Impartial price comparison

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

KEF LSX

4.1

£749.00

Free delivery

Bose Virtually Invisible 300

3.7

£299.00

Free delivery

Ruark Audio MR1 MKII

3.8

£290.83

£345.00 Incl. delivery

Active

Yes

Frequency range (max)

45000 Hz

28000 Hz

20000 Hz

Frequency range (min)

47 Hz

49 Hz

55 Hz

Impedance

8 Ω

Power (peak/max)

100 W

70 W

33 W

Power (RMS)

100 W

Sensitivity

85 dB

90 dB

Wireless connection

None

Bluetooth

Streaming standards

AirPlay, Spotify Connect, Tidal, AirPlay 2

Other connectors

Digital optical input (S/PDIF), Pre out (subwoofer), Analogue 3.5mm input/Line-in

Type of connection

Single-wire

Bi-wire

Available colours

Black, White, Silver, Grey, Blue, Red, Wenge

Black, Wenge

Black, White, Silver, Blue, Red, Wenge

Black, White, Wenge

White, Grey, Walnut

Dimensions (WxHxD)

Depth

278 mm

100 mm

180 mm

83.8 mm

135 mm

Height

302 mm

155 mm

240 mm

93.9 mm

170 mm

Width

200 mm

155 mm

81.2 mm

130 mm

Product weight

7.2 kg

1 kg

3.6 kg

0.54 kg

3.5 kg

Features

Supports NFC, Suitable for Dolby Atmos

Remote control

Midrange driver

Yes

Quantity

Signal separation

2-way

Tweeter drivers, size

1 inches

0.75 inches

0.8 inches

Tweeter drivers, type

Aluminum-dome

Aluminum / magnesium-dome

Fabric/silk dome (soft dome)

Type of box body

Bass reflex

Woofer driver, size

5.23 inches

4.5 inches

3 inches

Woofer drivers, quantity