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  3. Stanmore IV vs Audio MR1 MKIII

Marshall Stanmore IV vs Ruark Audio MR1 MKIII

What Stanmore IV does better (6) and where Audio MR1 MKIII wins (1) — every spec side by side.

Marshall Stanmore IV
Marshall · 2026Stanmore IV
8.8Score
6 advantages≈ $420
Higher score
vs
Ruark Audio MR1 MKIII
Ruark · 2026Audio MR1 MKIII
1 advantage≈ $540
9.5Sound9.2
Dimensions

Size comparison

Stanmore IVAudio MR1 MKIII
350 × 203185135 × 202165
Stanmore IVAudio MR1 MKIIIDifference
Height203 mm202 mm+1 mm
Width350 mm135 mm+215 mm
Depth185 mm165 mm+20 mm
Weight3,990 g4,400 g−410 g

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

Why is Stanmore IV better than Audio MR1 MKIII?

  1. Output power110 W vs 50 W2.2×
  2. LDACYes · Audio MR1 MKIII: No
  3. Weight3,990 g vs 4,400 g+10%
  4. Highest frequency38,000 Hz vs 22,000 Hz+73%
  5. Bluetooth version5.3 vs 5.1+4%
  6. Lowest frequency36 Hz vs 50 Hz+39%

Why is Audio MR1 MKIII better than Stanmore IV?

  1. aptXNo · Stanmore IV: Yes
Specifications

Side by side

Sound
Driver typeDynamic—
Driver size127 mm—
Output power110 W50 W
Speaker channelsStereo—
Channel count2—
Lowest frequency36 Hz50 Hz
Highest frequency38,000 Hz22,000 Hz
Hi-Res AudioYes—
Adjustable equaliserYes—
StereoYes—
Battery & charging
Mains poweredYesYes
Battery powered (portable)NoNo
Connectivity
WirelessYesYes
Bluetooth version5.35.1
Bluetooth codecsLDAC, LC3, AAC, SBCaptX HD, AAC, SBC
Hi-res codec (LDAC / aptX HD / LHDC)YesYes
aptXNoYes
LDACYesNo
Multipoint (two devices)Yes—
LE AudioYes—
AuracastYes—
USB-C—Yes
3.5 mm jack / AUXYes—
Optical input—Yes
Smart & streaming
Spotify ConnectYes—
Companion appYes—
Design & build
Weight3,990 g4,400 g
Width350 mm135 mm
Height203 mm202 mm
Depth185 mm165 mm
Features
Party / stereo pairingYes—
Remote control—Yes
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