Soundbars / Compare
Klipsch Flexus Core 300 vs Sonos Arc
Product A: Klipsch
52 of 98 known
Change Klipsch Flexus Core 300
Product B: Sonos
57 of 98 known
45 of 90 fields differ
- 26 different values
- 19 known for one only
- 14 the same
- 31 missing for both
Weight
0 to 30,000 g
Soundbar weight
A8,500g
B6,250g
All 98 fields
Every value links to where we found it.


Audio system
9 of 17 differ
System channel configuration
5.0.212Press articletechradar.com/reviews/sonos-arcRead 10 October 2026Review lists the speaker layout as 5.0.2 with 11 Class-D amplifiers, 8 woofers and 3 tweeters. This is the maker channel layout and not a driver count.15Reviewwhathifi.com/reviews/sonos-arcRead 10 October 2026Review states Sonos refers to the Arc arrangement as 5.0.2.16Reviewrtings.com/soundbar/reviews/sonos/arcRead 10 October 2026Public review lists the channels as 5.0.2.
Physical drivers in the package
111Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026All eleven drivers are in the bar. No subwoofer or rear speaker is supplied.13Press articletechradar.com/news/sonos-arc-enters-the-stratosphere-with-its-first-dolby-atmos-soundbarRead 10 October 2026News: an array of 11 drivers, eight mid-range woofers and three dedicated tweeters.
Physical drivers in the bar
Up-firing drivers in the package
Not available
Driver layout
AKlipsch Flexus Core 300
| Component | Driver type | Count | Diameter (mm) | Orientation |
|---|---|---|---|---|
| Soundbar | Paper cone driver | 4 | 57.15 | Front-firing |
| Soundbar | Horn-loaded tweeter | 1 | 19.05 | Front-firing |
| Soundbar | Discrete full-range Dolby Atmos driver | 2 | 57.15 | Up-firing |
| Soundbar | Paper cone driver | 2 | 57.15 | Side-firing |
| Soundbar | High-output paper cone built-in subwoofer driver | 4 | 101.6 | Not available |
BSonos Arc
| Component | Driver type | Count |
|---|---|---|
| Soundbar | Silk dome tweeter | 3 |
| Soundbar | Elliptical woofer | 8 |
Separate subwoofer included
Included subwoofer connection
Not available
Not available
Included subwoofer driver diameter
Not available
Not available
Rear speakers included
Included rear speaker connection
Not available
Not available
Detachable rear speakers
Compatible optional subwoofers
Flexus Sub 100, Flexus Sub 2001Maker product pageklipsch.com/products/flexus-core-300Read 10 October 2026Page offers the Flexus Sub 100 and Sub 200 as expansions. The manual says up to two wireless subwoofers can be added.
Sub (Gen 1), Sub (Gen 2), Sub (Gen 3), Sub 4, Sub Mini1Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026Support page for Sub compatibility lists Arc with all Sub models in certain configurations. Sub Mini support is listed in the next source.8Maker product pagesupport.sonos.com/en-us/article/sonos-products-that-support-sub-miniRead 10 October 2026Arc is listed under Home Theater products that support Sub Mini.9Maker product pagesupport.sonos.com/en-us/article/set-up-your-sonos-subRead 10 October 2026Sub (Gen 1, 2 and 3) and Sub 4 are compatible with Arc. Arc works with all Sub models in certain configurations. Optional subwoofers are not supplied.
Compatible optional rear speakers
Flexus Surr 100, Flexus Surr 2001Maker product pageklipsch.com/products/flexus-core-300Read 10 October 2026Page offers the Flexus Surr 100 and Surr 200 as expansions. The manual says up to two wireless surround speakers can be added.
Not available
Total RMS audio output power
Not available
Not available
Total peak audio output power
Not available
Not available
Published frequency response lower limit
Not available
Published frequency response upper limit
Not available
Audio formats
6 of 9 differ
Dolby Atmos
Yes1Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026Maker states Dolby Atmos with upward-firing drivers. Atmos over Dolby Digital Plus works on ARC or eARC. Dolby TrueHD and MAT Atmos need eARC.4Maker product pagesupport.sonos.com/en-us/article/listen-to-dolby-atmos-audio-from-your-tv-on-sonosRead 10 October 2026Arc supports Dolby Atmos playback in a Home Theater setup over HDMI ARC or eARC. Most Atmos plays over ARC with Dolby Digital Plus. Lossless Atmos with Dolby TrueHD needs eARC.
