Like a professional studio monitor, each X300A speaker has two dedicated class AB amplifiers - one for LF/MF and one for high frequencies - to ensure accurate, distortion-free sound reproduction. Speaker hum and electromagnetic interference are minimised by using toroidal transformers of the type specified for audiophile grade hi-fi amps. With clean USB input and digital connection between speakers, the X300A system turns your desktop, laptop, tablet or other mobile device into a source of listening pleasure to true high fidelity standards.

Carrying three times more data than the audio on a normal CD, the 24-bit/96kHz USB input allows the X300A system to reproduce the full depth and complexity of high resolution music files, and with distortion-free USB connection throughout, nothing is lost from the original source. In addition, a high quality DAC in each speaker virtually eliminates interference by separating decoding from playback. All this high end technology is complemented by the award-winning Uni-Q 'point source' driver array derived from KEF's flagship speaker, the Blade. The result is a spacious, accurate and exquisitely detailed sound field, whatever device your music is played from.

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 2.0: mini USB type B connector Up to 24-bit Up to 96kHz, depending on source resolution

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