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PDA280 Professional Audio Products Class D High Performance 100W*2 2 Channels Active Amplifier Module

This product is a 2-channel 100W power amplifier module, serving as a low-power, high cost-performance digital amplifier solution. It features a frequency locking function and an energy‑saving optimized design. Additionally, multiple protection circuits are integrated to ensure product stability in complex and high‑voltage operating scenarios.

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Model	PFA280
OUTPUT POWER PER CHANNEL, STERO MODE, both channels driven
8Ω EIA 1 KHz 1% THD	100Wx2
4Ω EIA 1 KHz 1% THD	200Wx2
OUTPUT POWER, BRIDGE MONO MODE
8Ω EIA 1 KHz 1% THD	300Wx1
Typical Distortion
8 ohms	0.05
4 ohms	0.1
Maximum Distortion (20 Hz-20 kHz, 1 dB below rated power)
4 to 8 ohms	0.05%
Frequency Response (8 ohms)	20 Hz-20 kHz, ±0.2 dB
Noise (20 Hz-20 kHz, 32 dB Gain)	<1mv
Damping Factor (8 ohms)	>600
Output Circuitry	Class D
Input Sensitivity
26 dB Setting	1v
32 dB Setting	2.67V
Maximum Gain (1.2V setting)	36dB
Maximum Input Level
1.2V setting	10 V(+22 dBu)
AC Power Requirements	100v or 240vautomatic power source
120V 50/60 Hz	10A
230V 50 Hz	6.3A
Weight	0.5KG
Size	W: 154mm ,D: 65mm , H: 43 mm

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1. Who are we?

We are based in Guangdong, China, start from 2014, sell to Domestic Market(50.00%), South America(14.00%), South Asia(10.00%), North America(8.00%), Eastern Europe(3.00%), Southern Europe(3.00%), Northern Europe(3.00%), Western Europe(3.00%), Southeast Asia(1.00%), Eastern Asia(1.00%), Mid East(1.00%), Oceania(1.00%), Central America(1.00%), Africa(1.00%). There are total about 11-50 people in our office.

2. How can we guarantee quality?

Always a pre-production sample before mass production; Always final Inspection before shipment;

3. What can you buy from us?

Professional Digital Amplifier, Digital Amplifier Module, Digital Active Speaker Amplifier, DSP, Professional Audio Speaker

4. Why should you buy from us not from other suppliers?

Dedicated to developing, designing, and selling various professional audio products for the professional audio market, such as professional amplifiers, Professional Sound Column Speakers, active speaker amplifiers, amplifier modules, and self-developed DSP

5. What services can we provide?

Accepted Delivery Terms: FOB, CFR, CIF ,EXW; Accepted Payment Currency: USD, EUR, HKD; Accepted Payment Type: T/T, L/C; Language Spoken: English, Chinese

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