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.

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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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