Focal Mu-So Hekla
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FedEx Freight Service Comparison
| Feature / Service | Scheduled Curbside Delivery | White Glove Delivery |
|---|---|---|
| Scheduled delivery appointment | ✔ | ✔ |
| Delivery location | Ground level only (garage, front door, loading dock) | Room of choice, any floor |
| Delivery team | 1 person | 2 people |
| Placement inside home/business | ✘ | ✔ |
| Upstairs / downstairs delivery | ✘ | ✔ |
| Unpacking | ✘ | ✔ (upon request) |
| Packaging removal | ✘ | ✔ (upon request) |
| Assembly / installation | ✘ | ✘ |
| Old item removal | ✘ | ✘ |
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Overview
The High Notes
One-box System That Sounds like Separates
Dolby Atmos Done the Right Way
Serious Streaming and Room Tuning
Focal Mu-so Hekla: The Ultimate All-in-One Hi-Fi & Home Theater System?
At first glance, the new Focal Mu-so Hekla looks like a premium Dolby Atmos soundbar. Technically, if you want to call it that, it is the most expensive soundbar we’ve ever covered. However, Focal doesn’t even call it a soundbar—and after testing it, we understand why.
Once you dig into the capabilities of the Hekla, you realize it is far more than a speaker you tuck under a TV. It is effectively an all-in-one hi-fi and home theater system in a single chassis. It is built to handle everything from immersive Dolby Atmos movies to serious high-resolution music listening without requiring a receiver or separate speakers.
Is it the right fit for your room? Let’s dive into the design, specs, and performance.
Design & Build Quality: Premium Naim DNA
If you are familiar with Naim’s Mu-so 2nd Generation, the design language of the Hekla will feel immediately familiar. It features:
- A wide, alternating brushed and bead-blasted aluminum chassis.
- The signature illuminated volume dial on top.
- Naim’s distinct heat sink design across the back.
Dimensions & Placement: Important Considerations
The size of the Mu-so Hekla is a critical factor in determining if this product is right for you. It is roughly 39 inches wide, which is standard, but the depth and height are unique:
- Height: ~4.6 inches
- Depth: ~11.6 inches
Internal Architecture & Drivers
The Mu-so Hekla is physically larger than competitors because it is packed with high-performance internals. It boasts a total amplification of 660 watts (3 channels at 60W, 12 channels at 40W) driving 15 total speakers:
- Front Firing (7 Drivers): Three 6x3” racetrack woofers, two 2.75” midranges, and two 1” tweeters.
- Side Firing (4 Drivers): Two 1.5” x 2.75” full-range drivers on each side to create width.
- Upward Firing (4 Drivers): Two full-range drivers on the left and right top for Dolby Atmos height effects.
Audio Format Support & Connectivity
What makes the Hekla stand out is just how broad its format support actually is. Unlike many soundbars that are limited in decoding, the Hekla acts as a comprehensive receiver substitute.
Multichannel Audio Support
Whether via HDMI eARC or streaming, the Hekla supports a wide array of immersive formats:
- Dolby Digital AC3: Up to 5.1
- Dolby Digital Plus: Efficient surround sound.
- Dolby TrueHD: Lossless audio decoding.
- Dolby MAT over HDMI: Essential for Apple TV 4K and gaming consoles.
- Dolby AC-4: Next-gen audio support up to 7.1.4.
- Multichannel FLAC & WAV: Audiophile surround support up to 7.1.
- Apple Multichannel: Native support for Apple’s spatial streaming formats.
High-Resolution Music Files
For the audiophiles, the Hekla leverages Naim's streaming pedigree to handle high-res files with ease:
- WAV: Up to 32-bit/384kHz
- FLAC & AIFF: Up to 24-bit/384kHz
- DSD: Supports both DSD64 and DSD128
Inputs & Outputs
- HDMI eARC: Seamless connection for TV audio and volume control.
- Optical Toslink: Supports up to 24-bit/96kHz.
- Subwoofer Out (RCA): Allows for connection of an external subwoofer (adjustable via app).
- Ethernet: For wired network connection.
- Wi-Fi 6: For robust wireless streaming.
Software & Processing: Sphere, Dolby & ADAPT
The Focal & Naim App is central to the experience, allowing control over streaming (Spotify Connect, etc.), multiroom setups (up to 32 devices), and EQ settings. The Hekla also introduces advanced processing modes:
Sphere vs. Dolby Modes
- Sphere Modes: Developed by Focal engineers, this uses beamforming and crosstalk cancellation to use room reflections for immersion. It is ideal for enclosed rooms up to 400 sq ft and creates a wide listening zone for multiple people.
- Dolby Modes: Uses binaural virtual spatialization. This is better suited for larger or less soundproofed spaces where you want a focused listening zone.
ADAPT Technology
The Hekla features ADAPT (Adaptive Acoustic Personal Tuning). This patented algorithm calibrates the system based on your room's geometry. You can input distances manually or use the AR feature in the app. In our testing, ADAPT was a game-changer, significantly improving spatial presentation in rooms with non-traditional acoustics.
