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Klipsch Flexus Core 300

KlipschSoundbar

Flexus Core 300

Released September 2025.4Reviewtechradar.com/televisions/soundbars/klipsch-flexus-core-300-reviewRead 10 October 2026Review published 27 September 2025 and states first available September 2025. Last checked 10 October 2026.

System channel configuration
5.1.2
Dolby Atmos
Yes
Separate subwoofer included
No
HDMI eARC
Yes

52 of 98 fields known.

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At a glance

Ports

  • HDMI 2.1
  • HDMI
  • Optical
  • USB-C
  • Ethernet
  • RCA
  • 3.5 mm audio
  • Other
  • AC power

All specs

SourceCalculated

Audio system

System channel configuration
5.1.22Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026Speaker system: 5.1.2 Dolby Atmos Soundbar.
Physical drivers in the package
131Maker product pageklipsch.com/products/flexus-core-300Read 10 October 2026Page text counts four front-firing 2.25 in drivers, one 0.75 in horn-loaded tweeter, two 2.25 in up-firing Dolby Atmos drivers, two 2.25 in side-firing drivers and four built-in 4 in subwoofer drivers (two pairs). Total 13.
Physical drivers in the bar
131Maker product pageklipsch.com/products/flexus-core-300Read 10 October 2026Same driver inventory. All drivers are in the bar. No subwoofer or rear speaker is supplied.
Up-firing drivers in the package
21Maker product pageklipsch.com/products/flexus-core-300Read 10 October 2026Page text names two up-firing Dolby Atmos drivers. The spec sheet table also lists the four 4 in woofers under its up-firing row. That grouping is not clear, so only the two Atmos drivers are counted.
Driver layout
ComponentDriver typeCountDiameter (mm)Orientation
SoundbarPaper cone driver457.15Front-firing
SoundbarHorn-loaded tweeter119.05Front-firing
SoundbarDiscrete full-range Dolby Atmos driver257.15Up-firing
SoundbarPaper cone driver257.15Side-firing
SoundbarHigh-output paper cone built-in subwoofer driver4101.6Not available
Source1Maker product pageklipsch.com/products/flexus-core-300Read 10 October 2026Sizes are the page and spec sheet inch figures converted at 25.4 mm per inch. The spec sheet narrative says 2.5 in side-firing drivers while its table and the page say 2.25 in. The table figure is stored. Orientation of the four 4 in woofers is not stated clearly.
Separate subwoofer included
No2Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026Included accessories list has no subwoofer. The Flexus subwoofers are separate purchases.
Included subwoofer connection
Not available
Included subwoofer driver diameter
Not available
Rear speakers included
02Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026Included accessories list has no rear speakers. The Flexus surround speakers are separate purchases.
Included rear speaker connection
Not available
Detachable rear speakers
No2Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026Single-piece bar. The included accessories list has no detachable section.
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.
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.
Total RMS audio output power
Not available
Total peak audio output power
Not available
Published frequency response lower limit
43Hz2Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026Frequency response 43 Hz - 20 kHz. No tolerance or test condition is given.
Published frequency response upper limit
20kHz2Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026Frequency response 43 Hz - 20 kHz. No tolerance or test condition is given.

Audio formats

Dolby Atmos
Yes1Maker product pageklipsch.com/products/flexus-core-300Read 10 October 2026Page: processes Dolby Atmos with built-in up-firing speakers.
DTS:X
Yes2Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026Text: DTS:X decoding onboard, decoding major audio formats via HDMI input.
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.
Audio formats by connection
Not available
Music file formats
MP32Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026USB input row: system updates and playback of MP3 files.
Max wired audio sample rate
Not available
Max music file sample rate
Not available
Max wired audio bit depth
Not available
Max music file bit depth
Not available

Connectivity

Ports on the bar
ConnectorCountVersionRole
HDMI12.1HDMI IN for a source device with video passthrough
HDMI1Not availableHDMI eARC output to the TV
Optical1Not availableDigital audio input
USB-C1Not availableUSB input. The spec sheet says system updates and MP3 playback
Ethernet1Not availableNetwork connection
RCA1Not availableSUB OUT subwoofer output
3.5 mm audio1Not availableMIC input for the supplied Dirac Live calibration microphone
Other1Not availableFlexus transmitter port for the wireless subwoofer and surround dongles
AC power1Not availableMains power input
Source3Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Flexus-Core_300-Manual.pdfRead 10 October 2026Sound bar input/output page 6 shows power, Ethernet, USB-C, SUB OUT, HDMI eARC, HDMI IN, Flexus transmitter port, MIC, optical and a pair button. The spec sheet inputs row says USB-C but its USB input row says Type-A. The manual figure is followed. The pair button is not stored.
HDMI ARC
Not available
HDMI eARC
Yes3Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Flexus-Core_300-Manual.pdfRead 10 October 2026Manual connection page and display list name the HDMI eARC input.
HDMI-CEC
Yes3Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Flexus-Core_300-Manual.pdfRead 10 October 2026Display list shows a CEC on or off toggle for the CEC protocol.
HDMI video passthrough
Yes2Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026Inputs list HDMI 2.1 passthrough and outputs list HDMI Out.
Video passthrough modes
Width (px)Height (px)Refresh rate (Hz)
38402160120
Source4Reviewtechradar.com/televisions/soundbars/klipsch-flexus-core-300-reviewRead 10 October 2026Review states 4K 120 Hz passthrough on the HDMI input. The maker states HDMI 2.1 passthrough only. Chroma, bit depth and HDR conditions are not stated.
HDR passthrough formats
Not available
VRR passthrough
Not available
ALLM passthrough
Not available
HDCP version
Not available
Bluetooth audio input
Yes3Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Flexus-Core_300-Manual.pdfRead 10 October 2026Display list shows Bluetooth input and pairing. Version and codecs are not stated.
Bluetooth version
Not available
Bluetooth audio codecs
Not available
Wi-Fi
Yes3Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Flexus-Core_300-Manual.pdfRead 10 October 2026Compliance pages describe a play-fi module with 2.4 GHz and 5 GHz dual bands. Streaming source labels on the display include Cast, AirPlay, Spotify, Tidal and Q Play.
Wi-Fi standard
Not available
Wi-Fi bands
2.4 GHz, 5 GHz3Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Flexus-Core_300-Manual.pdfRead 10 October 2026Compliance pages: play-fi module 2.4G and 5 GHz dual bands.
Built-in Ethernet speed
Not available

