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KEF Reference Model Four

4-Way, 6-Driver Floorstanding Loudspeaker

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KEF Reference Model Four


A multi-component, high quality, hand soldered dividing network and six drive units are utilised in the model Four.

The 160mm Uni-Q driver used in the other reference series speakers is used for upper mid and high frequencies.


Type: 4 way, 6 driver loudspeaker system

Frequency Response: 35Hz to 20kHz

Recommended Amplifier: 50 to 400W

Crossover Frequency: 160, 500, 2800Hz

Impedance: 4Ω

Sensitivity: 92dB

Bass: 2 x 250mm B250 pulp cone

Midbass: 2 x 160mm B160 polypropylene cone

Midrange: 1 x 160mm MB160 polypropylene cone

Tweeter: 1 x 25mm NT25 soft dome

Enclosure: 102.5 litre

Dimensions: 1266 x 300 x 390mm

Weight: 49kg



This website is not affiliated with or sponsored by KEF. To purchase Reference Model Four spares or accessories, please contact the company via their website or visit an authorised retailer.