The DPA500/DPA750/DPA1000/DPA1200/DPA1500/DPA2000 is a compact 1U Class D amplifier with 2 MIC and 2 AUX inputs, ideal for commercial sound systems. It delivers 500W/2000W output with high efficiency and stable power performance. Featuring a new aluminum alloy front panel, front-to-rear cooling with automatic fan speed control, treble and bass control, signal and protection indicators, and both 4–16Ω and 100V outputs, it offers a reliable and flexible solution for various installations.

Model | DPA500 | DPA750 | DPA1000 | DPA1200 | DPA1500 | DPA2000 | |
Rated Power* | 500W | 750W | 1000W | 1200W | 1500W | 2000W | |
Output Method | 100V & 4-16Ω | ||||||
Line Output | >0.775V (0dB), Unbalanced | ||||||
Frequency Response | 80Hz-16kHz | ||||||
THD | ≤0.1% | ||||||
SNR | AUX1/AUX2 Input: ≥96dB(A-weighted) MIC Input: 66dB(A-weighted) | ||||||
Line Input Sensitivity | 350mV | ||||||
Line Input Impedance | 10kΩ, Unbalanced Input | ||||||
Mic Input Sensitivity | 5mV | ||||||
Mic Input Impedance | 600Ω, Unbalanced Input | ||||||
Audio Interface | 2 × RCA Standard Signal Inputs 2 × 6.35mm Standard Microphone Inputs | ||||||
Tone (Treble) | +10dB at 10kHz | ||||||
Tone (Bass) | +10dB at 10kHz | ||||||
Overall Efficiency | 75% | ||||||
Power Supply | AC200-250V/50Hz | ||||||
Power Consumption | 500W | 670W | 1340W | 1600W | 2000W | 2500W | |
Cooling Method | Front-to-Rear Airflow with Aluminum Heat Sink and Fan, Auto-Adjusting Fan Speed | ||||||
Product Dimensions (L×W×H) | 260×483×45mm | ||||||
Package Dimensions (L×W×H) | 350×550×90mm | ||||||
Net Weight | 3.4kg | 3.4kg | 3.4kg | 4.2kg | 4.2kg | 4.2kg | |
Gross Weight | 4.5kg | 4.5kg | 4.5kg | 5.3kg | 5.3kg | 5.3kg | |
Note: Power ratings marked with “*” are measured using a 20ms, 1kHz sine wave pulse at 1% THD. | |||||||
DA4250 4*250W 4 Channels Digital AmplifierMarch 7, 2017This is a Class D digital amplifier designed for commercial and industrial public address applications. Rack mount design in 1U type and rated power is 4*250W.Both balanced and unbalanced line inputs ...view
DA2250 2 Channels Class-D Digital Power AmplifierNovember 15, 2016Description:This Class D digital amplifier DA2250 is a 2 channel digital amplifier , which designed for commercial and industrial public address applications. Rack mount of this amp digital design in ...view
DA3650 1 channel Class-D AmplifierJune 10, 2019DA3350/DA3450/DA3650 is a series of digital power amplifier with newly designed appearance and high powers for selection.viewwe will contact you within 24 hours.
DSPPA | Joint Display at Securika Moscow 2024April 19, 2024Abstract: DSPPA and its agents participated jointly in Securika Moscow 2024, achieving success and rich rewards at the exhibition.view
Function of the Outdoor Public Address SystemJune 28, 2018The outdoor public address system includes background music and emergency broadcasting, which are usually combined. Its objects are public places. They are installed in the corridor, the elevator door...view