Hertz Uno X690 6x9 6 x 9 Coaxial 4 way Car Audio Stereo Speaker 340w

  

The double 15 mm piezoelectric super-tweeterwith PEI dome extends the frequency response above 20 kHz, maximizing the stereo image. Double 15 mm piezoelectric super-tweeter with PEI dome to extendthe frequency response above 20 kHz. 40 mm PEI tweeter with ferrite motor, for a brilliant reproductionof mid-high frequencies and compactness. Tweeter and super-tweeter faceplate optimized for exceptionaloff-axis performance. High stiffness metallic-grey finish pressed-paper cone withwater-repellent treatment.

Foam surround combining high sensitivity and deep bass response. Pure copper 25mm 1 in.