precise bass with high efficiency

a COMPETITION product is the right choice for demanding customers with high SPL expectations

Resonanzfrequenz (Fs): 42

very low tolerance and high linearity with low thermal drift

Perfect for modern car audio systems with limited installation space

ESX QRM30S - 3mm Dämmung 10" Subwoofer precise bass with high efficiencyESX Quantum Insulation ESX is known for its high quality components in the car audio sector. In addition to high quality amplifiers and DSP products, ESX also offers a wide range of loudspeakers. As the loudspeakers are installed in vehicles and often cause problems when sheet metal or door panels resonate undesirably, ESX has now added a wide range of damping material to its program. With the aluminum butyl and acoustic foam called QUANTUM RAZOR MAT,