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  3. BOOMBOX 4 vs Bromley 450

JBL BOOMBOX 4 vs Marshall Bromley 450

What BOOMBOX 4 does better (3) and where Bromley 450 wins (1) — every spec side by side.

JBL BOOMBOX 4
JBL · 2026BOOMBOX 4
3 advantages≈ $500
vs
Marshall Bromley 450
Marshall · 2026Bromley 450
7.4Score
1 advantage≈ $800
Higher score
9.6Build & features2.6

Why is BOOMBOX 4 better than Bromley 450?

  1. Water resistance (IPx)IPx8 vs IPx5+60%
  2. Dust protection (IP)6 vs 5+20%
  3. Lowest frequency37 Hz vs 40 Hz+8%

Why is Bromley 450 better than BOOMBOX 4?

  1. Battery life34 h vs 40 h+18%
Specifications

Side by side

Sound
Driver type—Dynamic
Driver size—165.1 mm
Number of drivers—4
Output power—400 W
Speaker channels—Stereo
Lowest frequency37 Hz40 Hz
Highest frequency20,000 Hz20,000 Hz
Adjustable equaliser—Yes
Stereo—Yes
Battery & charging
Battery life34 h40 h
Charging time—3.5 h
Fast charging support—Yes
Power bank function—Yes
Mains poweredYes—
Battery powered (portable)YesYes
Connectivity
WirelessYesYes
Bluetooth version5.45.3
Bluetooth codecs—LC3, AAC, SBC
Hi-res codec (LDAC / aptX HD / LHDC)—No
aptX—No
LDAC—No
Multipoint (two devices)—Yes
LE Audio—Yes
Auracast—Yes
USB-C—Yes
USB audioYes—
3.5 mm jack / AUX—Yes
Design & build
Weight—12,320 g
Width510 mm—
Height260 mm—
Depth210 mm—
Protection ratingIP68IP55
Water resistance (IPx)IPx8IPx5
Dust protection (IP)65
Features
Party / stereo pairingYes—
Light effects—Yes
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