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  3. HydraBlast vs Onyx Studio 9

Altec Lansing HydraBlast vs Harman-Kardon Onyx Studio 9

What HydraBlast does better (1) and where Onyx Studio 9 wins (0) — every spec side by side.

Altec Lansing HydraBlast
Altec Lansing · 2025HydraBlast
1 advantage≈ $160
vs
Harman-Kardon Onyx Studio 9
Harman-Kardon · 2025Onyx Studio 9
5.0Score
0 advantages≈ $160
Higher score
6.6Battery4.0
Dimensions

Size comparison

HydraBlastOnyx Studio 9
203.2 × 88.988.9389.2 × 387.5130
HydraBlastOnyx Studio 9Difference
Height88.9 mm387.5 mm−298.6 mm
Width203.2 mm389.2 mm−186 mm
Depth88.9 mm130 mm−41.1 mm

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

Why is HydraBlast better than Onyx Studio 9?

  1. Battery life20 h vs 8 h2.5×

Why is Onyx Studio 9 better than HydraBlast?

Onyx Studio 9 has no measurable advantages in this pair.

Specifications

Side by side

Sound
Output power—50 W
Speaker channels—Stereo
Lowest frequency—50 Hz
Highest frequency—20,000 Hz
Stereo—Yes
Battery & charging
Battery life20 h8 h
Battery capacity—4,722 mAh
Charging time4 h4 h
Power bank function—Yes
Mains poweredNoNo
Battery powered (portable)YesYes
Connectivity
WirelessYesYes
Bluetooth version—5.3
Bluetooth codecsSBCSBC
Hi-res codec (LDAC / aptX HD / LHDC)NoNo
aptXNoNo
LDACNoNo
Auracast—Yes
USB-CYesYes
3.5 mm jack / AUX—Yes
Design & build
Weight—3,300 g
Width203 mm389 mm
Height89 mm388 mm
Depth89 mm130 mm
Water resistance (IPx)IPx4—
ColoursBlackBlack
Features
Hands-free callsYesYes
Party / stereo pairing—Yes
Light effectsYes—
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