Bringing true hi-fi sound quality to the tracks you play from your computer, laptop, tablet, MP3 player or smartphone, X300A digital hi-fi speakers feature KEF’s sophisticated Uni-Q array, driven by two dedicated on-board amps - one for each frequency range. With a high resolution 96kHz/24-bit USB input and simple digital speaker connection, even familiar tracks suddenly seem incomparably richer, subtler and more emotionally powerful.

System type Two-way bass reflex
Drive units Uni-Q driver array:
HF: 25mm (1in.) vented aluminium dome
LF/MF: 130mm (5.25in.) magnesium/
aluminium alloy
Frequency response (+/- 3dB) 58Hz - 28kHz
Frequency range (- 6dB) 49Hz - 45kHz
Max peak SPL 104dB
Amplifier type Twin Class AB
Amplifier power LF: 50W
HF: 20W
AC power input US/JP versions: 100-120VAC, 50/60Hz
EU/UK versions: 220-240VAC, 50Hz
China version: 220-230VAC, 50Hz
Analogue input AUX: 3.5mm stereo jack
Digital input Resolution Sampling rate USB: Mini USB Type B connector
Up to 24-bit
Up to 96kHz, depending on source resolution
Controls Balance control
System volume control
Internal volume 4.7L
Finish Linear White, Gunmetal
Dimensions
(H x W x D) Without heatsink:
280 x 180 x 215mm
(11.0 x 7.1 x 8.5 in.)
With heatsink:
280 x 180 x 243mm
(11.0 x 7.1 x 9.6 in.)
Weight 7.5kg (16.5lbs) per speaker