Audison APX 690 coaxial speakers (164x235 mm).

Audison APX 690 (PRIMA sērija) 3-joslu koaksiāla akustika 6"x9" (164x235 mm).

The APX 690 featuring an exclusive 40 mm horn loading dome tweeter that contributes to maximize efficiency up to 96dB SPL and an acoustics lens specifically designed and applied to the tweeter to increase dispersion in high frequency range. 
To strengthen the emission of very high frequency ranges otherwise affected by off-axis positioning compared to the listening point, the APX 690 featuring a supertweeter.