DEQX Express II Digital pre amplifier and processor

DEQX



Express II

DEQX preamp processors feature unrivaled functionality and connectivity. In many cases a single DEQX processor will replace multiple boxes, simplifying your system as well as adding functionality and increasing system performance.

 

4 digital inputs, 2 analog inputs, Speaker correction, Subwoofer integration, Room correction, Digital "thru" output, High/mid/low digital outputs, Remote control, Touch-screen control, Roon Ready, DLNA network streaming

 

Every single DEQX unit is individually tested before leaving the factory.

Calibration kit

A Standard Calibration Kit is included with every DEQX. The Reference Calibration Kit is an optional upgrade.

Software USB stick

Includes the DEQX-Cal™ installer, microphone calibration files, and a PDF version of the user manual.

Specifications

Analog inputs and outputs
Balanced Unbalanced
Full scale input level 17 dBu / 5.5 Vrms 9.3 dBu / 2.25 Vrms*1
Input impedance 50 kΩ 50 kΩ
Full scale output level 10.8 dBu / 2.7 Vrms*1
Output impedance 75 Ω
Total harmonic distortion 0.0008%
*1. Factory default setting. Jumper-settable, see User Manual for full details.
Digital audio inputs
TOSLINK (optical) 24-bit, 44.1 to 96 kHz
S/PDIF (BNC) 24-bit, 44.1 to 192 kHz, 75Ω
S/PDIF (RCA) 24-bit, 44.1 to 192 kHz
AES/EBU (XLR) 24-bit, 44.1 to 192 kHz, 110Ω
USB Audio Asynchronous USB Audio Class 2, 24-bit, 44.1 to 192 kHz
Audio processing including HD-Active™
Crossover slope 48 to 300 dB/octave (linear phase)
6 to 96 dB/octave (Linkwitz-Riley and Butterworth)
Crossover frequency 22 to 18,340 Hz
Amplitude correction Better than 0.2 dB, typical (depends on measurement accuracy)
Group delay correction 0.5 ms, typical (depends on measurement accuracy)
Subwoofer crossover From 6 Hz, 24 to 120 dB/octave*2
Processing latency Typically 15 ms depending on filters, minimum 2.5 ms
Room EQ Seven or ten bands, 1 Hz to 48 kHz, −300 to +40 dB, Q 0.01 to 17
Preference EQ Three bands, 20 Hz to 20 kHz, gain to +/−9 dB, Q 0.5 to 10
DSP resolution > 140 dB

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