PriceSpy UK
Impartial price comparison

KEF LS50 vs. Sony SA-Z9R + 6

KEF LS50

KEF LS50

£599.00

£799.00 Incl. delivery
Sony SA-Z9R

Sony SA-Z9R

£279.99

Unknown delivery cost
Bose Surround Speakers

Bose Surround Speakers

£269.00

£275.00 Incl. delivery
KEF LSX

KEF LSX

£749.00

Free delivery
KEF LS50 Wireless II

KEF LS50 Wireless II

£2,082.50

£2,250.00 Incl. delivery
KEF LS50 Wireless

KEF LS50 Wireless

£1,299.00

Free delivery
Q Acoustics 3020i

Q Acoustics 3020i

£159.00

Free delivery
Bose Virtually Invisible 300

Bose Virtually Invisible 300

£279.00

Free delivery
Active
No
Yes
Yes
Yes
Yes
Yes
No
Yes
Frequency range (max)
45000 Hz
28000 Hz
47000 Hz
47000 Hz
30000 Hz
Frequency range (min)
47 Hz
49 Hz
40 Hz
43 Hz
64 Hz
Impedance
8 Ω
4 - 6 Ω
Power (peak/max)
100 W
70 W
125 W
Power (RMS)
100 W
100 W
230 W
50 W
Sensitivity
85 dB
90 dB
88 dB
Wireless connection
None
Bluetooth
Bluetooth
Bluetooth
Bluetooth
Bluetooth
None
Bluetooth
Streaming standards
AirPlay, Spotify Connect, Tidal, AirPlay 2
AirPlay, Spotify Connect, Tidal, AirPlay 2
AirPlay, Spotify Connect, Tidal
Other connectors
Digital optical input (S/PDIF), Pre out (subwoofer), Analogue 3.5mm input/Line-in
Digital optical input (S/PDIF), RCA stereo input, USB, Pre out (subwoofer)
Type of connection
Single-wire
Single-wire
Bi-wire
Available colours
Black, White, Silver, Grey, Blue, Red, Wenge
Black, Wenge
Black, White, Wenge
Black, White, Silver, Blue, Red, Wenge
Black, White, Grey, Red
Black, White, Silver, Grey, Blue, Red, Wenge
Black, White, Grey, Walnut
Black, White, Wenge
Dimensions (WxHxD)
Depth
278 mm
100 mm
83.8 mm
180 mm
308 mm
282 mm
83.8 mm
Height
302 mm
155 mm
94 mm
240 mm
300 mm
278 mm
93.9 mm
Width
200 mm
155 mm
200 mm
170 mm
81.2 mm
Product weight
7.2 kg
1 kg
1 kg
3.6 kg
20.1 kg
20.2 kg
5.5 kg
0.54 kg
Features
Remote control
Remote control
Remote control
Midrange driver
No
Yes
No
No
Quantity
1 ​
Signal separation
2-way
2-way
2-way
2-way
Tweeter drivers, size
1 inches
0.75 inches
1 inches
1 inches
0.9 inches
Tweeter drivers, type
Aluminum-dome
Aluminum / magnesium-dome
Aluminum-dome
Type of box body
Bass reflex
Bass reflex
Bass reflex
Bass reflex
Woofer driver, size
5.23 inches
4.5 inches
5.25 inches
5 inches
Woofer drivers, quantity
1 ​
1 ​
1 ​
1 ​