Two Ruark NS+ 75 mm wideband speakers sit in a twin bass-reflex cabinet. The Class AB amplifier delivers 18 W rated, and the typical in-room frequency response covers 50 Hz to 20 kHz. Bass and treble adjust from −6 dB to +6 dB, and loudness and 3D audio can be switched on as needed.
The R2 Mk4 receives Internet radio, DAB/DAB+ and FM with RDS (87.5 to 108 MHz). Wi-Fi 802.11b/g/n opens up Spotify Connect, Deezer and Amazon Music, and a podcast source is built in. Bluetooth 5.2, in SBC codec, links a phone directly.
The colour TFT display adjusts its brightness automatically. The RotoDial knob and the Oktiv app, on iOS and Android, control the unit, with 8 presets per mode. Two alarms can be set to daily, weekdays, weekends or custom, with sleep and snooze functions, and the real-time clock keeps time on an internal battery.
The USB-C port supplies 5 V 1 A to charge a device and plays MP3 files up to 48 kHz 320 kbps, from a FAT32-formatted stick. A line input and a headphone output in 3.5 mm jack, a 75 Ω F aerial socket and a Kensington slot complete the connections. The lacquered cabinet measures 340 × 175 × 135 mm and weighs 2.9 kg, in Espresso with Walnut grille or in Light Cream with Ash grille.
Data sheet
Specific References
KEF SQ1 aluminium floor stand for the Coda W, Q1 Meta, Q3 Meta and Q Concerto Meta speakers. Fillable column, internal cable routing, sold as a pair.
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