Overview

by Crutchfield's

Provides a strong clean signal

Your aftermarket processors and amplifiers need strong and clean input signals, whether getting them from RCA outputs or speaker outputs. Wāvtech's linkDQ processor can produce up to 10 volts of output in either scenario. It acts as a line driver using its RCA inputs or as a line output converter using the speaker-level inputs. Even better, this device features a low-frequency parametric EQ that allows you to pinpoint any weaknesses in your vehicle's bass response.

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Provides a strong clean signal

Works with factory amps

Those speaker-level inputs can handle up to 40 volts, the equivalent of 400 watts, so you can use one in a premium system with a factory amplifier. This way you retain all your vehicle's factory audio options and warnings when you're installing an aftermarket amplifier. The linkDQ's gain control and clip light help you keep the signal level under control and distortion-free.

Parametric EQ

You love bass, but your system just doesn't quite have the low-frequency punch you're looking for. The linkDQ's parametric EQ allows you to access any frequency centerpoint between 30 and 80 Hz, then boost that frequency range to maximize your bass quality. Wāvtech offers a wired remote (not included) so you can control the bass from the driver's seat.

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Product highlights:

active 2-channel line driver/output converter
designed to work with aftermarket and factory systems
parametric bass EQ: 0-12 dB at 30-80 Hz
optional wired remote level control (Item 241LiNKRC)
provides up to 10Vrms output
preamp and speaker-level inputs
- selectable speaker-level input sensitivity (20V or 40V) via internal jumper
auto turn-on via DC offset or audio detect
gain control and clip light

More Info:

12-volt turn-on lead output
speaker-level inputs feature load resistance to prevent factory stereo shut-down
optional plug-in parallel load resistors available for vehicles like some newer Chrysler vehicles that need less resistance for the factory stereo's load-sensing to work
wiring, fuse, and hardware not included with device
- 18-gauge power and ground leads and a 1-amp fuse recommended
dimensions (not including terminals and jacks): 3.5"W x 1.1"H x 2.9"D
warranty: 1 year
Our 60-day money-back guarantee
MFR # LINKDQ

What's in the box:

Wāvtech linkDQ owner's manual

2-Channel line output converter/line driver
2 Phoenix terminals (installed)
2 Mounting tabs (installed)
Two ½" Self tapping screws
Ground ring terminal
Owner's manual

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Details

Researched by Crutchfield's Stacey B.

The Wāvtech linkDQ replaces these items:

Product Research

Features

Overview: The linkDQ is an active 2-channel line output converter, line driver, and bass processor, with speaker level and RCA inputs.

Bass Processor: A single band parametric equalizer allows fine tuning the bass output.

Speaker Input: The speaker level inputs are compatible with most factory stereo systems. They will accommodate from 2 to 40 volts RMS per channel (equivalent to 400 watts at 4Ω).

Load Detect Compatible: The speaker level inputs are loaded to simulate the factory system seeing a speaker. If an impedance lower than 180Ω is needed, the optional linkLD external parallel load can be added to the speaker level inputs. (The linkLD adds a 45Ω impedance in parallel to present a 36Ω load.)

Output Level: The 10 volt RMS maximum allows you to adjust output voltage to the top of your amplifier's input range.

Remote: An optional linkRC wired remote control can be added to adjust the linkDQ's output level (0 dB to -30 dB).

Clip Indicator: An onboard LED indicates when the output signal is too high and is clipping, making it easy to maximize the output levels without distortion.

Auto Turn-on: The speaker level inputs have a DC-offset circuit, and both the speaker level and RCA inputs have a signal sensing circuit. The unit turns on when there's an input signal and turns off when the signal disappears. There is also a +12 volt remote turn-on input and the auto turn-on circuits can be disabled.

Terminal Blocks: The power/ground/remote-in/remote-out terminal and the speaker level inputs are removable Phoenix terminals (Euroblock). The wiring is attached to the block, then the block is plugged into the chassis. The terminal blocks will accommodate wire up to 16-gauge.

Connections:

Power: removable 4-pin Phoenix terminal
- Ground: minimum 18-gauge wire recommended
- +12 volts: minimum 18-gauge wire recommended with a 1-amp fuse (not included)
- Remote In: unit turns on when +12 volts applied to this terminal
- Remote Out: +12 volt output when unit is on (used to turn on an amp, 500 mA max)
Speaker Level Inputs: removable 4-pin Phoenix terminal
Line Input: stereo RCA jacks
Line Output: stereo RCA jacks
Remote: RJ-45 jack for optional linkRC wired remote control

External Controls:

Gain: rotary dial
Auto Turn-on: two jumpers on the end of the chassis; DC-offset and audio signal sensing circuits can be independently turned on/off; factory setting for both is on
Parametric EQ:
- Boost: sets the amount of boost; 0 dB to +12 dB (continuously variable)
- Frequency: sets the center frequency; 30 Hz to 80 Hz (continuously variable)
- Width: adjusts the bandwidth of frequencies enhanced by the equalizer; Narrow/Wide

Hidden Controls: There are several jumper pins inside the linkDQ chassis, to make adjustments that are not typically necessary:

Speaker Level Input Sensitivity Range: The 2-position jumpers are set to 2-20 volts RMS (factory setting) or 4-40 volts RMS. (There are separate jumpers for the left and right channels.)
RCA Input: The 2-position jumpers are set to Balanced (factory setting) or Unbalanced. (There are separate jumpers for the left and right channels.)

Specifications:

Frequency response:
- +0/-1 dB: 10 Hz-70 kHz
- +0/-3 dB: 10 Hz-100 kHz
Input Impedance:
- Speaker input: 180 Ω
- RCA input: 20 kΩ
Input Sensitivity:
- Speaker input: 2-40 volts RMS
- RCA input: 0.5-5 volts RMS
Output Impedance: 50 Ω
Maximum Output Voltage: 10 volts RMS
THD+N: 0.04% (at 10 volts output)
Signal to Noise Ratio:
- Speaker input:
  - 1 volt output: 96 dBA
  - 4 volt output: 107 dBA
  - 10 volt output: 115 dBA
- RCA input:
  - 1 volt output: 97 dBA
  - 4 volt output: 108 dBA
  - 10 volt output: 116 dBA
Parametric EQ:
- Boost: 0 dB to +12 dB (continuously variable)
- Frequency: 30-80 Hz (continuously variable)
- Width (Q): 2-position switch; Narrow or Wide
Remote Level Control (with optional linkRC): 0 dB to -30 dB
Current Draw:
- Operating: 270mA (without remote out)
- Standby: 1.8mA
Dimensions:
- Width: 4½" (5½" including cables)
- Height: 1¼"
- Depth: 3"