DTS:X
Supported audio formats
PCM, Dolby Digital, Dolby Digital Plus, Dolby TrueHD, Dolby Atmos, DTS, DTS-HD, DTS:X3Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Flexus-Core_300-Manual.pdfRead 10 October 2026Decoding and playback modes page: PCM (LPCM up to 8 channels), Dolby Digital, Dolby Digital Plus, Dolby TrueHD, Dolby Atmos, DTS, DTS-HD and DTS:X. The page does not tie each format to one input.
Stereo PCM, Dolby Digital, DTS Digital Surround, Dolby Digital Plus, Dolby Atmos (Dolby Digital Plus), Dolby TrueHD, Dolby Atmos (Dolby TrueHD), Multichannel PCM, Dolby Multichannel PCM, Dolby Atmos1Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026Home Theater Audio Formats list on the Tech Specs tab. eARC is required for Dolby Atmos (MAT), Dolby TrueHD, Dolby Atmos via TrueHD, Multichannel PCM and Dolby Multichannel PCM. The maker notes DTS Digital Surround is not an indication of a licensed decoder.
Audio formats by connection
AKlipsch Flexus Core 300
Not availableBSonos Arc
| Connection | Format |
|---|---|
| HDMI ARC | Stereo PCM |
| HDMI ARC | Dolby Digital |
| HDMI ARC | DTS Digital Surround |
| HDMI ARC | Dolby Digital Plus |
| HDMI ARC | Dolby Atmos (Dolby Digital Plus) |
| HDMI eARC | Stereo PCM |
| HDMI eARC | Dolby Digital |
| HDMI eARC | DTS Digital Surround |
| HDMI eARC | Dolby Digital Plus |
| HDMI eARC | Dolby Atmos (Dolby Digital Plus) |
| HDMI eARC | Dolby TrueHD |
| HDMI eARC | Dolby Atmos (Dolby TrueHD) |
| HDMI eARC | Multichannel PCM |
| HDMI eARC | Dolby Multichannel PCM |
| HDMI eARC | Dolby Atmos |
Source1Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026Rows follow the maker format list and its eARC-required footnote. ARC carries stereo PCM, Dolby Digital, DTS Digital Surround, Dolby Digital Plus and Atmos over Dolby Digital Plus. eARC adds the lossless and MAT rows. Channel limits are not published.3Maker product pagesupport.sonos.com/en-us/article/supported-home-theater-audio-formatsRead 10 October 2026Sonos Arc is listed for Dolby Digital Plus and Dolby Atmos over Dolby Digital Plus. Dolby TrueHD, Atmos over TrueHD, Atmos MAT, Multichannel PCM and Dolby Multichannel PCM require an eARC connection.
Music file formats
MP3, MP4, M4A, WMA, AAC, HE-AAC, OGG, FLAC, ALAC, AIFF, WAV5Maker product pagesupport.sonos.com/en-us/article/supported-audio-formats-for-sonos-music-libraryRead 10 October 2026Local music library playback through the current Sonos app. Mono or stereo files. This is separate from the HDMI home theater formats.
Max wired audio sample rate
Not available
Not available
Max music file sample rate
Not available
Max wired audio bit depth
Not available
Not available
Connectivity
8 of 17 differ
Ports on the bar
AKlipsch Flexus Core 300
| Connector | Count | Version | Role |
|---|---|---|---|
| HDMI | 1 | 2.1 | HDMI IN for a source device with video passthrough |
| HDMI | 1 | Not available | HDMI eARC output to the TV |
| Optical | 1 | Not available | Digital audio input |
| USB-C | 1 | Not available | USB input. The spec sheet says system updates and MP3 playback |
| Ethernet | 1 | Not available | Network connection |
| RCA | 1 | Not available | SUB OUT subwoofer output |
| 3.5 mm audio | 1 | Not available | MIC input for the supplied Dirac Live calibration microphone |
| Other | 1 | Not available | Flexus transmitter port for the wireless subwoofer and surround dongles |
| AC power | 1 | Not available | Mains power input |
BSonos Arc
| Connector | Count | Version | Role |
|---|---|---|---|
| HDMI | 1 | Not available | TV connection for HDMI ARC or eARC audio |
| Ethernet | 1 | 10/100 Mbps | Network connection |
| AC power | 1 | Not available | Mains power input |
HDMI ARC
Not available
HDMI eARC
HDMI-CEC
Yes2Owner's manualsonos.com/en-us/guides/arcRead 10 October 2026The guide describes TV control through the HDMI ARC link. See the TV requirements article for the CEC condition.10Maker product pagesupport.sonos.com/en-us/article/tv-requirements-for-sonos-home-theater-speakersRead 10 October 2026Arc needs a TV with an HDMI ARC port to use CEC or voice control of the TV. CEC control is unavailable through the optical adapter.
