#html-body [data-pb-style=EBMEM2Y]{justify-content:flex-start;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll} The APX 4 features a concentric coaxial tweeter: with one single point of sound emission it is possible to obtain a consistent in-phase response, with consequent reconstruction of the acoustic scene comparable to a system of separate woofer + tweeter. The 4" cones surround features the exclusive shallow Triple Wave profile, for maximum excursion linearity. Technical Specs LF Woofer Size - 100 mm Impedance - 4 Ohm Power Handling - 120W Peak Power Handling - 40W Continuous Sensitivity - 91 dB Frequency Response - 80 ÷ 23k Voice Coil Diameter - 32 mm (0.59 in) Magnet Size - 75 x 40 x 10 Xmax - 1.3 mm (1.26 in) Technical Specs HF Tweeter Size - 24 mm (0.94 in) Voice Coil Diameter - 15 mm (0.59 in) Electric-acoustic Specs Re - 3.1 Ohm Fs - 125 Hz Mms - 5.3 g (0.19 oz) Cms - 0.3 Bl - 3.2 Qms - 8 Qes - 1,2 Qts - 1 Vas - 1.5 l (0.05 ft) LE - 0.04 mH General Weight - 0.49 kg