IK Multimedia Arc Studio+ Room Correction System

Hit-ready monitoring in any room

Your room is part of every mix you make, whether you like it or not. ARC STUDIO+ takes it out of the equation. It sits between your source and your speakers and corrects what you hear before it reaches your ears, so every session, every DAW and every playback source finally sounds the way it really is. Plug in the ARC microphone, start a calibration right from the front panel, and your monitors and subwoofer are corrected and aligned, no computer needed. Want to go deeper? ARC X unlocks guided multi-point calibration for maximum precision. Powered by the ARC correction engineers have relied on since 2007, and now with integrated sub management, USB-C and optical digital I/O, and three instant-recall scenes.

Accurate monitoring anywhere.

The most expensive monitors in the world cannot compensate for challenging room acoustics. ARC STUDIO+ measures your room, your monitors, and your subwoofer, then delivers reference-grade accuracy with any speakers and any sub.

Correction runs outside your DAW, so there’s no plug-in in your session and nothing to remember to switch on. Whether you work in a dedicated studio, a compact writing room, a hybrid setup, or a temporary space, you hear your mix instead of your room.

Standalone calibration, automatic subwoofer alignment, and full-range 20 Hz to 20 kHz correction bring your system into focus fast. Kick and bass lock together, vocal presence is easier to judge, and your decisions translate beyond the room.

20 YEARS OF ROOM CORRECTION IN A BOX

From the pioneers of studio room correction

ARC STUDIO+ comes from IK Multimedia, the creators of ARC System, the original studio acoustic correction platform introduced in 2007. Nearly 20 years and five generations of measurement technology later, ARC is trusted by thousands of professional studios worldwide.

Plug it in. Press one button. That’s the entire setup.

Connect the included ARC measurement microphone to the dedicated calibration input and calibrate directly from the hardware. Standalone mode supports fast 1- and 3-point measurement with no computer, DAW, or audio interface required. It reads your speakers, your sub, and your room, then corrects everything in real time.
When you want deeper analysis and customization, connect ARC STUDIO+ to ARC X for higher-resolution 7- and 21-point 3D room measurement, target-curve editing, and advanced profile management. Correction profiles are stored in the hardware, so ARC STUDIO+ keeps working the moment the software is closed.
What you end up with is a monitoring system that’s finally honest. What you hear is what leaves your studio.

Perfect Sub integration

Low-frequency accuracy without the guesswork.
A subwoofer only helps when the whole system moves as one. ARC STUDIO+ automatically detects a connected subwoofer and integrates it with your mains as part of calibration, aligning gain, crossover, phase, and delay with no external processors and no manual measurement work.
The result is a cohesive stereo or 2.1 system with tight, defined low end. The relationship between kick and bass becomes easier to judge, and low-frequency decisions translate more reliably outside the studio.
- Automatic subwoofer detection and routing
- Gain, crossover, phase, and delay aligned automatically
- Works with any brand of monitors and any subwoofer.

Analog, digital, or hybrid

Balanced combo XLR/TRS inputs, balanced XLR monitor outputs, a dedicated subwoofer output, USB-C digital audio, and optical S/PDIF input and output let ARC STUDIO+ fit naturally into modern monitoring systems, in stereo or 2.1.

USB-C playback sends audio directly from your computer to your monitoring chain, while optical digital connectivity lets compatible systems stay in the digital domain from source to speaker. It drops into console-based, hybrid, and fully in-the-box setups without rethinking your routing.

Nothing else does all of this in one box

Monitor controllers route sound and switch speakers. They don’t fix your room or integrate your sub. Simple room EQ boxes apply generic curves, often only to the mains, with limited bass control and no automatic sub alignment.
Plug-in solutions require a computer in the loop, add latency, and can’t address the analog side of your monitor chain.
ARC STUDIO+ is different:
- Standalone hardware that corrects your entire monitoring system, including the sub
- Powered by ARC X, the latest generation of IK’s ARC technology, first introduced in 2007
- Refined over years of real-world feedback from studios of every size
- Works whether you’re fully in the box, hybrid, or running hardware synths and outboard
- Audio quality and a feature set that nothing else offers at this price.

Customize your workflow with ARC X

ARC X is the measurement and control software behind ARC STUDIO+. Connect it when you want higher-resolution 7- and 21-point 3D room analysis, then upload the finished profile and disconnect. Correction keeps running in the hardware.
ARC X is also where you shape how your system sounds. Audition your mix through virtual speakers to check how it holds up on other playback systems, apply or edit target curves for a specific monitoring perspective, and tune your speakers to taste without giving up accuracy.