HDMI video passthrough
Video passthrough modes
AKlipsch Flexus Core 300
| Width (px) | Height (px) | Refresh rate (Hz) |
|---|---|---|
| 3840 | 2160 | 120 |
BSonos Arc
Not availableHDR passthrough formats
Not available
Not available
VRR passthrough
Not available
Not available
ALLM passthrough
Not available
Not available
HDCP version
Not available
Not available
Bluetooth audio input
No14Reviewsoundguys.com/sonos-arc-review-118429Read 10 October 2026Review FAQ states the Sonos Arc does not have Bluetooth.15Reviewwhathifi.com/reviews/sonos-arcRead 10 October 2026Review spec table lists Bluetooth as No.16Reviewrtings.com/soundbar/reviews/sonos/arcRead 10 October 2026Public review verdict lists no Bluetooth support. Membership-locked measurements were not used.
Bluetooth version
Not available
Not available
Bluetooth audio codecs
Not available
Not available
Wi-Fi
Wi-Fi standard
Not available
Wi-Fi bands
Built-in Ethernet speed
Not available
Streaming and control
8 of 8 differ
Streaming protocols
AirPlay 2, Google Cast, Spotify Connect, Tidal Connect, QPlay1Maker product pageklipsch.com/products/flexus-core-300Read 10 October 2026Page lists built-in connections to Apple AirPlay, Google Cast, TIDAL Connect, QPlay and Spotify Connect. The manual names AirPlay 2 on the display list.4Reviewtechradar.com/televisions/soundbars/klipsch-flexus-core-300-reviewRead 10 October 2026Review: Wi-Fi streaming supports Spotify Connect, Tidal Connect, AirPlay and Google Cast.
Voice assistants
Not available
Sonos Voice Control, Amazon Alexa, Google Assistant1Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026Tech Specs Voice entry: works with Sonos Voice Control, Amazon Alexa and Google Assistant. Availability varies by country and language.
Built-in microphone
No3Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Flexus-Core_300-Manual.pdfRead 10 October 2026The bar has a MIC input for a supplied wired calibration microphone. No built-in microphone or voice assistant is described.4Reviewtechradar.com/televisions/soundbars/klipsch-flexus-core-300-reviewRead 10 October 2026Review: no voice assistant support and a wired microphone supplied for Dirac Live.
Microphone mute control
Not available
Companion apps
Companion app platforms
iOS, iPadOS, Android, Fire OS, macOS, Windows, Web7Maker product pagesupport.sonos.com/en-us/article/sonos-app-requirementsRead 10 October 2026Current app: iOS and iPadOS 18+, Android 10+, Fire OS 7+. Desktop macOS 10.12+ and Windows 8+. Web app in Chrome, Firefox, Safari and Edge. Desktop and web have limited system setup features. Mobile iOS or Android is required for initial setup.
Multiroom audio
Not available
Remote included
Sound processing
3 of 7 differ
Sound modes
Automatic room calibration
Room calibration system
Dirac Live1Maker product pageklipsch.com/products/flexus-core-300Read 10 October 2026Page: Dirac Live. A public review says the supplied version is basic and a fuller licence costs extra.4Reviewtechradar.com/televisions/soundbars/klipsch-flexus-core-300-reviewRead 10 October 2026Review: Dirac Live calibration uses the supplied wired microphone and takes about ten minutes.5Reviewrtings.com/soundbar/reviews/klipsch/flexus-core-300Read 10 October 2026Public review intro says it is the first model with a basic version of Dirac Live, and the full licence costs extra. Membership-locked measurements were not used.
Dialogue enhancement
Yes1Maker product pageklipsch.com/products/flexus-core-300Read 10 October 2026Page: Dialogue Boost in the Klipsch Connect Plus app. The manual lists Low, Medium and High levels.3Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Flexus-Core_300-Manual.pdfRead 10 October 2026Display list: Dialog Boost with three levels.
Night mode
Yes1Maker product pageklipsch.com/products/flexus-core-300Read 10 October 2026Page: Night Mode in the Klipsch Connect Plus app. The manual shows NGT ON and NGT OFF on the display.3Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Flexus-Core_300-Manual.pdfRead 10 October 2026Display list: NGT OFF and NGT ON.
