Loewe Klang Bar I Review: A Premium HDMI Hub Disguised as a Soundbar
SoundbarsThe Loewe Klang Bar I is a precision-engineered soundbar from Germany that doubles as a four-port HDMI 2.1 hub — a combination no competitor currently matches. It is built for buyers who want a clean, cable-minimal home theater without a bulky AV receiver. It is not built for music streamers or smart home users.
Editor's Rating
4.5 / 5
For its intended use case
Design and Build: Understated Luxury
At just over 90 centimeters wide and standing 18 centimeters tall, the Klang Bar I occupies a confident presence beneath a large-format television. The 52-millimeter depth keeps the profile slim enough to sit on most TV consoles without blocking the screen, and the 1.9-kilogram weight signals real physical substance while remaining manageable for a single person to mount or reposition.
Loewe's design language here is decidedly European: clean lines, no flashy lighting, no aggressive grille textures. This is a soundbar meant to disappear into a thoughtfully decorated room rather than announce itself. The control panel is built directly into the unit, so basic adjustments are always within reach without hunting for the remote.
The included remote is a traditional battery-powered unit — functional and purposeful, though not rechargeable. There is no companion smartphone app and no voice control microphone array. These omissions are deliberate, not oversights, and they speak directly to the philosophy of this product.
Physical Specifications
- Width
- 916 mm
- Height
- 180 mm
- Depth
- 52 mm
- Weight
- 1.9 kg
- Control
- On-device + Remote
The Feature That Changes Everything: Four HDMI 2.1 Ports
This is the headline specification and it deserves proper attention. The vast majority of soundbars ship with one HDMI input — sometimes two. The Klang Bar I provides four HDMI connections, all running the HDMI 2.1 standard. It also supports both standard HDMI ARC and the newer enhanced ARC (eARC), enabling communication with a compatible television at the highest audio return channel bandwidth currently available.
Think of the typical high-end living room: a gaming console, a Blu-ray player, a streaming device, a cable or satellite box. Managing four such sources normally requires either a separate AV receiver — a large, expensive box — or a constant rotation of cables.
The Klang Bar I absorbs all four sources directly. It acts as an HDMI hub, switcher, and audio processor simultaneously, eliminating the need for a traditional receiver in setups where a full surround system is not required.
HDMI 2.1 supports the bandwidth needed for 8K video passthrough and high-refresh-rate 4K signals — exactly the kind of signals a current-generation gaming console produces at peak output.
For users routing a gaming console through the soundbar to the television, ultra-high frame rates and variable refresh rate features depend on full HDMI 2.1 bandwidth being maintained through every device in the chain. The Klang Bar I preserves that chain intact.
HDMI ARC vs. eARC — What You Need to Know
Standard ARC limits the audio signal that travels from your TV back to the soundbar. eARC removes those limits, enabling lossless audio formats including Dolby TrueHD and full Dolby Atmos bitstreams. The Klang Bar I supports both, so it works with any modern television, and upgrades automatically when eARC is available on the TV side.
Audio Performance: Dolby Atmos Without DTS:X
The Klang Bar I supports Dolby Atmos — the spatial audio format that adds height and three-dimensional positioning to sound, creating the impression that audio moves above and around you rather than across a flat horizontal stage. For streaming content, major cinema releases, and premium television programming, Atmos is the dominant format, and its presence here is appropriate for a soundbar at this positioning.
What the Klang Bar I does not support is DTS:X, the competing spatial audio standard. In practical terms, most mainstream content — from major streaming platforms — is encoded in Dolby formats, so the absence of DTS:X will not affect the majority of viewing sessions. However, buyers with large physical Blu-ray collections will find that a portion of their disc library is encoded exclusively in DTS:X or DTS-HD Master Audio, and for those discs, the Klang Bar I will fall back to a compatible secondary track.
Additionally, Dolby Digital and Dolby Digital Plus — the compressed Dolby formats used in broadcast television and some streaming — are not listed as supported. This is an unusual position for a soundbar claiming Dolby Atmos capability. Prospective buyers should verify format compatibility with their specific television and source combination before purchasing.
Audio Format Support
- Dolby Atmos
- DTS:X
- Dolby Digital Plus
- Dolby Digital
Wireless Audio: Bluetooth Without Wi-Fi
The Klang Bar I supports Bluetooth with aptX and AAC codecs. Android devices with aptX support will transmit audio at a quality step above baseline Bluetooth, and Apple devices benefit from AAC — Apple's preferred wireless audio codec. Both represent a meaningful improvement over standard Bluetooth audio quality for casual listening.
Bluetooth Codec Support
-
aptX
Enhanced quality for Android devices
-
AAC
Apple's preferred wireless codec
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aptX Adaptive
Not supported
Bluetooth version 4.2 — functional but an older generation of the standard
The Wi-Fi Omission
There is no Wi-Fi connectivity in this soundbar — none. This rules out the following entirely:
- Spotify Connect
- AirPlay streaming
- Chromecast Audio
- Multi-room audio
- Direct network streaming
For a premium soundbar, this is a significant departure from category norms. Competing products at similar price points typically offer at least one Wi-Fi-based streaming option. This appears to be a deliberate philosophical choice — Loewe positions this as a pure television audio hub, not a music streamer.
