Monacor SAM-500D Class D Active Subwoofer Module

The Monacor SAM-500D Subwoofer Plate Amplifier delivers deep, controlled bass to your passive subwoofer with a powerful yet efficient 500-watt Class D design. This plate amplifier is the ideal solution for upgrading or building a custom subwoofer, providing clean, high-current output that brings low frequencies to life. Whether you are constructing a dedicated home cinema system, enhancing a stereo music setup, or integrating a subwoofer into a professional audio installation, the SAM-500D offers the flexibility and performance required for a wide range of applications.

Engineered for versatility, the amplifier features both line-level and high-level inputs, allowing seamless connection to virtually any audio source or amplifier. The frequency response spans from 20 Hz to 200 Hz, ensuring deep extension while maintaining precise control. With a nominal power output of 1 × 500 W at 4 Ω or 1 × 250 W at 8 Ω, and total harmonic distortion below 1%, this unit delivers clean, accurate bass reproduction. The cut-out dimensions of 248 mm × 225 mm simplify installation into standard enclosures, while the overall dimensions of 270 × 251 × 90 mm accommodate a compact build. The IEC C18 power connector and 230 VAC requirement ensure straightforward integration into existing systems. Combining robust power with refined control, the SAM-500D is a reliable choice for achieving authoritative, room-filling bass.