Integrated Subwoofer Management

Low frequencies are the hardest part of any room to control.
Leveraging technology developed for iLoud Sub, ARC STUDIO+ detects a connected subwoofer automatically and aligns gain, crossover, phase, and delay as part of calibration. It works with any brand of monitors and any subwoofer, creating a cohesive system with clear, defined low end.

Measurement & Calibration

Accurate correction starts with accurate measurement.
ARC STUDIO+ pairs the included ARC measurement microphone with advanced room-analysis technology to read your listening environment and build a correction profile tailored to it. Run fast 1- or 3-point calibration directly from the hardware, or connect to ARC X for higher-resolution 7- and 21-point 3D room analysis. Correction covers the full audible range, from 20 Hz to 20 kHz.

Hardware-based correction

Your monitoring chain should be simple. Because correction happens inside dedicated hardware, ARC STUDIO+ works independently of your DAW, operating system, or playback source. Whether you're mixing, mastering, editing video, streaming, or simply listening, your calibrated monitoring environment remains consistent.

Recall your setup instantly.

Three programmable Scene buttons on the front panel provide instant recall without touching a computer. Each Scene holds a complete configuration, including calibration profile, speaker routing, subwoofer on/off state, and input selection

Keep one Scene for your mix position, one for a second listening position, and one for a translation-check curve. Switch instantly from the front panel and manage your Scenes in depth in ARC X.

Scene 1. Mix position

• Your exact sweet spot at the desk
• Surgical accuracy for EQ, compression, and spatial decisions

Scene 2. Artist on the couch

• Perfectly corrected “sofa” position
• Your artist hears the record the way it’s meant to sound

Scene 3. Translation check

• Alternate curve for car, consumer, or club tilt
• Mono, band-limited, or a different speaker set. You decide.

IN DETAIL

Correction is only as transparent as the signal path it runs through. ARC STUDIO+ is built around mastering-grade conversion and premium internal clocking, with more than 120 dB of dynamic range, ultra-low distortion and jitter, and near-zero latency processing.
The result is a processor that corrects your room without coloring your audio. Working digitally over optical or USB-C, the correction chain is inserted with no additional A/D or D/A stage, so nothing enters the signal that was not already there.

- World-class conversion and clocking
- More than 120 dB(A) dynamic range
- Digital I/O skips unneeded conversion stages
- Near-zero monitoring latency

Specs

Audio

• Supported sample rates: 44.1, 48.0, 88.2, 96.0, 178.4, 192.0 kHz
• Audio conversion resolution: 32-bit
• Frequency Response: 2 Hz - 87.0 kHz (- 2.0 dB)
• Dynamic Range: 120 dB (A-weighted)
• THD (1 kHz@-1dBFS): 0.00011% (-119.4 dB)
• THD+N (1 kHz@-1dBFS): 0.00023% (-112.7 dB)
• Channel Crosstalk (1 kHz): -134.0 dB
• Max Phase Deviation: +7° 20Hz, +16° 22kHz
• Input Impedance (balanced): 20 kOhm
• Output Impedance (balanced): 50 Ohm
• Maximum input level: +18 dBu
• Maximum output level: +18 dBu

Latency

• Natural Phase mode: 1.4 ms
• Linear Phase mode: 42 ms

Power

• 5V DC, 2.5A, Center Positive

Dimensions

• Size: 19.7cm / 7.76" x 12.2cm / 4.80" x 4.4cm / 1.73"
• Weight: 625g / 1.38lb

Package includes

• ARC STUDIO+
• ARC Microphone
• ARC Microphone clamp
• ARC Microphone pouch
• USB Cable
• Power Supply Unit

Compatibility

• Windows: Intel, AMD, and Arm64 processors supported
• macOS: Apple Silicon and Intel processors supported
• For information on ARC X compatibility, please refer to the ARC X page

Why rooms lie

Reflections, standing waves and room dimensions create peaks, dips and timing problems that can skew mixing decisions. ARC measures and helps correct your room's response for more accurate monitoring and mixes that translate better.

Target curves

Not every workflow requires the same listening perspective. Target curves allow you to tailor the monitoring experience to suit different production goals while maintaining reliable translation. Whether you prefer absolute neutrality or a specific monitoring perspective, ARC STUDIO+ gives you the flexibility to work the way you prefer without sacrificing accuracy.

Integrated subwoofer management

Low frequencies are often the most difficult part of a room to control. ARC STUDIO's room correction process accounts for your full monitoring system — including subwoofers — helping create a more coherent listening environment with more reliable low-frequency information and greater confidence when balancing bass content.

ARC accuracy, everywhere

Because correction runs directly on ARC STUDIO+ hardware, your calibrated monitoring reference isn't tied to a specific DAW or session. Use it while recording, producing, mixing, mastering, or simply listening and keep the benefits of ARC X correction throughout your workflow.