DPA2650/DPA2800 1U 2-Channels Class-D Professional Power Amplifier

Features

● Class D power amplifier with high-efficiency switching power supply
● New aluminum alloy front panel with efficient ventilation and cooling design
● XLR balanced signal input/output connectors
● Speakon NL4 output connectors
● Three output modes: stereo, parallel, and bridge
● Three input sensitivity options
● Intelligent all-round electronic circuit protection system

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Introduction
Specification

DPA2300/DPA2450/DPA2650/DPA2800 is a 1U 2-channel Class-D professional power amplifier that delivers powerful performance in a compact chassis. It features a high-efficiency switching power supply, precision gain control, and selectable output modes (Stereo / Parallel / Bridge) to suit different system setups. With balanced XLR inputs/outputs, Speakon connectors, and selectable input sensitivity (0.775V / 1.414V / 32dB), it ensures flexible connectivity. The unit is built with an aluminum alloy front panel and efficient front-to-rear airflow for reliable cooling, while its intelligent protection system guards against overload, short circuit, overheating, and more—ensuring stable and safe operation at all times.

Model		DPA2300	DPA2450		DPA2650	DPA2800
8Ω Stereo Power*		2×300W	2×500W		2×650W	2×800W
4Ω Stereo Power**		2×500W	2×800W		2×1000W	2×1300W
8Ω Bridge Power**		1×1000W	1×1600W		1×2000W	1×2600W
Frequency Response		20Hz-20kHz(+0/-1dB)
THD		≤0.15%
SNR		≥100dB
Input Sensitivity		0.775V/1.414V/32dB
Input Impedance (Balanced/Unbalanced)		20kΩ/10kΩ
Voltage Gain		36dB		38dB	39.3dB	40dB
Power Supply		AC200-250V/50Hz
Amplifier Type		Class-D
Cooling Method		Front-to-Rear Airflow
Protection Function		Soft Start, DC Protection, Short Circuit Protection, VHF Protection, Overload Protection, Clipping/Limiting, Overheat Protection, Power-On Volume Ramp-Up
Connectors	Input Section	Balanced XLR Female Input / Balanced Parallel XLR Male Output
	Output Section	SPEAKON Output
Product Dimensions (L×W×H)		200×483×45mm		260×483×45mm	260×483×45mm	260×483×45mm
Package Dimensions (L×W×H)		350×550×90mm		350×550×90mm	350×550×90mm	350×550×90mm
Net Weight		3.0kg		3.3kg	4.0kg	4.0kg
Gross Weight		3.9kg		4.3kg	5.0kg	5.0kg
Note: 1. Power ratings marked with “” are measured using a 40ms, 1kHz sine wave pulse at 1% THD. 2. Power ratings marked with “*” are measured using a 20ms, 1kHz sine wave pulse at 1% THD.

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