BPower/Reset LED — The green LED indicator duplicates the front panel LED operation (see the “Reset Actuator and LED” section for additional information).

CLine 1-4 input connectors 6-pole 3.5 mm double-stacked captive screw connectors accept balanced or unbalanced mono line level signals. Line inputs provide gain settings to accommodate consumer (-10 dBV) and professional (+4 dBu) operating line level sources. Up to four mono line inputs, balanced and unbalanced in any combination may be connected to these inputs (see the following diagram for wiring instructions).

Audio Input Wiring

Tip

Ring

Sleeve

Balanced Input

Tip

Sleeve

Unbalanced Input

Figure 3. Wiring Balanced or Unbalanced Line Inputs

DMono output connectors (1-4)6-pole 3.5 mm captive screw connectors provide balanced or unbalanced connections for mono line level output signals.

Audio Output Wiring

Tip

Ring

Sleeve

Balanced Output

Tip

NO Ground Here

Sleeve

Unbalanced Output

Figure 4. Output Connector Wiring

CAUTION: Connect the sleeve to ground (Gnd). Connecting the sleeve only to a negative (-) terminal will damage the audio output circuits.

ERS-232 connector — A 6-pole 3.5 mm captive screw connector for bidirectional

RS-232 (±5 V) serial control. Default baud rate is 38400.

Do not tin the wires!

RS-232

Device

Transmit (Tx)

Receive (Rx)

Ground ( )

Tx Rx

Bidirectional

Transmit (Tx)

Receive (Rx)

Ground ( )

RS-232 DIGI IN

Tx Rx

1

2

3

Figure 5. RS-232 Wiring

FDigital input connector — A 6-pole 3.5 mm captive screw connector (shared with the RS-232 port) provides three configurable input ports allowing connection to various devices including motion detectors, alarms, buttons, photo (light) sensors, and temperature sensors. This connector shares a common ground with the RS-232 connector (E).

DMP 44 LC • Installation

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Extron electronic DMP 44 LC manual Audio Input Wiring

DMP 44 LC specifications

The Extron DMP 44 LC is a powerful digital audio processor designed to cater to a wide range of audio distribution and mixing applications. It combines advanced audio processing capabilities with intuitive controls, making it an ideal solution for classrooms, conference rooms, and other professional audio environments. The DMP 44 LC features four inputs and four outputs, which provide incredible flexibility for any audio setup.

One of the standout features of the DMP 44 LC is its comprehensive DSP capabilities. The device incorporates Extron's renowned DSP technology, which offers extensive signal processing functionality including automatic mixing, gain sharing, EQ, delay, and filtering. These tools allow users to optimize audio performance, ensuring that sound quality is consistent and clear across all speakers and microphones.

In terms of connectivity, the DMP 44 LC offers a versatile array of input and output options. It includes balanced, low-impedance microphone and line level inputs, ensuring compatibility with a wide variety of audio sources. Outputs are also balanced, allowing for seamless integration with professional audio systems. The unit’s input and output configuration can be easily customized, accommodating different audio formats and setups.

The DMP 44 LC utilizes Extron’s patented ProDSP technology, which delivers precise signal processing capabilities without sacrificing audio quality. This technology supports high-resolution audio processing, enabling users to achieve the best sound reproduction possible. Moreover, the device allows for remote control and monitoring via an intuitive web-based interface, making it easy to manage audio settings from any location.

Another key characteristic of the DMP 44 LC is its robust design tailored for professional use. The compact form factor can be easily integrated into various environments, whether mounted in a rack or placed on a shelf. Additionally, its enhanced thermal management and sturdy construction ensure reliability and durability in demanding applications.

The DMP 44 LC embodies the latest advancements in audio technology, making it a reliable choice for professionals seeking high-quality sound management. With its extensive features, the digital audio processor allows for seamless audio mixing and processing, ensuring optimal performance in any audiovisual setup.