Helix Ci3 T20FM-TI 0.75" TweeterDescription HELIX COMPOSE. The perfect speaker for any composition. Born out of the increasingly demanding challenges of modern automobile technology and the HELIX typical pursuit of intelligent solutions, we made the progressive redesign of proven universal speaker systems our mission. The result: our innovative HELIX COMPOSE platform that, according to the motto "developed inside the vehicle, for the vehicle", combines classic universal speakers

Direct-Fit Tweeter Housing: Features a machine-cut Alpine logo and black chrome

allowing for a quick installation without complex procedures

2 mm Outer diameter ø 130 mm / 5

the T1D412 combines high-tech construction with a sleek FlexFit basket

Our WireKits realize the connection of HELIX COMPOSE coaxial speaker system to the original wiring harness in the most comfortable way

Box Installation Time: Approx

In contrast to common procedures

significantly increased signal-to-noise ratio and reduced THD ensure the perfect sound

7 Tm Cone area Sd 131 cm2 Moving mass Mms 13

Wake-up is instant upon audio input

000 Hz Resonance frequency  Fs 72 Hz Mechanical Q factor  Qms 4

Dual 2-Ohm