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ATC SCM11 vs. KEF LS50 Wireless + 3
Active
Yes
Yes
Yes
No
Frequency range (max)
22000 Hz
47000 Hz
28000 Hz
47000 Hz
30000 Hz
Frequency range (min)
56 Hz
43 Hz
49 Hz
40 Hz
64 Hz
Impedance
8 Ω
4 - 6 Ω
Power (peak/max)
300 W
70 W
125 W
Power (RMS)
300 W
230 W
50 W
Sensitivity
85 dB
88 dB
Wireless connection
None
Bluetooth
Bluetooth
Bluetooth
None
Streaming standards
AirPlay, Spotify Connect, Tidal
AirPlay, Spotify Connect, Tidal, AirPlay 2
AirPlay, Spotify Connect, Tidal, AirPlay 2
Other connectors
Digital optical input (S/PDIF), RCA stereo input, USB, Pre out (subwoofer)
Digital optical input (S/PDIF), Pre out (subwoofer), Analogue 3.5mm input/Line-in
Type of connection
Single-wire
Available colours
Black, White, Cherry, Ash, Wenge
Black, White, Silver, Grey, Blue, Red, Wenge
Black, White, Silver, Blue, Red, Wenge
Black, White, Grey, Red
Black, White, Grey, Wenge, Walnut
Dimensions (WxHxD)
Depth
236 mm
308 mm
180 mm
282 mm
Height
232 mm
300 mm
240 mm
278 mm
Width
381 mm
200 mm
155 mm
170 mm
Product weight
10.9 kg
20.2 kg
3.6 kg
20.1 kg
5.5 kg
Features
Remote control
Remote control
Remote control
Midrange driver
No
No
Yes
No
Quantity
1 ​
Signal separation
2-way
2-way
2-way
2-way
Tweeter drivers, size
1 inches
1 inches
0.75 inches
1 inches
0.9 inches
Tweeter drivers, type
Fabric/silk dome (soft dome)
Aluminum-dome
Aluminum / magnesium-dome
Type of box body
Bass reflex
Bass reflex
Bass reflex
Woofer driver, size
6 inches
5.25 inches
4.5 inches
5 inches
Woofer drivers, quantity
1 ​
1 ​
1 ​
1 ​