Equalizer controls
Bass level, Three-band EQ, Per-channel level1Maker product pageklipsch.com/products/flexus-core-300Read 10 October 2026Page: EQ presets or a custom EQ mix in the app.3Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Flexus-Core_300-Manual.pdfRead 10 October 2026Display list: bass equalizer level -6 to +6. Review text adds a three-band EQ and per-channel levels in the app.4Reviewtechradar.com/televisions/soundbars/klipsch-flexus-core-300-reviewRead 10 October 2026Review: three-band EQ with 6 dB boost or cut and individual channel volumes in the app.
TV speaker integration
Not available
Not available
Power
2 of 6 differ
Published operating power
Not available
Not available
Published standby power
Not available
Not available
Published networked standby power
Not available
Power supply
Not available
Detachable rear battery life
Not available
Not available
Detachable rear charge time
Not available
Not available
Measured
None of 8 known
Low-frequency extension (measured)
Not available
Not available
High-frequency extension (measured)
Not available
Not available
Max sound pressure (measured)
Not available
Not available
Frequency response deviation (measured)
Not available
Not available
Measured latency
Not available
Not available
Operating power (measured)
Not available
Not available
Standby power (measured)
Not available
Not available
Soundbar weight (measured)
Not available
Not available
Dimensions and weight
2 of 6 differ
Soundbar dimensions
Width1,372Height78Depth126mm(54 × 3.1 × 5 in)2Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026Dimensions 3 1/16 in (7.8 cm) H x 54 in (137.2 cm) W x 4 15/16 in (12.6 cm) D. Metric figures as printed.
Width1,141.7Height87Depth115.7mm(44.9 × 3.4 × 4.6 in)2Owner's manualsonos.com/en-us/guides/arcRead 10 October 2026Product guide specifications: 3.4 x 45 x 4.5 in (87 x 1141.7 x 115.7 mm), H x W x D. The shop page rounds to 1,142 x 87 x 116 mm.
Soundbar weight
Component dimensions and weight
Not available
Not available
Package dimensions
Not available
Not available
Package weight
Not available
Not available
Wall mountable
In the box
1 of 4 differ
In the box
Sound bar, Remote control with 2 AAA batteries, Power cord (2.0 m, region specific), HDMI cable (1.5 m), Wired microphone, User manual2Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026Included accessories: BLE backlit remote, 2.0 m power cord (region specific), 1.5 m HDMI cable, 2 AAA batteries and user manual. The manual's Inside page also shows a microphone.3Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Flexus-Core_300-Manual.pdfRead 10 October 2026Inside page shows sound bar, remote, power cord, HDMI cable and a microphone.
Sonos Arc, Power cord, HDMI cable, Optical audio adapter, Quickstart guide1Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026Package contents on the guide specifications. The shop Box Contents tab lists the soundbar, power cable, HDMI cable and optical audio adapter.
Wall mount hardware included
HDMI cable included
Optical cable included
General
5 of 7 differ
Series
Not available
Model numbers
GTIN / EAN
743878066692, 743878066708, 7438780667152Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026Model table lists UPC 743878066692 for NA, EAN 0743878066708 for EUA and 0743878066715 for CCC. Stored in the 12-digit UPC form with the leading zero removed from the EANs.
Announced
Not available
Status
Not available
Discontinued1Maker product pagesonos.com/en-us/shop/arcRead 10 October 2026Maker shop page marks the bar out of stock. Arc Ultra is its current product. The discontinued statement comes from the press source.15Reviewwhathifi.com/reviews/sonos-arcRead 10 October 2026Review update states the Sonos Arc has been discontinued and replaced by the Arc Ultra.
Predecessor
Not available
Not available
Successor
Not available
Launch price (US)
$79912Press articletechradar.com/reviews/sonos-arcRead 10 October 2026Review states the launch price was $799 for the standalone unit, before the later price increase to $899. Excludes US sales tax.13Press articletechradar.com/news/sonos-arc-enters-the-stratosphere-with-its-first-dolby-atmos-soundbarRead 10 October 2026News states a $799 launch price, with the UK and Australian prices alongside. Excludes US sales tax.15Reviewwhathifi.com/reviews/sonos-arcRead 10 October 2026Review header and price section state the Arc launched at $799, then rose to $899 in 2021.
Launch price (EU)
Not available
Not available
Markets
Not available
Not available
Colours
Links
Not compared
Product page
Spec sheet
d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdf1Maker product pageklipsch.com/products/flexus-core-300Read 10 October 2026
Not available
Manual
EPREL registration number
Not available
Not available
Warranty
1 of 1 differ
Manufacturer warranty (source market)
Both are also in the API. Back to all soundbars.















