For over thirty years, ESB has specialized in the engineering and construction of premium speakers for automotive applications… offering different product lines, all united in true fidelity to the musical source.

True to quality... True to the music... Pure performance, accurate reproduction.

The ESB 3000 speaker system was developed and assembled with a great commitment to the research of materials and engineering solutions of the highest level.

The baskets have been engineered to obtain maximum torsional rigidity (resistance to bending). 

The speaker cones use pressed paper with a waterproof treatment which represents an ideal marriage between lightness, stiffness and the ability of the cone to dampen any unwanted vibration.

All the woofers are equipped with a Y-35 grade ferrite magnet motor, having significantly higher performance than classic "standard" magnets.

The tweeters use a silk-impregnated, thin fabric dome diaphragm for a smooth sound, with oversized voice coils ventilated and damped with iron-fluid oil.

ESB Audio 3.165C 2-Way Convertible Speaker System is made up of a 6.5"/165 mm woofer, and a 1”/25 mm dome tweeter.

By separating the tweeter from the woofer, it allows the system to transform from coaxial to a separate 2-way system.

​When using the woofer in the "component" mode, the tweeter support is replaced by mounting an ABS phase plug on the pole piece.

This detail is essential to focus the high frequency information in the center of the cone. The phase plug’s innovative design ensures that the speaker response remains linear at mid-high and high frequencies.

Its concavities are arranged on a very open angle which help to increase linearity even at accentuated listening angles.

This is very important for the reproduction of the medium and medium-high range when the woofer is installed in the lower part of a car door.

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