How we scoreBlogAdvertise
Amidioheadphones · speakers · earbuds
  1. Amidio
  2. Compare
  3. ED-S300 vs Stanmore III

Edifier ED-S300 vs Marshall Stanmore III

What ED-S300 does better (4) and where Stanmore III wins (2) — every spec side by side.

Edifier ED-S300
Edifier · 2025ED-S300
9.0Score
4 advantages≈ $290
Higher score
vs
Marshall Stanmore III
Marshall · 2022Stanmore III
4.6Score
2 advantages≈ $300
8.8Sound7.4
8.6Connectivity3.8
Dimensions

Size comparison

ED-S300Stanmore III
351 × 204231350 × 203188
ED-S300Stanmore IIIDifference
Height204 mm203 mm+1 mm
Width351 mm350 mm+1 mm
Depth231 mm188 mm+43 mm
Weight6,230 g4,250 g+1,980 g

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

Why is ED-S300 better than Stanmore III?

  1. Hi-res codec (LDAC / aptX HD / LHDC)Yes · Stanmore III: No
  2. Highest frequency40,000 Hz vs 20,000 Hz2×
  3. LDACYes · Stanmore III: No
  4. Bluetooth version5.4 vs 5.2+4%

Why is Stanmore III better than ED-S300?

  1. Weight6,230 g vs 4,250 g+47%
  2. Lowest frequency48 Hz vs 45 Hz+7%
Specifications

Side by side

Edifier ED-S300Edifier ED-S300≈ $2909.0
Sound
Driver size31.8 mm—
Output power80 W80 W
Speaker channelsStereoStereo
Lowest frequency48 Hz45 Hz
Highest frequency40,000 Hz20,000 Hz
Hi-Res AudioYes—
StereoYesYes
Battery & charging
Mains poweredYesYes
Battery powered (portable)—No
Connectivity
WirelessYesYes
Bluetooth version5.45.2
Bluetooth codecsLDAC, SBCSBC
Hi-res codec (LDAC / aptX HD / LHDC)YesNo
aptXNoNo
LDACYesNo
LE Audio—Yes
USB-CYes—
USB audioYes—
3.5 mm jack / AUXYesYes
HDMI eARC / ARC—Yes
Smart & streaming
Wi-FiYesYes
AirPlayYes—
Companion app—Yes
Design & build
Weight6,230 g4,250 g
Width351 mm350 mm
Height204 mm203 mm
Depth231 mm188 mm
Water resistance (IPx)—IPx0
To compare: 0up to 4 models
Compare