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

DPA2300/DPA2450 1U 2-Channel 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

  • 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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  • Tel:+86 020 37166520
  • Email:export@dsppa.com
  • Address:No.1 Xiahe Rd, Jianggao Town, Baiyun District, Guangzhou, Guangdong, China
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