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iLoud Sub delivers deep, accurate bass in an ultra-compact design with ARC X auto-calibration, extending any monitors to 25 Hz for perfectly balanced, professional full-range sound.
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Every time you finalize a mix on monitors without a proper subwoofer, you're leaving a massive chunk of the frequency spectrum completely unheard. The IK Multimedia iLoud Sub is a compact powered studio subwoofer that fills in those blanks with deep, accurate low-end extension down to 25 Hz, all in the smallest footprint on the market. Paired with ARC X's automatic room calibration, it makes your entire monitoring system more precise and reliable — without taking up your entire desk.


Most studio subwoofers come with a side of existential dread when you realize they're bigger than your mixing chair. The iLoud Sub throws that convention out the window. Compact enough to slide into any desktop studio without sacrificing a single piece of furniture, it still delivers full-range low-end that reaches down to frequencies most monitors can only dream about. This is what it sounds like when engineering actually solves the problem instead of just making the box smaller.
Rooms are acoustically messy. Standing waves, reflections, and frequency build-ups don't care how much you paid for your monitors — they'll color your sound anyway. ARC X is IK Multimedia's answer to all of that, and it's baked directly into the iLoud Sub. Rather than spending hours manually tweaking crossover points and phase alignment with a prayer and a pink noise generator, ARC X does the heavy lifting automatically. One measurement session, and your entire monitoring system — regardless of brand — is calibrated, time-aligned, and telling the truth.




Modern music production lives or dies in the low end — and the iLoud Sub is built to make sure yours doesn't. Kicks need weight. Bass lines need definition. Sub layers need to sit in the mix without swallowing everything around them. Whether you're working in a desktop home studio, a professional production room, or a compact immersive setup, the iLoud Sub holds its own. It pairs naturally with IK Multimedia's iLoud lineup but works just as well with any 3-to-7-inch nearfields you're already running.
Tight, Accurate, Musical Low-End Response: Every detail in your kick drums, bass lines, and sound design elements comes into sharp focus. Low-end balance stops being a guessing game and starts being a matter of precision.
Full-Range Clarity Without Midrange Interference: Deep doesn't have to mean muddy. The iLoud Sub delivers powerful bass extension that stays in its lane — warm and defined without clouding the midrange or throwing off your mix's translation.
Wired and Wireless Connectivity for Any Studio Workflow: XLR and RCA analog inputs and outputs, a USB digital audio input, and high-quality Bluetooth streaming ensure the iLoud Sub fits into any monitoring setup without friction. However, your studio is wired — or isn't — it connects.
The IK Multimedia iLoud Sub proves you don't have to choose between size and performance. This compact studio subwoofer delivers professional-grade low-end accuracy, automatic room correction via ARC X, and enough flexibility to feel at home in just about any studio setup. If your mixes have been lacking depth, losing translation, or quietly fibbing about what's going on below 80 Hz, the iLoud Sub is the missing piece of your monitoring chain — no furniture rearrangement required.


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The iLoud Sub combines the smallest footprint on the studio subwoofer market with ARC X automatic room correction, which calibrates itself and any connected monitors to your room.
Yes, the iLoud Sub is designed to integrate with virtually any nearfield monitor brand, not just IK Multimedia's own iLoud lineup. ARC X automatically calibrates and time-aligns the sub with your existing speakers, regardless of make or model.
The iLoud Sub extends low-frequency response down to 25 Hz, covering the full sub-bass range used in modern music production, film, and post-production. That includes sub-frequencies that most standard nearfield monitors simply can't reproduce.
Absolutely. Its compact footprint is specifically engineered for desktop and small-room environments where full-size subwoofers aren't practical. It delivers professional monitoring performance without demanding professional square footage.
Setup is straightforward: connect the iLoud Sub to your monitors, run the ARC X software with the included measurement microphone, and the system handles calibration, time-alignment, and room correction automatically. Most users are up and running in under 15 minutes.