Performance Review
After spending time with the Hekla, the hype holds up.
- Music: It delivers the classic Naim sense of power and scale with Focal’s composed voicing. The low end is outstanding—it feels like there is a subwoofer in the room, tight and controlled without bloat.
- Home Theater: The Atmos effects are convincing, with height and width that feel intentional rather than smeared. Dialogue clarity is excellent; voices sound full and natural, even during chaotic action scenes.
Comparison
At $3,599, the Hekla plays in a league above standard soundbars. While a full component system (like a Sonos Arc Ultra + Eras + Sub) might create a larger surround bubble due to physical rear speakers, the Hekla is the king of single-box solutions.
Compared to the Devialet Dione or KEF XIO, the Hekla plays bigger, moves more air, and fills larger rooms with more authority. It sits in a category of its own.
The Verdict
The Focal Mu-so Hekla outperforms any traditional soundbar we have tested in terms of pure sound quality. However, it requires a specific setup—you need the right furniture to accommodate its depth and weight.
If you are looking for the highest-performing one-box solution that prioritizes high-fidelity music just as much as immersive cinema, the Mu-so Hekla belongs at the top of your list.
FAQs
Can I wall mount the Mu-so Hekla like a normal soundbar?
Not really. It is heavy, deep, and designed around upward-firing drivers that need open space above the unit. It performs best on a sturdy cabinet below a wall-mounted TV.
What’s the best placement for the Mu-so Hekla in a living room?
Wall mount your TV and place the Hekla on a deep cabinet below it. This keeps the screen clear, gives the top-firing drivers room to breathe, and makes the top controls easy to access.
Will it block the bottom of my TV?
It can, depending on your furniture and TV stand height. Because it is about 4.6 inches tall and roughly 11.6 inches deep, it often sits high and far forward on shallow consoles. If your TV sits low, wall mounting the TV is usually the clean fix.
Do I need a subwoofer with the Mu-so Hekla?
In many medium rooms, no. Bass is already powerful and controlled. If you have a larger room or want more impact for movies, you can add a subwoofer using the RCA sub output and adjust level and crossover in the app.
Does it support Dolby Atmos from Apple TV 4K?
Yes. It supports Dolby MAT over HDMI eARC, which is important for Apple TV 4K and many modern game consoles.
Does it support DTS or DTS:X?
Not currently. If DTS is a major part of your disc library or setup, plan around that.
What is ADAPT and should I use it?
ADAPT is Focal’s room tuning system. You enter room measurements manually or use the app’s AR feature, and it calibrates how sound is distributed across the drivers. In real rooms, especially imperfect ones, it can noticeably improve imaging and immersive presentation.
What are Sphere modes and when do they help?
Sphere modes are Focal’s immersive modes designed to create a wider listening zone using processing like beamforming and crosstalk cancellation. They can be especially useful in enclosed rooms and when multiple people are spread across a couch.
What connections does the Mu-so Hekla have?
HDMI eARC for TV connection, optical Toslink, Ethernet, Wi-Fi for streaming, Bluetooth for convenience, and an RCA subwoofer output.
Is it better for music or movies?
Both. It is one of the rare one-box systems that delivers genuinely satisfying hi-fi sound for music while also providing convincing Atmos immersion and excellent dialogue clarity for movies.
We’re Here to Help!
Have questions about the Focal Mu-so Hekla or how it fits into your room? Contact our experts via chat, phone, or email. You can also visit one of our world-class showrooms to experience it for yourself.
Planning a media room? Check out our Home Theater Design page, featuring our FREE Home Theater Design Tool to visualize your perfect setup.
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Details & Specs
Mu-so Hekla redefines the home cinema experience by integrating advanced acoustic and electronic architecture into a remarkably compact format. The result? Breathtaking performance delivered by an immersive all-in-one system with a refined, high-end design. Effortlessly placed on a piece of furniture, it unleashes the power of Iceland’s Hekla volcano through Dolby Atmos® technology: the bass is deep, the dialogue exceptionally clear, and the soundstage striking — reaching into every corner of your living room. More than just an audio system, it’s total immersion in your films, video games or music playlists — with the ease of installation and use of a compact all-in-one solution.
SPECTACULAR IMMERSION
Inspired by Iceland’s Hekla volcano, the system delivers powerful, enveloping sound thanks to Dolby Atmos® technology. Whether it’s films, music, or video games, Mu-so Hekla enhances every piece of content with breathtaking spatial audio, powered by the acoustic and electronic expertise of Focal and Naim.
ADVANCED TECHNOLOGY, SIMPLY CONTROLLED
Mu-so Hekla is effortless to set up and use, connecting seamlessly to your music sources, including high-resolution streaming. Control it your way through the Focal & Naim app, smartwatch (Apple, Samsung), voice assistant or your home automation system.
EXCELLENCE MADE SIMPLE
Crafted from anodized aluminum, Mu-so Hekla packs 15 speaker drivers and 660 watts of power to comfortably fill rooms up to 40m² with rich, detailed sound. Intelligent tuning adapts to your room and listening preferences for a perfectly personalized experience.
