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  3. Aura Studio 5 vs Acton IV

Harman-Kardon Aura Studio 5 vs Marshall Acton IV

What Aura Studio 5 does better (1) and where Acton IV wins (2) — every spec side by side.

Harman-Kardon Aura Studio 5
Harman-Kardon · 2025Aura Studio 5
1 advantage≈ $290
vs
Marshall Acton IV
Marshall · 2026Acton IV
8.7Score
2 advantages≈ $300
Higher score
Dimensions

Size comparison

Aura Studio 5Acton IV
234 × 306234260 × 171150
Aura Studio 5Acton IVDifference
Height306 mm171 mm+135 mm
Width234 mm260 mm−26 mm
Depth234 mm150 mm+84 mm

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

Why is Aura Studio 5 better than Acton IV?

  1. Output power160 W vs 110 W+45%

Why is Acton IV better than Aura Studio 5?

  1. Highest frequency20,000 Hz vs 38,000 Hz+90%
  2. Lowest frequency45 Hz vs 37 Hz+22%
Specifications

Side by side

Sound
Driver type—Dynamic
Driver size—101.6 mm
Output power160 W110 W
Speaker channels—Stereo
Channel count—2
Lowest frequency45 Hz37 Hz
Highest frequency20,000 Hz38,000 Hz
Hi-Res Audio—Yes
Adjustable equaliser—Yes
Stereo—Yes
Battery & charging
Mains poweredYesYes
Battery powered (portable)NoNo
Connectivity
WirelessYesYes
Bluetooth version5.45.3
Bluetooth codecs—LDAC, LC3, AAC, SBC
Hi-res codec (LDAC / aptX HD / LHDC)—Yes
aptX—No
LDAC—Yes
Multipoint (two devices)YesYes
LE Audio—Yes
Auracast—Yes
3.5 mm jack / AUXYesYes
Smart & streaming
Spotify Connect—Yes
Companion app—Yes
Design & build
Weight—2,650 g
Width234 mm260 mm
Height306 mm171 mm
Depth234 mm150 mm
ColoursBlack—
Features
Party / stereo pairingYesYes
Light effectsYes—
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