Perfect studio sound — from the bottom up iLoud Sub redefines what a studio subwoofer can be, delivering deep, accurate, and impeccably controlled low-end performance in the smallest footprint on the market, while also significantly enhancing the sound of your satellite speakers. iLoud Sub is the only subwoofer that automatically calibrates itself and any connected monitors to your room, regardless of brand, providing balanced, accurate, and reliable sound across the entire audio spectrum, from bottom to top. iLoud Sub at a glance Smallest footprint on the market: Fits in any studio — no rearranging required 25 Hz deep bass extension: Experience the full low end of modern productions ARC X room correction: Perfect system alignment with zero guesswork Automatic setup: Effortless studio integration and subwoofer calibration Integrates with existing monitors: Automatically works with any monitor brand Controlled, accurate, musical low end: Mixes translate flawlessly everywhere