Key Features
- A Home Cinema experience in an all-in-one system. A single piece, discreet and powerful, to be placed on a piece of furniture.
- Dolby Atmos® technology for fully immersive playback of your compatible content - supporting configurations up to 7.1.2.
- 660 W of power delivered through 15 speaker drivers. Immersive and powerful spatialization.
- Optimized connection for seamless integration into your audiovisual setup (TV, gaming console, CD/Blu-ray player, subwoofer).
- Latest streaming board from the Naim Pulse Platform. The NPP gives you access to your favourite streaming services with full connectivity and constant updates. The Sphere module is dedicated to Focal's immersive speakers.
- Control via Focal & Naim application, used by all Focal and Naim streamers. Quick access through Widgets, smartwatches, or compatible voice assistants (Google and Apple). Multiroom and Party mode compatible.
- Audio Mode “Sphere” by Focal and Naim, designed by Focal Naim engineers, with a hybridization of Beamforming and Crosstalk Cancellation technologies.
- ADAPT technology: personalize the audio rendering according to your room’s configuration.
| Model | Mu-So Hekla |
|---|---|
| Type | All-in-one immersive system |
| Speaker Drivers | 15 Speaker Drivers Front: 3 x Woofers (6”x3”), 2 x Midranges (2.75”), 2 x Tweeters (1”) Side: 4 x Full range (1.5”x 2.75”) Top: 4 x Full range (1.5”x 2.75”) |
| Bandwidth (+/-3dB) | 30Hz – 20kHz |
| Low-Frequency Cut-Off (-6dB) | 27Hz |
| Maximum Sound Level | 108 dB SPL (@1m) |
| Amplification Power per Speaker Driver | 660W on 15 speaker drivers Woofer: 3 x 60W (4Ω, 1% THD) Full range / Midrange / Tweeter: 12 x 40W (6Ω, 1% THD) |
| Analogue Outputs | 1 x RCA pair for subwoofer connection |
| Digital Inputs | 1 x Optical TOSLINK (up to 24bits/96kHz) 1 x HDMI eARC, CEC 1 x RJ45 Ethernet |
| Streaming Services | TIDAL®, Qobuz®, QQ Music® |
| Wireless Streaming Technologies | Google Cast, AirPlay, Bluetooth®, UPnP™ Spotify® via Spotify Connect TIDAL® via TIDAL Connect Qobuz® via Qobuz Connect QQ Music® via QPlay (China only) |
| Internet Radio | Internet Radio (with Xperi extended Metadata) from Naim server Streaming containers: HLS, DASH, OGG Codecs: MP3, AAC, Vorbis, FLAC, OPUS |
| Audio Format | WAV – up to 32bits/384kHz FLAC and AIFF – up to 24bits/384kHz ALAC – up to 24bits/384kHz MP3 – up to 48kHz/320kbits (16bits) AAC – up to 48kHz/576kbits (16bits) OGG – up to 48kHz (16bits) OPUS – up to 48kHz (16bits) DSD64 and DSD128 Bluetooth® 5.1 – SBC, AAC Handles smooth, gapless playback on all formats (up to 384kHz over wireless). |
| Multichannel Audio Format | Dolby Digital AC3 – Channel based 5.1 up to 48kHz Dolby Digital AC4 – Up to 7.1.2 up to 48kHz Dolby Digital Plus (EAC3) – Channel based: 7.1 up to 48kHz; Object based 16ch up to 48kHz Dolby Digital TrueHD – Channel based, 7.1 up to 96kHz; Channel based 5.1, 192kHz; Object based 16ch up to 96kHz Dolby MAT (HDMI only) – Channel based: 7.1 up to 48kHz; Object based 16ch up to 48kHz Multichannel FLAC (Streamer only) – Channel based 7.1 up to 192kHz Multichannel WAV (Streamer only) – Channel based 7.1 up to 192kHz Apple APAC (Streamer only) – Configured to 7.1.2 mode up to 192kHz |
| Control | Focal & Naim App (iOS and Android) |
| Update | Wireless updates via Focal & Naim App |
| Multiroom Connectivity | Sync up to 32 Focal & Naim streaming devices via the Focal & Naim App |
| Network | Ethernet (10/100/1000Mbps), Wi-Fi 6 (802.11 a/b/g/n/ac/ax) |
| Automatic Standby Time | User selectable: adjustable from off up to 2 hours (default 20 minutes) |
| Rated Power Consumption | 200W |
| Power Consumption (Network Standby) | < 2W |
| Power Consumption (Standby) | < 0.5W |
| Main Power Supply | 100V to 240V, 50/60Hz |
| Finishes | Brushed anodised and sandblasted aluminum |
| Grill | Included |
| Dimensions (HxWxD) | 4.65 x 39.37 x 11.61 in. (11.8 x 100 x 29.5 cm) |
| Weight | 15.5 kg |
