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  3. UBOOM X vs Bromley 750

EarFun UBOOM X vs Marshall Bromley 750

What UBOOM X does better (3) and where Bromley 750 wins (4) — every spec side by side.

EarFun UBOOM X
EarFun · 2024UBOOM X
8.2Score
3 advantages
Higher score
vs
Marshall Bromley 750
Marshall · 2025Bromley 750
7.2Score
4 advantages≈ $1,100
7.4Battery8.4
4.8Build & features2.3

Why is UBOOM X better than Bromley 750?

  1. Weight4,150 g vs 23,900 g5.8×
  2. Water resistance (IPx)IPx7 vs IPx4+75%
  3. Dust protection (IP)6 vs 5+20%

Why is Bromley 750 better than UBOOM X?

  1. Output power80 W vs 500 W6.2×
  2. Battery life30 h vs 40 h+33%
  3. Driver size20 mm vs 254 mm12.7×
  4. Charging time6 h vs 3.5 h+71%
Specifications

Side by side

Sound
Driver type—Dynamic
Driver size20 mm254 mm
Number of drivers—4
Output power80 W500 W
Lowest frequency—20 Hz
Highest frequency—20,000 Hz
Adjustable equaliserYesYes
Battery & charging
Battery life30 h40 h
Battery capacity8,400 mAh—
Charging time6 h3.5 h
Fast charging supportYesYes
Power bank functionYesYes
Mains powered—No
Battery powered (portable)YesYes
Connectivity
WirelessYesYes
Bluetooth version5.35.3
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
3.5 mm jack / AUXYes—
Smart & streaming
Companion appYes—
Design & build
Weight4,150 g23,900 g
Width—413 mm
Height—652 mm
Depth—355 mm
Protection ratingIP67IP54
Water resistance (IPx)IPx7IPx4
Dust protection (IP)65
FloatsYes—
Colours—Black
Features
Hands-free calls—Yes
Party / stereo pairingYesYes
Light effectsYesYes
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