Hertz Cento CX 690 - 3 Way Coaxial Speakers TW1 it is very important that

it is very important that the loudspeakers are mounted to solid and well-damped baffles and that the air space behind the woofers is sealed from the vehicle interior

providing an astonishing 4 ÷ 60k Hz (@ -3 dB

JL Audio's electronics engineering team conducted an intense analysis of typical program material and its dynamic demands in order to balance current draw and actual output power requirements relative to the system’s impedance characteristics

it’s worth doing jaw-droppingly

Hertz Cento CX 690 - 3 Way Coaxial Speakers TW1 it is very important thatThe Hertz Cento CX 690 Coaxial Speakers featuring a 69 in. cone was designed to achieve maximum performance in horizontal installations and offering, even in this difficult setting, an exceptional tone, balance and power handling. Hertz Cento CX 690 Products Features 6x9 in. semi pressed paper elliptical cone SPP M (Semi Pressed Paper Mica) enhanced with Mica powder for an excellent balance between lightness and damping. Wide rubber suspension