Ultra-compact Studio Subwoofer with ARC® Room Correction

Perfect studio sound — from the bottom up

Ultra-compact Studio Subwoofer with ARC® Room Correction

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 is a compact subwoofer that blends portability with astonishing low-end performance. Don’t let its size fool you, this powerhouse delivers deep, punchy lows that redefine what a compact subwoofer can do. Designed to perfectly complement iLoud Micro Monitor, iLoud MTM MKII and iLoud Micro Monitor Pro, its advanced design ensures a flat, detailed low-end response that enhances any studio setup.

With a custom high performance aluminium woofer and dual side passive radiators, iLoud Sub packs serious power into an ultra-compact form, maximising bass clarity while maintaining portability. All controls and connections are placed on the back, making setup seamless and intuitive.

Ultra-compact studio-quality subwoofer with automatic setup and alignment
Built-in ARC room correction for both subwoofer and satellite speakers
Smallest footprint in the category – fits anywhere
160 W RMS power, 200 W peak
Frequency response: 25 – 150Hz @-6dB
Max SPL at 40Hz: 106dB peak
6.5″ high-performance aluminium woofer
2 x 6.5″ aluminium passive radiators
XLR and RCA analog inputs and outputs
High quality Bluetooth® audio
Digital audio input via USB-C
Can be controlled by ARC X software (included)
Auto standby
Adds high end room correction to any studio monitor
Perfect for small immersive setups
Ideal match for iLoud Micro Monitors, Micro Monitor Pro and iLoud MTM MKII (shown below)

The Perfect Low-End Companion for Every Studio Monitor

The iLoud Sub is engineered to bring your sound system to life with deep, immersive bass. With its unmatched performance and connectivity in such a compact form factor, it stands as the only solution of its kind on the market.

Comprehensive and Complete Connectivity

CONNECTIONS

Analog Input: XLR/TRS combo and RCA
Analog Output: XLR and RCA
Digital Input: USB and Bluetooth
USB-B Connector for Data and Digital Audio
Power Connection

CONTROLS

Volume Attenuation
Crossover selection
Bluetooth
Power Switch
ARC X: The key to better mixes

iLoud Sub features ARC’s advanced algorithm that seamlessly analyses your acoustic environment and perfectly calibrates your monitors. Regardless of the make and model of the left and right speakers, ARC X software ensures they sound flat, balanced and free of any acoustic interference, so your mixes translate flawlessly, from bottom to top.

This means:

The most natural, flat and balanced sound across the entire listening spectrum
Effortless integration and correction with any monitor brand, not just iLouds
Mixes translate better across all playback systems, from cars to theaters

Just connect, run ARC X, and setup is complete. iLoud Sub offers the easiest way to achieve a truly professional monitoring experience.

The smartest alignment ever

Modern music requires absolute precision in the low end. iLoud Sub premieres ARC X’s newest feature: automatic subwoofer setup. ARC X also accurately calibrates and time-aligns iLoud Sub, expanding the frequency range of any monitoring system to uncover hidden depth and clarity without disrupting the balance of your full setup.

The result:

Every detail in kicks, bass lines, and sound design comes into focus
Low-end balance becomes a matter of accuracy, not assumption
Enjoy fuller low end that doesn’t overpower or throw off your mix translation

No more guesswork. No more endless revisions.
Just clarity, confidence, and mixes that move with power and precision.

Built-in room correction for any speaker

Big bass. Smallest footprint. Zero compromise.

iLoud Sub is engineered to provide full-range clarity and depth while maintaining perfect balance within your space.

Occupying only a fraction of the size of traditional studio subwoofers, it integrates naturally into any workspace, delivering powerful low-end extension down to 25 Hz with tight, accurate, and musical response you can rely on in every mix.

Package includes
1 x iLoud Sub
Power cord
ARC Microphone with clamp
USB-B to USB-A cable

Dimensions and weight

24.4 cm x 25 cm x 28.3 cm (H x W x D)
7.1 kg