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  3. Bromley 750 vs Mix

Marshall Bromley 750 vs Soundboks Mix

What Bromley 750 does better (2) and where Mix wins (1) — every spec side by side.

Marshall Bromley 750
Marshall · 2025Bromley 750
7.2Score
2 advantages≈ $1,100
vs
Soundboks Mix
Soundboks · 2026Mix
9.6Score
1 advantage≈ $750
Higher score
9.5Sound7.9
8.4Battery9.7

Why is Bromley 750 better than Mix?

  1. Output power500 W vs 72 W6.9×
  2. Lowest frequency20 Hz vs 40 Hz2×

Why is Mix better than Bromley 750?

  1. Charging time3.5 h vs 2 h+75%
Specifications

Side by side

Soundboks MixSoundboks Mix≈ $7509.6
Sound
Driver typeDynamic—
Driver size254 mm—
Number of drivers4—
Output power500 W72 W
Lowest frequency20 Hz40 Hz
Highest frequency20,000 Hz20,000 Hz
Adjustable equaliserYes—
Battery & charging
Battery life40 h40 h
Battery capacity—7,800 mAh
Charging time3.5 h2 h
Fast charging supportYes—
Power bank functionYes—
Mains poweredNoNo
Battery powered (portable)YesYes
Connectivity
WirelessYesYes
Bluetooth version5.3—
Bluetooth codecsLC3, AAC, SBCSBC
Hi-res codec (LDAC / aptX HD / LHDC)NoNo
aptXNoNo
LDACNoNo
Multipoint (two devices)Yes—
LE AudioYes—
AuracastYes—
USB-CYes—
Design & build
Weight23,900 g—
Width413 mm—
Height652 mm—
Depth355 mm—
Protection ratingIP54—
Water resistance (IPx)IPx4—
Dust protection (IP)5—
ColoursBlackBlack
Features
Hands-free callsYes—
Party / stereo pairingYes—
Light effectsYes—
To compare: 0up to 4 models
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