The KEF LS50 mini monitor speaker features the company’s latest “UNI-Q” drivers with a patent-pending acoustic design, delivering a frequency response of 79Hz – 28kHz with an 8-Ohm of impedance. Measuring 302mm x 200mm x 278mm and weighing 7.2 Kg, the KEF LS50 mini monitor speaker is priced at $1,499.99. [Product Page]