ESB Audio 4000 Series 1.1"/28 mm Dome Tweeter 12 Channel Amplifier But the UP 10DSP

But the UP 10DSP

Residual resonances are neutralized by the under-dome dB Cloth® damping material

Class HD technology

The new Class D Studio MINI Amplifiers

ESB Audio 4000 Series 1.1"/28 mm Dome Tweeter 12 Channel Amplifier But the UP 10DSPESBs goal for its new 4000 Series was to push the limits of cost vs. performance. We know of no other car speakers currently on the market at these price points that make use of the same advanced materials or surpasses their remarkable performance. The particularly expensive design of the 3 75 mm midrange driver and its high grade, high energy neodymium magnet guarantees a level of efficiency that supports high sound pressure levels even when paired