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  3. BOOMBOX 4 vs Stanmore IV

JBL BOOMBOX 4 vs Marshall Stanmore IV

What BOOMBOX 4 does better (0) and where Stanmore IV wins (2) — every spec side by side.

JBL BOOMBOX 4
JBL · 2026BOOMBOX 4
0 advantages≈ $460
vs
Marshall Stanmore IV
Marshall · 2026Stanmore IV
8.8Score
2 advantages≈ $420
Higher score
Dimensions

Size comparison

BOOMBOX 4Stanmore IV
510 × 260210350 × 203185
BOOMBOX 4Stanmore IVDifference
Height260 mm203 mm+57 mm
Width510 mm350 mm+160 mm
Depth210 mm185 mm+25 mm

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

Why is BOOMBOX 4 better than Stanmore IV?

BOOMBOX 4 has no measurable advantages in this pair.

Why is Stanmore IV better than BOOMBOX 4?

  1. Highest frequency20,000 Hz vs 38,000 Hz+90%
  2. Lowest frequency37 Hz vs 36 Hz+3%
Specifications

Side by side

Sound
Driver type—Dynamic
Driver size—127 mm
Output power—110 W
Speaker channels—Stereo
Channel count—2
Lowest frequency37 Hz36 Hz
Highest frequency20,000 Hz38,000 Hz
Hi-Res Audio—Yes
Adjustable equaliser—Yes
Stereo—Yes
Battery & charging
Battery life34 h—
Mains poweredYesYes
Battery powered (portable)YesNo
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)—Yes
LE Audio—Yes
Auracast—Yes
USB audioYes—
3.5 mm jack / AUX—Yes
Smart & streaming
Spotify Connect—Yes
Companion app—Yes
Design & build
Weight—3,990 g
Width510 mm350 mm
Height260 mm203 mm
Depth210 mm185 mm
Protection ratingIP68—
Water resistance (IPx)IPx8—
Dust protection (IP)6—
Features
Party / stereo pairingYesYes
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