Since "C1" is a common designator, it most likely refers to Abletec’s popular (often built around their "Abletec Active Rectified" technology).
175W per channel into 8Ω; 330W per channel into 4Ω. Frequency Response: 20Hz – 20kHz. Bandwidth (1W): 2Hz – 180kHz (-3dB). ableteccom c1 datasheet
| Feature | Ableteccom C1 | Industrial Device A (e.g., Siemens Logo) | Industrial Device B (e.g., Waveshare) | | :--- | :--- | :--- | :--- | | | ARM Cortex-M4 | ARM Cortex-M0 | Various MCUs | | Native MQTT | Yes (built-in) | No (requires gateway) | Partial (community libs) | | Max Operating Temp | +75°C | +55°C | +70°C | | Isolated RS-485 | Yes (2.5kV) | No | Yes (but lower kV) | | Price Point | Mid-range | High-range | Low-range | Class D Audio Amplifier Modules Since "C1" is
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