Guangzhou DSPPA Audio Co., Ltd.
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Email: export@dsppa.com
Tel: 020-28346138
Fax: 020-81305947

DPA4224 2×240W 2-Channel Matrix Mixer Amplifier

Features

● Utilizes a high-efficiency Class D digital amplifier, delivering robust 2×240W of independent dual-channel output. It supports constant voltage and constant resistance switching, and features independent volume control for easy compatibility and flexible management of various speaker systems.
● Integrates 5 MIC/LINE inputs, 3 AUX inputs, and 1 TEL/EMG input, offering abundant connectivity to meet diverse audio source needs in various scenarios.
● Features a built-in matrix mixing function, supporting the free assignment of input signals to output channels for precise audio routing and scheduling.
● Supports remote paging functionality, enabling live broadcast and announcements directly through a connected microphone.
● Equipped with a remote volume control interface for connecting external control panels, allowing for convenient long-distance adjustment of output levels.
● Features a compact 1U chassis design, saving valuable rack space.
● Accommodates a 100-240V wide-range power supply, ensuring stable operation across various grid environments worldwide.

  • Introduction
  • Specification

This 2-channel matrix mixer amplifier is an all-in-one audio solution engineered for flexible and scalable systems. It perfectly integrates a high-efficiency Class D amplifier with a intelligent matrix mixer. Delivering robust 2×240W power with selectable constant voltage/constant resistance operation, it features extensive I/O connectivity. The core matrix mixing capability allows for free signal routing, enabling independent or combined playback from multiple audio sources to different zones. With added remote paging and volume control, all packed into a compact 1U chassis, it stands as the ideal choice for background music, public address, and multimedia applications, ensuring precise audio management and reliable performance in complex scenarios.


Model

DPA4212

DPA4224

Operation Mains Voltage

110~230 VAC +10/-10%, 50Hz/60Hz

Rated Output (RMS)

2×120W

2×240W

Max Power Consumption

650VA

1344VA

Distortion (THD) 85Hz~18kHz

100V output<1%

70V output<1%

4Ω<1%

Frequency Response @-10dB ref. Rated Output

100V output: 85Hz~18kHz +1/-3dB

70V output: 85Hz~18kHz +1/-3dB

4Ω: 20Hz~20kHz +1/-3dB

Line out: 20Hz~20kHz +1/-3dB

Phase 1kHz

0~ 10 degree

Output

Direct output: 100V or 70V~0. +1/-3dB;

Line out balance 1V +1/-3dB

24VDC output: 24VDC/100mA

TEL/EMG

-(Balance)

Sensitivity: 40dB (100V) / 0dB (1V)

Frequency: 100Hz~12kHz

Priority: Fixed, threshold level >30V

S/N: >70dB

MIC1~5:

-(Balance)

Sensitivity: Mic -56.47dB (1.5mV)

Line -13.9dB (200mV)

Frequency: Mic 450~15kHz (built in filter 315Hz)

Line 60~15kHz

S/N: Mic >60dB; Line >70dB

Priority: MIC 1, Short trigger input

MIC2, VOX set to min, threshold level 0.3~0.8mV

Phantom: 24VDC

Headroom: 20~30dB

AUX1~3:

-(Unbalance)

Sensitivity: -6dB (500mV)

Frequency: 20Hz~20kHz

S/N: >75dB

Tone Control

Low 100Hz: +10~-10dB

High 10kHz: +10~-10dB

VU-Meter

Green: -40+/-3dB

RED: -3+/-1dB

Protection

Output short, Overheat, Overload

Operating Temperature

-10ºC~+45ºC

Storage Temperature

-40ºC~+70ºC

Relative humidity

<95%

Dimensions (H×W×D)

44×430×315 mm (19" 1/2wide, 1U high, with feet)

Net Weight

4.9kg

5.9kg

Gross Weight

6.5kg

7.5kg


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  • Email:export@dsppa.com
  • Address:No.1 Xiahe Rd, Jianggao Town, Baiyun District, Guangzhou, Guangdong, China
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