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  3. Onyx Studio 9 vs Charge 6

Harman-Kardon Onyx Studio 9 vs JBL Charge 6

What Onyx Studio 9 does better (2) and where Charge 6 wins (3) — every spec side by side.

Harman-Kardon Onyx Studio 9
Harman-Kardon · 2025Onyx Studio 9
5.0Score
2 advantages≈ $160
vs
JBL Charge 6
JBL · 2025Charge 6
6.6Score
3 advantages≈ $140
Higher score
6.4Sound6.0
4.0Battery7.6
Dimensions

Size comparison

Onyx Studio 9Charge 6
389.2 × 387.5130228.8 × 98.594
Onyx Studio 9Charge 6Difference
Height387.5 mm98.5 mm+289 mm
Width389.2 mm228.8 mm+160.4 mm
Depth130 mm94 mm+36 mm
Weight3,300 g1,370 g+1,930 g

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

Why is Onyx Studio 9 better than Charge 6?

  1. Output power50 W vs 45 W+11%
  2. Lowest frequency50 Hz vs 56 Hz+12%

Why is Charge 6 better than Onyx Studio 9?

  1. Battery life8 h vs 28 h3.5×
  2. Weight3,300 g vs 1,370 g2.4×
  3. Charging time4 h vs 3 h+33%
Specifications

Side by side

JBL Charge 6JBL Charge 6≈ $1406.6
Sound
Output power50 W45 W
Speaker channelsStereo2.0
Channel count—2
Lowest frequency50 Hz56 Hz
Highest frequency20,000 Hz20,000 Hz
StereoYesYes
Battery & charging
Battery life8 h28 h
Battery capacity4,722 mAh4,722 mAh
Charging time4 h3 h
Quick charge (claimed)—10 min → 2,5 h
Fast charging support—Yes
Power bank functionYesYes
Mains poweredNoNo
Battery powered (portable)YesYes
Connectivity
WirelessYesYes
Bluetooth version5.35.4
Bluetooth codecsSBCSBC
Hi-res codec (LDAC / aptX HD / LHDC)NoNo
aptXNoNo
LDACNoNo
AuracastYesYes
USB-CYesYes
USB audio—Yes
3.5 mm jack / AUXYes—
Design & build
Weight3,300 g1,370 g
Width389 mm229 mm
Height388 mm98 mm
Depth130 mm94 mm
Protection rating—IP68
Water resistance (IPx)—IPx4
Dust protection (IP)—6
ColoursBlack—
Features
Hands-free callsYesYes
Party / stereo pairingYesYes
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