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  3. Onyx Studio 9 vs T50 ARC

Harman-Kardon Onyx Studio 9 vs Vulkkano T50 ARC

What Onyx Studio 9 does better (1) and where T50 ARC wins (1) — every spec side by side.

Harman-Kardon Onyx Studio 9
Harman-Kardon · 2025Onyx Studio 9
5.1Score
1 advantage≈ $160
Higher score
vs
Vulkkano T50 ARC
Vulkkano · 2025T50 ARC
1 advantage≈ $130
Dimensions

Size comparison

Onyx Studio 9T50 ARC
389.2 × 387.5130430 × 150170
Onyx Studio 9T50 ARCDifference
Height387.5 mm150 mm+237.5 mm
Width389.2 mm430 mm−40.8 mm
Depth130 mm170 mm−40 mm
Weight3,300 g3,300 g=

Drawn to the same scale from the official dimensions (front and side).

Why is Onyx Studio 9 better than T50 ARC?

  1. Bluetooth version5.3 vs 5+6%

Why is T50 ARC better than Onyx Studio 9?

  1. Lowest frequency50 Hz vs 45 Hz+11%
Specifications

Side by side

Sound
Output power50 W—
Speaker channelsStereo2.0
Channel count—2
Lowest frequency50 Hz45 Hz
Highest frequency20,000 Hz20,000 Hz
StereoYesYes
Battery & charging
Battery life8 h—
Battery capacity4,722 mAh—
Charging time4 h—
Power bank functionYes—
Mains poweredNoNo
Battery powered (portable)YesNo
Connectivity
WirelessYesYes
Bluetooth version5.35
Bluetooth codecsSBC—
Hi-res codec (LDAC / aptX HD / LHDC)No—
aptXNo—
LDACNo—
AuracastYes—
USB-CYes—
3.5 mm jack / AUXYes—
HDMI eARC / ARC—Yes
Optical input—Yes
Design & build
Weight3,300 g3,300 g
Width389 mm430 mm
Height388 mm150 mm
Depth130 mm170 mm
ColoursBlackBrown
Features
Hands-free callsYes—
Party / stereo pairingYes—
Remote control—Yes
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