DEQX Legacy Products

Generation 3

All DEQX Gen3 processors provide the renowned DEQX speaker correction capability, along with multiple inputs and outputs and full digital preamp capability.

All DEQX Gen3 processors provide the renowned DEQX speaker correction capability, along with multiple inputs and outputs and full digital preamp capability.

Select a model at right for more information. Or see the full comparison chart and additional information below.

Our full-featured flagship preamp processor, with HD-Active, touchscreen, and network streaming.

Our flagship stereo+subwoofer model, with touchscreen and network streaming.

The classic DEQX configuration, with a full set of analog and digital I/O. For stereo or HD-Active.

For conventional stereo speakers, with optional subwoofer integration.

Our entry-level HD-Active processor. For professional/OEM speaker development and DIY speaker builders.

High end class D amplifiers, a perfect match for the DEQX processors. One, two or three channels each, optimally used in pairs.

 

   
  • Digital Inputs
  • Roon Ready
  • Analog Inputs
  • Balanced Outputs
  • Digital Outputs
  • Speaker Calibration
  • Sub Integration
  • HD-Active
  • Room EQ
  • Remote Control
  • Touch-screen
  • Faceplate

HDP-Express II

Discontinued
  • Digital Inputs 4 *1
  • Roon Ready
  • Analog Inputs 2
  • Balanced Outputs
  • Digital Outputs
  • Speaker Calibration ✔︎
  • Sub Integration ✔︎
  • HD-Active ✔︎
  • Room EQ ✔︎
  • Remote Control ✔︎
  • Touch-screen
  • Faceplate Black

PreMate

Discontinued
  • Digital Inputs 5
  • Roon Ready
  • Analog Inputs 2
  • Balanced Outputs ✔︎
  • Digital Outputs 1
  • Speaker Calibration ✔︎
  • Sub Integration ✔︎
  • HD-Active
  • Room EQ ✔︎
  • Remote Control ✔︎
  • Touch-screen
  • Faceplate Black or silver

HDP-4

Discontinued
  • Digital Inputs 5
  • Roon Ready
  • Analog Inputs 2
  • Balanced Outputs ✔︎
  • Digital Outputs 4
  • Speaker Calibration ✔︎
  • Sub Integration ✔︎
  • HD-Active ✔︎
  • Room EQ ✔︎
  • Remote Control ✔︎
  • Touch-screen
  • Faceplate Black or silver

PreMate Plus

Discontinued
  • Digital Inputs 5
  • Roon Ready ✔︎
  • Analog Inputs 2
  • Balanced Outputs ✔︎
  • Digital Outputs 1
  • Speaker Calibration ✔︎
  • Sub Integration ✔︎
  • HD-Active
  • Room EQ ✔︎
  • Remote Control ✔︎
  • Touch-screen ✔︎
  • Faceplate Black or silver *2

HDP-5

Discontinued
  • Digital Inputs 5
  • Roon Ready ✔︎
  • Analog Inputs 2
  • Balanced Outputs ✔︎
  • Digital Outputs 4
  • Speaker Calibration ✔︎
  • Sub Integration ✔︎
  • HD-Active ✔︎
  • Room EQ ✔︎
  • Remote Control ✔︎
  • Touch-screen ✔︎
  • Faceplate Black or silver *2
*1 – For the HDP-Express II, USB audio input is an optional upgrade purchase (standard on all other models).
*2 – Anodized finish is standard, Premium Gloss finish is available as an option subject to availability.

All models do. The HDP models also provide HD-Active™ – the ability to do linear phase digital crossovers.

The PreMate Plus and the HDP-5 are Roon Ready. The touchscreen displays the artwork for the current album playing.

The HDP-Express II, HDP-4 and HDP-5. The HDP-4 and HDP-5 offer balanced and digital outputs. The HDP-5 offers a touchscreen control panel and network audio including Roon.

No, there is no downside (apart from the difference in cost). The HDP-4 is just like the PreMATE but with HD-Active capability; similarly, the HDP-5 is just like the PreMATE+ but with HD-Active capability.

Generation 1/2

DEQX HDP-3

HDP-3

Predecessor to the HDP-4. Now discontinued.

DEQX HDP-Express

HDP-Express

Predecessor to the HDP-Express II. Now discontinued.

legacy-deqx-mate

DEQX Mate

Predecessor to the PreMATE. Now discontinued.

DEQX PDC-2.6

PDC 2.6 HD

The first 96 kHz DEQX processor. Long discontinued.

DEQX PDC-2.6

PDC-2.6P HD

The preamp version of the PDC-2.6 HD. Now discontinued.