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  3. SoundLink Flex SE vs Onyx Studio 9

Bose SoundLink Flex SE vs Harman-Kardon Onyx Studio 9

What SoundLink Flex SE does better (0) and where Onyx Studio 9 wins (0) — every spec side by side.

Bose SoundLink Flex SE
Bose · 2026SoundLink Flex SE
0 advantages≈ $130
vs
Harman-Kardon Onyx Studio 9
Harman-Kardon · 2025Onyx Studio 9
5.0Score
0 advantages≈ $160
Higher score

Why is SoundLink Flex SE better than Onyx Studio 9?

SoundLink Flex SE has no measurable advantages in this pair.

Why is Onyx Studio 9 better than SoundLink Flex SE?

Onyx Studio 9 has no measurable advantages in this pair.

Specifications

Side by side

Sound
Output power—50 W
Speaker channels2.0Stereo
Channel count2—
Lowest frequency—50 Hz
Highest frequency—20,000 Hz
StereoYesYes
Battery & charging
Battery life—8 h
Battery capacity—4,722 mAh
Charging time—4 h
Power bank function—Yes
Mains poweredNoNo
Battery powered (portable)NoYes
Connectivity
WirelessYesYes
Bluetooth version5.35.3
Bluetooth codecs—SBC
Hi-res codec (LDAC / aptX HD / LHDC)—No
aptX—No
LDAC—No
Auracast—Yes
USB-C—Yes
3.5 mm jack / AUX—Yes
Design & build
Weight—3,300 g
Width—389 mm
Height—388 mm
Depth—130 mm
Protection ratingIP67—
Water resistance (IPx)IPx7—
Dust protection (IP)6—
Colours—Black
Features
Hands-free calls—Yes
Party / stereo pairing—Yes
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