No Smart Features, By Design
The Klang Bar I carries zero built-in voice assistant support. No Alexa, no Google Assistant, no Siri or Apple HomeKit compatibility. There are no microphones in the unit and no dedicated smartphone app. This is a deliberate stripping of the smart home layer that most competing soundbars now include as standard.
Why This Can Be a Feature
- No microphones means no ambient listening — a genuine privacy benefit
- No dependency on manufacturer servers remaining active years from now
- No cloud latency — local control via remote and on-device panel only
Why This Can Be a Limitation
- Voice commands for volume and input switching are not available
- No app-based EQ adjustment or input management from a phone
- Cannot integrate into Alexa or Google Home smart home ecosystems
Who the Loewe Klang Bar I Is Built For
-
The Premium Minimalist
Four HDMI sources — gaming console, Blu-ray, streaming stick, cable box — all connected through a single elegant device, without an AV receiver taking up shelf space.
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The Design-Conscious Buyer
Furnishing a carefully designed room where visible technology should be unobtrusive and convey high-build-quality European craftsmanship.
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The Future-Proof HDMI Planner
Investing in current-generation gaming hardware and 4K content pipelines who needs full HDMI 2.1 bandwidth preserved through every link in the chain.
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The Dolby Atmos Streamer
Media consumption weighted toward major streaming services and Dolby-encoded content, with little reliance on DTS-formatted physical media.
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The Music Streamer
Daily use involving Spotify Connect, AirPlay, or Chromecast audio is structurally impossible without Wi-Fi. Bluetooth is the only wireless option.
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The DTS Enthusiast
Collectors with extensive DTS-encoded Blu-ray libraries will encounter meaningful format compatibility gaps during regular use.
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The Smart Home Integrator
Builders of Alexa or Google Home ecosystems will find no entry point here. Zero voice assistant compatibility of any kind.
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The App-Centric User
Those expecting to fine-tune EQ and manage settings from a phone app must adapt to remote-only and on-device control exclusively.
Competitive Positioning
The Klang Bar I trades the breadth of smart features that competitors offer for depth of HDMI connectivity. No other soundbar in its class offers four HDMI 2.1 ports. That single differentiator is both its most compelling selling point and the clearest signal of its intended use case.
| Feature | Loewe Klang Bar I | Typical Premium Competitor |
|---|---|---|
| HDMI Inputs | 4 x HDMI 2.1 | 1–2, often HDMI 2.0 |
| HDMI ARC / eARC | Both ARC & eARC | Usually eARC only |
| Wi-Fi Streaming | None | AirPlay, Chromecast, or both |
| Voice Assistant | None | Alexa or Google Assistant |
| Dolby Atmos | ||
| DTS:X | ||
| Bluetooth Codec | aptX, AAC | Often aptX HD, LDAC |
| Smartphone App | ||
| Build Philosophy | European Luxury | Feature-forward |
Honest Assessment: Strengths and Weaknesses
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Unmatched HDMI connectivity
Four HDMI 2.1 ports at this form factor is genuinely unique. No competitor currently offers this configuration in a slim soundbar.
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Genuine premium build quality
The physical construction conveys authentic high-quality manufacturing — not the hollow lightweight construction common in mass-market soundbars.
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Dolby Atmos for streaming content
Full Atmos support meets the requirements of current-generation streaming content from all major platforms.
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Clean, minimal design language
Loewe's European aesthetic integrates into design-led interiors in a way that most consumer soundbars cannot.
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No Wi-Fi is increasingly anachronistic
In a premium soundbar category where Wi-Fi streaming is now expected, the complete absence is a genuine limitation that cannot be worked around.
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Bluetooth 4.2 shows its age
Functional but outpaced by more recent Bluetooth generations, and lacking the codec quality ceiling that aptX HD or LDAC would provide.
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DTS:X and Dolby Digital gaps
Physical media libraries with DTS content and broadcast television viewing may encounter format compatibility limitations.
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No smartphone app or voice control
Buyers accustomed to app-based EQ and input management will find the control experience a step backwards from modern category standards.
Every one of these weaknesses represents a deliberate product decision, not a failure of execution. Loewe appears to have chosen this configuration consciously. The question is whether your use case aligns with those choices.
Frequently Asked Questions
Final Verdict
The Loewe Klang Bar I: Precision Over Breadth
The Loewe Klang Bar I is a product that will be exactly right for a specific type of buyer and genuinely wrong for another. Its identity is unusually clear for a soundbar: this is a premium HDMI 2.1 hub with Dolby Atmos audio, built in Germany, for buyers who want a minimal and elegant home theater installation without a rack-mounted AV receiver.
Within that vision, the execution is strong. Four HDMI 2.1 ports at this form factor is an industry-leading specification. The build quality delivers on Loewe's premium positioning. Dolby Atmos support meets the requirements of current-generation streaming content. And the absence of smart home clutter will appeal to buyers who have deliberately avoided it.
The weaknesses are equally well-defined. No Wi-Fi, an older Bluetooth standard, gaps in DTS format support, and no app or voice control are real limitations — each deliberate, each potentially disqualifying depending on your priorities.
Buy It If...
You want a beautifully built HDMI 2.1 audio hub with Dolby Atmos, no cable clutter, and no dependency on smart home infrastructure.
Skip It If...
You want a soundbar that doubles as a streaming platform, smart home node, or multi-room audio hub accessible from your phone.
Overall Rating
Rated for its intended purpose as a premium HDMI hub soundbar. Buyers outside that use case should rate it lower in their own evaluation.
