.7 A
Input TypeLine-level, Differential-Balanced
Input Voltage Range250 mV - 7.1 V RMS
Minimum Input Voltage10 mV RMS
Input Level SettingEleven discrete selections from 250 mV - 7.1V RMS
Analog OutputUnbalanced, stereo RCA jacks
Digital OutputOptical (Toslink) output (S/PDIF)

Signal Processing

Audio Resolution 24 bit / 48 kHz
Remote Level Control Included (DRC-200)
Remote Level FunctionsMaster Volume Control + Trim; Master Volume Control + Fader; Zone Control, LED Status Reporting

Misc. Specs

Depth (in.)6.14
Width (in.)4.29
Height (in.)1.85
Manufacturer Warranty2 Year
Number Of Inputs8
Number Of Outputs8
Digital OutputYes
Bands Of Equalization10 x 8 Channels
Product Weight (lbs.)2.58
WarningProposition 65 Warning for California Residents