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  3. Bromley 450 vs Bromley 750

Marshall Bromley 450 vs Marshall Bromley 750

What Bromley 450 does better (2) and where Bromley 750 wins (3) — every spec side by side.

Marshall Bromley 450
Marshall · 2026Bromley 450
7.4Score
2 advantages≈ $800
Higher score
vs
Marshall Bromley 750
Marshall · 2025Bromley 750
7.4Score
3 advantages≈ $920
9.2Sound9.5
8.4Battery8.4
6.0Connectivity7.3
2.6Build & features2.4

Why is Bromley 450 better than Bromley 750?

  1. Weight12,320 g vs 23,900 g+94%
  2. Water resistance (IPx)IPx5 vs IPx4+25%

Why is Bromley 750 better than Bromley 450?

  1. Output power400 W vs 500 W+25%
  2. Lowest frequency40 Hz vs 20 Hz2×
  3. Driver size165.1 mm vs 254 mm+54%
Specifications

Side by side

Sound
Driver typeDynamicDynamic
Driver size165.1 mm254 mm
Number of drivers44
Output power400 W500 W
Speaker channelsStereo—
Lowest frequency40 Hz20 Hz
Highest frequency20,000 Hz20,000 Hz
Adjustable equaliserYesYes
StereoYes—
Battery & charging
Battery life40 h40 h
Charging time3.5 h3.5 h
Fast charging supportYesYes
Power bank functionYesYes
Mains powered—No
Battery powered (portable)YesYes
Connectivity
WirelessYesYes
Bluetooth version5.35.3
Bluetooth codecsLC3, AAC, SBCLC3, AAC, SBC
Hi-res codec (LDAC / aptX HD / LHDC)NoNo
aptXNoNo
LDACNoNo
Multipoint (two devices)YesYes
LE AudioYesYes
AuracastYesYes
USB-CYesYes
3.5 mm jack / AUXYes—
Design & build
Weight12,320 g23,900 g
Width—413 mm
Height—652 mm
Depth—355 mm
Protection ratingIP55IP54
Water resistance (IPx)IPx5IPx4
Dust protection (IP)55
Colours—Black
Features
Hands-free calls—Yes
Party / stereo pairing—Yes
Light effectsYesYes
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