4x4 Digital Matrix Processor
Key Features
  • 4x4 line level audio matrix mixer
  • DSP audio signal processing
  • 24-bit/48 kHz analog-to-digital and digital-to-analog converters
  • Fixed, low latency DSP processing
  • DSP Configurator™ Software
  • Intuitive Graphical User Environment
The Extron DMP 44 LC
Model Version Description Part #
DMP 44 LC 4x4 Digital Matrix Processor 60-1095-01

The Extron DMP 44 LC Digital Matrix Processor is a compact 4x4 audio mixer featuring a digital signal processing platform for audio signal routing and control. The DMP 44 LC features four line level inputs and outputs, all balanced or unbalanced. It offers several audio DSP tools for mixing, routing, and room optimization. Quick and intuitive configuration using the DSP Configurator™ Software allows the DMP 44 LC to be installed in very little time. The DMP 44 LC is ideal for presentation applications that require line level audio matrix mixing with DSP in a small form factor.


The DSP built into the DMP 44 LC provides wide dynamic range and utilizes 24-bit audio converters with 48 kHz sampling to maintain audio signal transparency. Several convenient, easy-to-configure tools are available: level controls, high and low pass filters, parametric EQ filters, bass and treble shelving filters, compressor, limiter, and ducker.

Easy-to-Use DSP Configurator Software

The DSP Configurator Software features an intuitive on-screen layout that offers fast access to all of the digital audio signal processing tools as well as matrix mixing. Designers can quickly get a snapshot view of the entire audio system, including processing blocks and routing assignments, all at once.

Flexible Routing

The DMP 44 LC features four mono line inputs that can be matrix mixed into any of the four output buses to create finely tuned audio zones for the corresponding outputs. This audio matrix mixing is ideal for many applications, such as combining two independent stereo audio sources or switchers into a single amplifier or recording system, or in a divisible room installation for feeding a switcher's audio output to the sound system for each room.

Versatile Control Options

The DMP 44 LC can conveniently be controlled and configured via RS-232 serial control or USB. It also includes digital input ports, which allow for external triggering.


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   Gain Unbalanced output: -6 dB; balanced output: 0 dB
   Frequency response 20 Hz to 20 kHz, ±0.3 dB
   THD + Noise <0.02% @ 1 kHz, at maximum output level
   S/N >100 dB, 20 Hz to 20 kHz, at maximum output, unweighted
   Crosstalk <-90 dB @ 1 kHz, fully loaded
   CMRR >60 dB @ 1 kHz
Audio input
   Number/signal type 4 mono, line, balanced/unbalanced
   Connector (2) 3.5 mm captive screw connectors, 6 pole
   Impedance >10k ohms unbalanced/balanced
   Nominal level +4 dBu when level is set to 0 dB gain; adjustable from -20 dBu to +4 dBu
   Maximum level +21 dBu, balanced, when input gain is set to 0 dB
   Volume range -18 dB to +24 dB, line input, adjustable per input
    NOTE     0 dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV ≈ 2 dBu
Audio processing
   D/A conversion 24 bit, 48 kHz sampling
Audio output
   Number/signal type 4 mono, line, balanced/unbalanced
   Connectors (2) 3.5 mm captive screw connectors, 6 pole
   Impedance 50 ohms unbalanced, 100 ohms balanced
   Gain error ±0.2 dB channel to channel
   Maximum level (Hi-Z) >+21 dBu balanced, >+15 dBu unbalanced
Control/remote — audio processor
   Serial host control port 1 bidirectional RS-232: 3.5 mm captive screw connector, 6 pole (uses 3 poles) (shared with digital input)
   Baud rate and protocol 9600 to 115200 baud (38400 baud = default), 8 data bits, 1 stop bit, no parity, no flow control
   Serial control pin configuration Pin 1 = Tx, 2 = Rx, 3 = GND
   USB control ports 1 front panel female mini USB B
   USB standards USB 2.0, low speed
   Program control Extron control/configuration program for Windows®
Extron Simple Instruction Set (SIS)
Control — digital input ports
   Number/type 3 digital input (configurable)
   Connector (1) 3.5 mm captive screw connector, 6 pole (shared with RS-232 port, uses 4 poles)
   Pin configuration 3 = GND; 4, 5, 6 = digital inputs 1, 2, 3
   Digital inputs 
      Input voltage range 0-24 VDC
      Input impedance 10k ohms
      Threshold low to high >2.0 VDC
      Threshold high to low <0.8 VDC
   Power External
Input: 100-240 VAC, 50-60 Hz
Output: 12 VDC, 0.5 A, 6 watts
   Power consumption 3.6 watts
   Temperature/humidity Storage: -40 to +158 °F (-40 to +70 °C) / 10% to 90%, noncondensing
Operating: +32 to +122 °F (0 to +50 °C) / 10% to 90%, noncondensing
   Cooling Convection, no vents
      Rack mount Yes, with optional 1U rack shelf
      Furniture mount Yes, with optional under-desk mounting kit
   Enclosure type Metal
   Enclosure dimensions 1.7" H x 4.3" W x 3.0" D (1U high, quarter rack wide)
(4.3 cm H x 10.9 cm W x 7.6 cm D)
(Depth excludes connectors.)
   Product weight 0.6 lbs (0.3 kg)
   Regulatory compliance CE, C-tick, c-UL, UL, FCC Class A, ICES, KCC, VCCI, RoHS, WEEE
   Product warranty 3 years parts and labor
   Everlast power supply warranty 7 year parts and labor
    NOTE     All nominal levels are at ±10%.
    NOTE     Specifications are subject to change without notice.
Shipping Dimensions and Weights
    Part # Height Width Depth Weight
    60-1095-01 2.75" (7.0 cm) 10.12" (25.7 cm) 7.43" (18.9 cm) 1.8 lbs (0.82 kg)


Application Diagram

Panel Drawing

Panel Drawing
© 2020 Extron. Specifications are subject to change without notice.