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KEF LS50
vs.
Sony SA-Z9R + 3
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KEF LS50
4.5
£800.00
£947.54 Incl. delivery
Sony SA-Z9R
£279.99
Unknown delivery cost
Bose Surround Speakers
£298.00
Free delivery
Bose Virtually Invisible 300
3.7
£299.00
Free delivery
Ruark Audio MR1 MKII
3.8
£290.83
£345.00 Incl. delivery
Audio features
Active
No
Yes
Yes
Yes
Yes
Frequency range (max)
45000 Hz
20000 Hz
Frequency range (min)
47 Hz
55 Hz
Impedance
8 Ω
Power (peak/max)
100 W
33 W
Power (RMS)
100 W
100 W
Sensitivity
85 dB
90 dB
Communication
Wireless connection
None
Bluetooth
Bluetooth
Bluetooth
Bluetooth
Compatibility
Streaming standards
Connectors
Other connectors
Digital optical input (S/PDIF), Pre out (subwoofer), Analogue 3.5mm input/Line-in
Type of connection
Single-wire
Bi-wire
Design
Available colours
Black, White, Silver, Grey, Blue, Red, Wenge
Black, Wenge
Black, White, Wenge
Black, White, Wenge
White, Grey, Walnut
Dimensions
Dimensions (WxHxD)
Depth
278 mm
100 mm
83.8 mm
83.8 mm
135 mm
Height
302 mm
155 mm
94 mm
93.9 mm
170 mm
Width
200 mm
81.2 mm
130 mm
Product weight
7.2 kg
1 kg
1 kg
0.54 kg
3.5 kg
Features
Features
Supports NFC,
Suitable for Dolby Atmos
Remote control
General
Midrange driver
No
No
Signal separation
2-way
2-way
Tweeter drivers, size
1 inches
0.8 inches
Tweeter drivers, type
Aluminum-dome
Fabric/silk dome (soft dome)
Type of box body
Bass reflex
Bass reflex
Woofer driver, size
5.23 inches
3 inches
Woofer drivers, quantity
1 ​
1 ​