Please find reviews below:
http://www.audiosolutions.lt/products/overture/o201c
Specifications
Dimensions (HxWxD) : 204mm x 590mm x 320mm; 8 x 23.2 x 12.6 in
Weight : 14 kg/31 lbs each
Shipping weight : 19 kg/42 lbs each
Sensitivity : 91 dB @ 2.83V 1m
Nominal power handling : 90 W rms
Maximum unclipped power handling : 180 W;
Impedance : nominal 4,0 ohms; minimal 3.25 ohms @ 200Hz;
Crossover frequency : 1900 Hz
Frequency response (in-room environment) : 36-26000 Hz
Drivers : 2,5cm silk dome tweeter, two 15cm classic paper cone mid-bass drivers
Two-way speaker system.Highly braced, CNC precision and as thick as 36mm MDF cabinet ensure acoustically silent and rigid structure. High-flow bass reflex port with highly rounded flange eliminates air flow noise. Impedance-linear crossover with pin-to-pin construction. High-grade components and bi-wiring/bi-amping binding posts. Light weight paper cone mid-bass driver and light weight customized soft dome tweeter loaded with mini horn to boost its performance and achieve greater sensitivity in critical range.