The Pioneer D series of auto speakers got to the top ten of the best speakers of 2015,
The experts assert that the speakers have wide frequency ranges which allow them to place TS-D6902R and TS-D1602R on par with the best car audio solutions on the market.
Pioneer D series is not the only one that contains basalt fiber in the cone. Mid-market E series uses a polypropylene matrix composite reinforced with Aramid/Basalt fiber. The combination of aramid stiffness with temperature stability and viscosity of melted basalt provide unique features for the speaker.
The search for new materials and technical solutions is a necessary condition to achieve “Smooth and Open” sound quality that the Pioneer designers strive to provide for the owners of Pioneer speakers.