Nemesis Audio NA-4.5KM

Nemesis NA-4.5KM KM Series 2250W RMS x 1 at 1 Ohm, Class-D Mono Subwoofer Car Amplifier

We are a Nemesis Audio authorized dealer so you get up-to-date, fully warrantied products. Shipping is free to the lower 48 states on everything you order!

What’s Inside?

• • Class-D Mono Subwoofer Car Amplifier
• • Owner’s Manual

Massive Output for Elite Bass Performance

Dominate your low-end with up to 4500W max power at 1 Ohm, delivering relentless bass across a wide 8Hz–180Hz frequency range. Fine-tune your setup with a 40Hz–180Hz low-pass filter and 0.2V–5V input level—built for serious power, precision, and deep subwoofer control.

Advanced Bass Control with High-Efficiency Design

Achieve tight, powerful bass with a 5Hz–50Hz subsonic filter and up to 12dB of boost between 30Hz–80Hz, all while maintaining ultra-clean output with 70dB signal-to-noise ratio. With over 85% efficiency, 1-Ohm stability, and a sleek 416.5 x 185 x 55mm chassis, it’s built for serious performance and precision.