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  3. HydraBlast vs Luna 2

Altec Lansing HydraBlast vs Harman-Kardon Luna 2

What HydraBlast does better (1) and where Luna 2 wins (1) — every spec side by side.

Altec Lansing HydraBlast
Altec Lansing · 2025HydraBlast
1 advantage≈ $160
vs
Harman-Kardon Luna 2
Harman-Kardon · 2026Luna 2
6.4Score
1 advantage≈ $160
Higher score
6.6Battery4.7
Dimensions

Size comparison

HydraBlastLuna 2
203.2 × 88.988.9236 × 88132
HydraBlastLuna 2Difference
Height88.9 mm88 mm+0.9 mm
Width203.2 mm236 mm−32.8 mm
Depth88.9 mm132 mm−43.1 mm

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

Why is HydraBlast better than Luna 2?

  1. Battery life20 h vs 12 h+67%

Why is Luna 2 better than HydraBlast?

  1. Water resistance (IPx)IPx4 vs IPx7+75%
Specifications

Side by side

Sound
Output power—40 W
Speaker channels—2.0
Channel count—2
Lowest frequency—58 Hz
Highest frequency—20,000 Hz
Adjustable equaliser—Yes
Stereo—Yes
Battery & charging
Battery life20 h12 h
Battery capacity—3,300 mAh
Charging time4 h—
Mains poweredNoNo
Battery powered (portable)YesYes
Connectivity
WirelessYesYes
Bluetooth version—5.4
Bluetooth codecsSBCSBC
Hi-res codec (LDAC / aptX HD / LHDC)NoNo
aptXNoNo
LDACNoNo
Auracast—Yes
USB-CYesYes
Smart & streaming
Companion app—Yes
Design & build
Weight—735 g
Width203 mm236 mm
Height89 mm88 mm
Depth89 mm132 mm
Protection rating—IP67
Water resistance (IPx)IPx4IPx7
Dust protection (IP)—6
ColoursBlack—
Features
Hands-free callsYes—
Party / stereo pairing—Yes
Light effectsYesYes
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