Description: 1. A 3-Channel Digital Subwoofer Amplifier Board is an advanced electronic device designed to power three subwoofers in a home theater or car audio system, delivering superior sound quality and efficiency. 2. Features: Equipped with digital signal processing technology for precise control over frequency response, gain, and phase settings; Class D topology for high power output with minimal heat generation; RCA line-level inputs for easy connection to receivers or processors; and adjustable bass boost and low pass filter. 3. Channels: Three independent channels cater for separate subwoofers, enabling precise tuning and optimization of each one's performance. 4. Power Output: The amplifier delivers considerable power per channel, often ranging from 200 to 800 watts RMS (depending on the specific model), ensuring ample power for large, high-impedance subwoofers. 5. Flexibility and Customization: Customizable features such as variable gain control, adjustable low pass filter frequenci
| Specification | Details |
|---|---|
| Model Number | DS-300D |
| Output Power (RMS) | 60W x 3 120W x 1 |
| Signal-to-Noise Ratio | ≥80dB |
| Frequency Response | 20Hz - 250kHz |
| THD+N | ≤0.1% |
| Input Sensitivity | 150mV (RMS) |
| Gain | Adjustable 26dB to 40dB |
| Analog Input | RCA x 3 Balanced XLR x 2 |
| Digital Input | Optical TOSLINK Coaxial S/PDIF |
| Output | Speaker Binding Posts x 5 |
| Power Supply | DC 12V 1A |
| Protection | Short-Circuit Protection Overheat Protection |
| Dimension (mm) | 120 x 90 x 25 |
| Weight (g) | 250g |
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