Klipsch Flexus Core 300 vs KEF XIO

Name Klipsch Flexus Core 300 KEF XIO
Image Klipsch Flexus Core 300 KEF XIO
MSRP $999 $2499
Released 2025 2025
Availability  Available Available
Check price: Amazon Amazon
Speaker configuration
Audio channels 5.1.2 5.1.2
Expandable up to: 5.2.2 (add rears, sub) -
Woofers (mid or full-range) - total 8: 6×2.25″ full-range (2 upfiring), 2× 2.25″ midbass drivers 8: 6× 50 mm Uni-Q MX Driver (3× front, 3× upfiring) 2×50mm full range (sides)
Tweeters - total 1: 1× 0.75″ (center) 6: 6× unknown size, part of Uni-Q MX Driver (coaxial)
Subwoofers 4× 4.0″(built-in) 4× P185 driver 2×7″ (built-in)
Audio specifications
Watts RMS Not specified 820 W
Frequency range 43 Hz - 20 kHz 34 Hz - 20 kHz
DTS:X support Yes Yes
Dolby Atmos support? Yes Yes
Surround sound? Virtual Virtual
Other 3D audio formats? None 360 Reality Audio
Other (notable) sound features? Dialog Boost None
Sound calibration? Yes, Dirac live room correction Yes, Intelligent Placement Technology
Connectivity & ports
Bluetooth Bluetooth 5.3 Bluetooth 5.3
Wi-Fi Wi-Fi 5 Wi-Fi 6
Ethernet port (RJ45)
HDMI (e)ARC out port? 1× eARC 1× eARC
HDMI in ports? (passthrough) ✔ 1× HDMI 2.1
Optical port? (TOSLINK)
3.5 mm AUX port?
USB port? USB-C (playback) USB-C (service only)
Other audio ports Subwoofer out (RCA), mic in Subwoofer out
Wireless setup & control
Official app? Klipsch Connect Plus KEF Connect
Voice assistant? Indirectly (no built-in mic)
Chromecast built-in?
AirPlay?
Alexa cast?
Multiroom?
Wireless subwoofer(s)? Optional: max 1 subwoofer: Flexus SUB 100 (10″) | 200 (12″) Wired connection possible, wireless using KW2 RX Receiver
Wireless surrounds? Optional: max 2 surrounds: Flexus SURR 100 | 200
Physical specifications
Speakers in set: Soundbar Soundbar
Size (cm W×H×D): 137.2×7.8×12.6 121.0×7.0×16.5
Size (inch W×H×D): 54.02×3.07×4.96 47.64×2.8×6.5
Weight (kg): 8.5 10.5
Weight (lbs): 18.7 23.1
Wall mountable? Yes, with optional wall mount Yes, with included wall mounting kit
Color options: Black Black, Silver/gray
Accessories in the box Flexus Remote 200, HDMI cable, calibration mic Remote, HDMI cable, wall mounting kit
More info
Model number 1072083, 1072084, 1072085 XIOSB
User guide / manual Manual User manual
Official site link Klipsch.com Kef.com
Check price & reviews
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