High-temperature oversized Kapton voice coil and HeatScape motor structure allow these speakers to effortlessly play all types of movies and music. The FreeFlow flared port increases bass response without adding unwanted port noise. JBL's custom-designed drivers allow the use of simple, Straight-Line Signal Path (SSP) crossover networks with high-quality electrical components that minimize processing that could degrade the signal.

This 2-way, 4" bookshelf weather-resistant loudspeaker with h gh-impact molded enclosure reproduces sound with unmatched clarity and power. The WeatherPlas (polymer-coated cellulose fiber) cone woofer features traditional JBL engineering, the same technologies used in JBL's Professional equipment that can be found in stadiums, music halls and movie theaters around the world.