Bose Smart Soundbar 700 vs KEF Q350 Bookshelf Speaker – Key Differences & Best Choice (2026)

ALERT

Brand	Bose	KEF
Model No	Smart Soundbar 700	Q350 Bookshelf Speaker
Wired / Wireless	Home Theatre Speaker Specification	Home Theatre Speaker Specification
Driver Type	Dynamic	Dynamic

Driver Diameter	294.64	165 mm Aluminum Uni-Q 25 mm Vented Aluminum Dome HF
Impedance	NA	8 Ohms ( Min. 3.7 Ohms )
Sensitivity	NA	87dB
Frequency Response	NA	Frequency Response ( Â±3dB ) 63Hz-28KHz Crossover Frequencies 2.5KHz Frequency Range Free Field ( -6dB ) 42Hz
Maximum Power Input	AC 100-240 V 50/60 Hz	NA
Maximum Power Output	700 W ( RMS )	15 - 120 W ( RMS ) Two-Way Bass Reflex
Signal to Noise Ratio	NA	110dB

Noise Cancelling	Passive
Aux Connectivity	No	No
Weight	4.76 Kg	7.6 Kg
Dimensions	978 mm X 108 mm X 57.2 mm	Speaker : 358 mm X 210 mm X 306 mm With Rubber Feet 362 mm X 5210 mm X 306 mm
Available Colors	Black, White	Black, White
Accessories	Bose Smart Soundbar 700 HDMI Cable Power Cord Optical Cable 4 AA Batteries Cleaning Cloth Quick Start Guide Universal Remote ADAPTiQ Headset	KEF Q350 2 Bookshelf Home Theatre Speaker User Manual 2 Foam Port Plugs Warranty Information 8 Self-Adhesive Rubber Feet
Other Features	The best performing sound bar from Bose, featuring an unmatched combination of sophisticated design and exceptional sound. Play integrated Wi-Fi music services like Amazon music or use a Bluetooth Connection to play anything from your phone or tablet. Control comes easy, with three different ways to manage what you hear: voice, the Bose music app, or the context-sensitive Universal remote. The Bose music app makes setup simple Leave the sound bar on the TV stand or mount it on the wall with the optional Bose sound bar wall bracket. With Alexa built in, just Ask to play music, get Answers to questions, and control smart-home devices, an eight-microphone Array ensures superior voice pickup.	Featuring a Computational Fluid Dyanmics (CFD) port design with the port repositioned to the rear of the speaker. KEF, Wireless Music System , speaker, wireless speaker system, satellite speaker, bluetooth, stereo, home entertainment. The Q350 uses a famous technology to great effect, with the Uni-Q drive unit. This involves positioning the treble unit in the middle of the woofer Made from lightweight yet rigid aluminium, the woofer unit is fast to respond and linear in its response. This helps give life-like dynamics and low levels of distortion. Early in this review process I realized that Q350 is not the poor person's LS50, but has a unique goodness of its own. The Q350 is a lively and open-sounding loudspeaker.
	Compare Bose Smart Soundbar 700 with: Samsung HW-Q800F JBL RALLYBAR XL JBL BAR 800 TCL X937U KEF Q650c Centre Channel Speaker	Compare KEF Q350 Bookshelf Speaker with: Samsung HW-Q800F JBL RALLYBAR XL JBL BAR 800 TCL X937U KEF Q650c Centre Channel Speaker

Modern connectivity options make these systems flexible for different setups and devices. These speakers are ideal for creating a home theatre-like environment with immersive sound output. Differences in power output, channel configuration, and audio technologies can impact overall sound performance. Advanced sound technologies play a major role in delivering a more immersive audio experience. Bose Smart Soundbar 700 and KEF Q350 Bookshelf Speaker are feature-rich speaker setups offering a combination of powerful sound, surround experience, and connectivity options.

Verdict: Both speakers offer strong performance, and the better choice depends on your preference for power, surround sound, and features.

Top Differences

Sound Output: 700W vs 15W
Channels: 700 vs 15
Bluetooth: na vs yes
Bluetooth Version: 4.2 vs NA
Frequency Response: NA vs Frequency Response ( Â±3dB ) 63Hz-28KHz Crossover Frequencies 2.5KHz Frequency Range Free Field ( -6dB ) 42Hz

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Top Differences