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Klipsch Flexus Core 300 5.1.2-Channel Dolby Atmos Soundbar (Black)

BH #KLFLXC300SB • MFR #1072083
10 reviews
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Klipsch Flexus Core 300 5.1.2-Channel Dolby Atmos Soundbar (Black)
Key Features
  • 5.1.2-Channel Configuration
  • Built-In Dirac Live Room Calibration
  • Dolby Atmos Sound
  • 4 x Up-Firing Drivers
Hear what you're missing with auto-correcting multidimensional sound from the Flexus Core 300 5.1.2-Channel Dolby Atmos Soundbar from Klipsch. This soundbar is created in partnership with Onkyo, where hundreds of years of combined expertise and innovation are leveraged into this precision-engineered speaker that's part of the Flexus Sound System. Your movie and TV audio surrounds you with an array of speakers that include five front-firing, two side-firing, and four up-firing. This sound is tailored to your specific space using built-in Dirac Live auto room correction, where a quick scan using the Klipsch Connect Plus app can correct for anomalies.
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$899.99
$1,199.99
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Klipsch Core 300 Overview

Hear what you're missing with auto-correcting multidimensional sound from the Flexus Core 300 5.1.2-Channel Dolby Atmos Soundbar from Klipsch. This soundbar is created in partnership with Onkyo, where hundreds of years of combined expertise and innovation are leveraged into this precision-engineered speaker that's part of the Flexus Sound System. Your movie and TV audio surrounds you with an array of speakers that include five front-firing, two side-firing, and four up-firing. This sound is tailored to your specific space using built-in Dirac Live auto room correction, where a quick scan using the Klipsch Connect Plus app can correct for anomalies.

Network Streaming
Stream high-resolution audio over Bluetooth with support for Apple AirPlay, Google Cast, Tidal Connect, Qplay, and more
Klipsch Connect Plus
Easily manage and control the Flexus Core 300 using the Klipsch Connect Plus mobile app. Some of the functions include a streamlined setup, audio control, audio setting customization, device management, and firmware updates.
Additional Details
  • DTS:X decoding onboard via HDMI
  • HDMI 2.1 passthrough
  • HDMI eARC
  • USB-A input for firmware & MP3 playback
  • Wall mountable design
UPC: 743878066692

Klipsch Core 300 Specs

Key Specs
Channel Configuration
5.1.2-Channel
Low-Frequency Drivers
2x 4" / 10.2 cm Up-Firing
High-Frequency Drivers
1x 0.75" / 19.05 mm Front-Firing Tweeter
Full-Range Drivers
4x 2.25" / 5.72 cm Front-Firing
2x 2.25" / 5.72 cm Up-Firing
2x 2.25" / 5.72 cm Side-Firing
Inputs
1x HDMI 2.1
Outputs
1x HDMI
1x Optical TOSLINK - Audio
1x RCA - Subwoofer
Wireless Audio Protocols
Bluetooth
Wireless
Bluetooth
Audio Decoding
DTS:X
HDMI Compliance
eARC
Wall Mountable
Yes (with Optional Hardware)
Soundbar
Channel Configuration
5.1.2-Channel
Enclosure Type
Sealed
Low-Frequency Drivers
2x 4" / 10.2 cm Up-Firing
High-Frequency Drivers
1x 0.75" / 19.05 mm Front-Firing Tweeter
Full-Range Drivers
4x 2.25" / 5.72 cm Front-Firing
2x 2.25" / 5.72 cm Up-Firing
2x 2.25" / 5.72 cm Side-Firing
Frequency Response
43 Hz to 20 kHz
Connectivity
Inputs
1x HDMI 2.1
Outputs
1x HDMI
1x Optical TOSLINK - Audio
1x RCA - Subwoofer
USB I/O
1x USB-C (Unspecified Interface)
1x USB-A (Unspecified Interface) (Audio, Service)
Ethernet I/O
No
Wireless Audio Protocols
Bluetooth
Wireless
Bluetooth
NFC
No
Mobile App Compatible
Yes: Android & iOS
App Name: Klipsch Connect Plus
Functionality: Adjust Settings, Firmware Update
Compatibility
Audio Decoding
DTS:X
HDMI Compliance
eARC
Physical
Material of Construction
Metal, Plastic
Wall Mountable
Yes (with Optional Hardware)
Dimensions
54 x 3.1 x 5" / 137.2 x 7.8 x 12.6 cm
Weight
18.7 lb / 8.5 kg
Packaging Info
Package Weight
29.5 lb
Box Dimensions (LxWxH)
58 x 7.5 x 7.5"

Klipsch Core 300 Reviews

Works great most of the time.

By Jack
Rated 3 out of 5
Date: 2026-07-21

Works great most of the time. However, intermittently it stops producing audio output and buzzes with static-like noise. When that occurs, turning the soundbar off and back on clears the problem. Fortunately, Klipsch Support has agreed to replace the unit under warranty. Time will tell if the new unit works normally or repeats the problem.

Klipsch Flexus Core 300 Soundbar

By Pixelus
Rated 4 out of 5
Date: 2025-11-03

I recently replaced my Klipsch Cinema 1200 system with the new Flexus Core 300, and while I’ve only received the soundbar portion of the system so far without the Flexus SUB or Flexus SURR satellite speakers I'm already impressed by what this unit delivers on its own. The spatial engineering of the Core 300 is exceptional. Even without dedicated rear channels, the bar’s 5.1.2 Dolby Atmos configuration creates a convincingly immersive soundstage. The side-firing and up-firing drivers, powered by Klipsch’s acoustic design and Onkyo’s signal processing, simulate rear presence with surprising clarity. At times, I found myself turning to locate phantom speakers that weren’t physically there. While the Cinema 1200 had a more substantial, furniture-grade build, its materials and finish felt more premium, the Flexus 300 doesn’t feel out of place in my setup. Its sleek profile and understated design integrate well into the room, and it carries a modern elegance that complements its technical prowess. Bass response was another standout. For a soundbar operating without its companion subwoofer, the Flexus 300 delivers impressive low-end performance, thanks to its dual 4" up-firing woofers and Dirac Live room correction. It’s not the seismic rumble of a dedicated sub, but it’s tight, musical, and more than adequate for standalone use. I’m genuinely looking forward to completing the system with the Flexus SUB 200 and SURR 200 speakers. If the soundbar alone can conjure this level of dimensionality and depth, I expect the full setup to elevate the experience into true cinematic territory.

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