| Name | Klipsch Flexus Core 300 | Sonos Arc Ultra |
|---|---|---|
| Image |  |
 |
| MSRP | $999 | $999 |
| Released | 2025 | 2024 |
| Availability | Available | Available |
| Check price: | Amazon | Sonos, Amazon |
| Speaker configuration | ||
| Audio channels | 5.1.2 | 9.1.4 |
| Expandable up to: | 5.2.2 (add rears, sub) | 9.1.4, (Atmos rears, 2 subs) Same channel configuration, but with real surround sound and stronger subs (all play same sub channel). |
| Woofers (mid or full-range) - total | 8: 6×2.25″ full-range (2 upfiring), 2× 2.25″ midbass drivers | 6: 6× unknown size |
| Tweeters - total | 1: 1× 0.75″ (center) | 7: 7× unknown size |
| Subwoofers | 4× 4.0″(built-in) | 1× Sound Motion (built-in) |
| Audio specifications | ||
| Watts RMS | Not specified | Not specified |
| Frequency range | 43 Hz - 20 kHz | Not specified |
| DTS:X support | Yes | No |
| Dolby Atmos support? | Yes | Yes |
| Surround sound? | Virtual | Virtual |
| Other 3D audio formats? | None | None |
| Other (notable) sound features? | Dialog Boost | Speech Enhancement (use app) |
| Sound calibration? | Yes, Dirac live room correction | Yes (Trueplay) |
| 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) | ✔ | Use Optical to HDMI adapter (not included) |
| 3.5 mm AUX port? | ❌ | ❌ |
| USB port? | USB-C (playback) | ❌ |
| Other audio ports | Subwoofer out (RCA), mic in | None |
| Wireless setup & control | ||
| Official app? | Klipsch Connect Plus | Sonos S2 |
| Voice assistant? | ❌ | Yes |
| Chromecast built-in? | ✔ | ❌ |
| AirPlay? | ✔ | ✔ |
| Alexa cast? | ❌ | ❌ |
| Multiroom? | ❌ | ✔ |
| Wireless subwoofer(s)? | Optional: max 1 subwoofer: Flexus SUB 100 (10″) | 200 (12″) | Optional: max 2 subwoofers; 2× Sonos Sub or Sub Mini |
| Wireless surrounds? | Optional: max 2 surrounds: Flexus SURR 100 | 200 | Optional: max 2 surrounds, Era 300 for Dolby Atmos |
| Physical specifications | ||
| Speakers in set: | Soundbar | Soundbar |
| Size (cm W×H×D): | 137.2×7.8×12.6 | 117.8×7.5×11.06 |
| Size (inch W×H×D): | 54.02×3.07×4.96 | 46.38×2.95×4.35 |
| Weight (kg): | 8.5 | 5.9 |
| Weight (lbs): | 18.7 | 13.01 |
| Wall mountable? | Yes, with optional wall mount | Yes, with optional wall bracket |
| Color options: | Black | Black, white |
| Accessories in the box | Flexus Remote 200, HDMI cable, calibration mic | HDMI cable |
| More info | ||
| Model number | 1072083, 1072084, 1072085 | ARCG2##1 |
| User guide / manual | Manual | User Guide |
| Official site link | Klipsch.com | Sonos.com |
| Check price & reviews | ||
| See price and reviews: | Amazon | Sonos, Amazon |
Klipsch Flexus Core 300 vs Sonos Arc Ultra
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