DMA2240 Two-Channel Digital Mixer Amplifier

Features

● Mechanical knobs and push-button design, with a rocker-type power switch.
● Two-channel amplifier; each channel can be individually configured via DIP switches to support 100V constant-voltage output, 70V constant-voltage output, 8Ω fixed-resistance output, or 4Ω fixed-resistance output. Rated power can be delivered in any mode.
● Six balanced input channels, each with independent volume control; each channel has a separate DIP switch for 48V phantom power.
● One set of RCA AUX2 inputs, split into CH1 and CH2, with independent volume control.
● One 3.5mm stereo input, with independent volume control for CH1 and CH2.
● Two RCA AMP IN1-2 inputs for amplifier input, by default connected to PRE OUT1-2.
● Two RCA PRE OUT1-2 outputs for preamplifier output, controlled by CH1 and CH2 volume; outputs 1V only in 100V constant-voltage mode.
● 3.5mm stereo input and MIC1 can be configured as priority inputs; in any mode, these two inputs are mixed together.
● Two RCA AUX2 OUT1-2 outputs for audio sources, not controlled by CH1/CH2 volume or maximum output level.
● RJ45 interface supports DMA30W remote touch control panels, up to six units; allows control of CH1/CH2 volume, zone on/off, and EFFECT on/off.
● Supports EFFECT (reverb) depth adjustment and reverb time with three preset modes and one custom mode. In custom mode, the ROOM SIZE option has L, M, S, OFF. MIC5-6 can enable or disable EFFECT. OUTSIDE and ROOM zones can independently enable or disable EFFECT.
● MIC1-6 have EQ adjustment, divided into LOW (80Hz ±12dB), MID (2.5kHz ±12dB), and HIGH (10kHz ±12dB).
● Standby function: can be enabled via DIP switch; enters standby after 10 minutes of no signal, with the SLEEP indicator flashing; resumes normal operation upon signal detection.
● Supports connection of one DMA30N Remote Bus Network Decoding Terminal via RJ45 for audio and data bus power, enabling network decoding, offline scheduled playback, EMC dry-contact output, and network AUX OUT functionality.

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Introduction
Specification

The Two-Channel Digital Mixer Amplifier is specially optimized for mosque applications, while also suitable for gyms, conference rooms, small shopping centers, and traditional public address scenarios. When used with the DMA30N Remote Bus Network Decoding Terminal, it shares an RJ45 audio and data bus with the DMA30W Remote Control Panel.

Brochure---DMA2240-DMA2500-DMA30W-DMA30N-Digital-Mixer-Amplifier-System_01.jpg

Brochure---DMA2240-DMA2500-DMA30W-DMA30N-Digital-Mixer-Amplifier-System_02.jpg

Model			DMA2240	DMA2500
Input Sensitivity	AUX1		250±25mV
	AUX2		250±25mV
	MIC1-6 Max. Input Sensitivity		5±1mV (potentiometer fully clockwise)
	MIC1-6 Min. Input Sensitivity		250±25mV (potentiometer fully clockwise)
AUX Frequency Response			80–16kHz (±3dB)
MIC Frequency Response			100–10kHz (±3dB)
Signal-to-Noise Ratio			≥76dB (all volumes at max)
Noise			≤8.5mV (all volumes at max)
Total Harmonic Distortion			≤1%
Line Output (CH1-2)	BUS OUT		1±0.1mV
	REC OUT		1±0.1mV
	PRE OUT		1±0.1mV (100V constant-voltage mode)
Overall Power Consumption	Idle Mode		44W	45W
	Energy-Saving Mode		24W	25W
	Rated Power Condition	100V	600W	1200W
		70V	600W	1200W
		8Ω	600W	1200W
		4Ω	600W	1200W
Power Supply			AC220-240V/50Hz
Output Power			2×240 W	2×500W
Product Dimensions (D×W×H)			483×380×88mm
Package Dimensions (D×W×H)			585×535×155mm
Net Weight			6.3kg
Gross Weight			8.8kg

Model	DMA30W
Package Dimensions (L×W×H)	144×121×91mm
Product Dimensions (L×W×H)	86×86×38mm
Net Weight	0.2kg
Gross Weight	0.1kg

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