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  3. TOPROCK SYS3 BT20 137 USB-C vs Muo

Festool TOPROCK SYS3 BT20 137 USB-C vs KEF Muo

What TOPROCK SYS3 BT20 137 USB-C does better (0) and where Muo wins (2) — every spec side by side.

Festool TOPROCK SYS3 BT20 137 USB-C
0 advantages≈ $260
vs
KEF Muo
KEF · 2025Muo
2 advantages≈ $210
Dimensions

Size comparison

TOPROCK SYS3 BT20 137 USB-CMuo
396 × 13729682 × 21659
TOPROCK SYS3 BT20 137 USB-CMuoDifference
Height137 mm216 mm−79 mm
Width396 mm82 mm+314 mm
Depth296 mm59 mm+237 mm

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

Why is TOPROCK SYS3 BT20 137 USB-C better than Muo?

TOPROCK SYS3 BT20 137 USB-C has no measurable advantages in this pair.

Why is Muo better than TOPROCK SYS3 BT20 137 USB-C?

  1. Output power20 W vs 40 W2×
  2. Bluetooth version5 vs 5.4+8%
Specifications

Side by side

KEF MuoKEF Muo≈ $210
Sound
Output power20 W40 W
Lowest frequency—43 Hz
Highest frequency—20,000 Hz
Hi-Res Audio—Yes
StereoYes—
Battery & charging
Battery life—24 h
Power bank functionYes—
Mains poweredNo—
Battery powered (portable)YesYes
Connectivity
WirelessYesYes
Bluetooth version55.4
Bluetooth codecsSBC—
Hi-res codec (LDAC / aptX HD / LHDC)No—
aptXNo—
LDACNo—
USB-CYes—
USB audio—Yes
Design & build
Weight2,800 g—
Width396 mm82 mm
Height137 mm216 mm
Depth296 mm59 mm
Protection rating—IP67
Water resistance (IPx)—IPx7
Dust protection (IP)—6
Features
Hands-free calls—Yes
Party / stereo pairingYesYes
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