Streaming and control

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
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
Klipsch Connect Plus1Maker product pageklipsch.com/products/flexus-core-300Read 10 October 2026Page names the Klipsch Connect Plus app for EQ presets, custom EQ, Night Mode, Dialogue Boost and volume.
Companion app platforms
iOS, Android1Maker product pageklipsch.com/products/flexus-core-300Read 10 October 2026Page offers downloads for iOS and Android.
Multiroom audio
Not available
Remote included
Yes2Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026Included accessories list a BLE backlit remote control.

Sound processing

Sound modes
Movie, Music3Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Flexus-Core_300-Manual.pdfRead 10 October 2026Display list: Movie (default) and Music modes, Dialog Boost off, low, medium and high, and Night off or on.
Automatic room calibration
Yes1Maker product pageklipsch.com/products/flexus-core-300Read 10 October 2026Page: built-in Dirac Live room correction scans the room. A microphone is in the box.
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

Power

Published operating power
Not available
Published standby power
Not available
Published networked standby power
2W3Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Flexus-Core_300-Manual.pdfRead 10 October 2026Power consumption page: network standby mode is lower than 2 W. Stored 2 is that upper bound and not an exact draw.
Power supply
Not available
Detachable rear battery life
Not available
Detachable rear charge time
Not available

Measured

We could not find any of these 8 fields. Show them
Low-frequency extension (measured)
Not available
High-frequency extension (measured)
Not available
Max sound pressure (measured)
Not available
Frequency response deviation (measured)
Not available
Measured latency
Not available
Operating power (measured)
Not available
Standby power (measured)
Not available
Soundbar weight (measured)
Not available

Dimensions and weight

Front and side, drawn to scale.

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.
Soundbar weight
8,500g(18.7 lb)2Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026Weight 18.7 lbs (8.5 kgs). Stored from the kilogram figure.
Component dimensions and weight
Not available
Package dimensions
Not available
Package weight
Not available
Wall mountable
Yes2Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026Mounting options: 1/4 x 20 threaded insert and an optional slim-depth wall bracket sold separately.

In the box

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.
Wall mount hardware included
No2Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026The wall bracket is optional and sold separately. It is not in the included accessories list.
HDMI cable included
Yes2Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026Included accessories list a 1.5 m HDMI cable.
Optical cable included
No2Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026No optical cable is in the included accessories list.

General

Series
Flexus1Maker product pageklipsch.com/products/flexus-core-300Read 10 October 2026Maker names the product line Flexus. The Core 300 sits above the Core 200 and Core 100.
Model numbers
1072083, 1072084, 10720852Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026Model table lists SKU 1072083 (NA), 1072084 (EUA) and 1072085 (CCC). Region names are as printed.
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
Predecessor
Not available
Successor
Not available
Launch price (US)
$1,199.994Reviewtechradar.com/televisions/soundbars/klipsch-flexus-core-300-reviewRead 10 October 2026Review lists $1,199.99 for the Core 300 soundbar alone, in US dollars. The subwoofer and surround speakers are priced separately. Tax is not included.
Launch price (EU)
Not available
Markets
Not available
Colours
Ebony Vinyl2Maker spec sheet (PDF)d2um2qdswy1tb0.cloudfront.net/spec-sheets/Flexus-Core-300-Spec-Sheet-v08.pdfRead 10 October 2026Finish row: Ebony Vinyl. A walnut version appears on the maker page but its finish name and SKU are not in the spec sheet.

Warranty

Manufacturer warranty (source market)
2years3Owner's manuald2um2qdswy1tb0.cloudfront.net/product-manuals/Flexus-Core_300-Manual.pdfRead 10 October 2026Sound bar warranty page for Flexus Core 100, 200 and 300, US: two years from the date of purchase.

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Sources

We read 5 sources for this soundbar. The numbers match the markers in the sheet.

  1. Read 10 October 2026Backs 19 fields
  2. Read 10 October 2026Backs 20 fields
  3. Read 10 October 2026Backs 15 fields
  4. Read 10 October 2026Backs 7 fields
  5. Read 10 October 2026Backs 1 field

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