< p> Easily Upgrade to High Performance< br> The Pioneer A Series speaker sound design purposely matches the subwoofer and full-range loudspeakers to provide seamless and smooth sound characteristics with dynamic, high impact bass that lets you hear and feel the music. Pioneer’s OPEN & amp SMOOTH sound concept provides a seamless and smooth transition between the midrange and tweeter drivers and delivers uniform off-axis frequency response optimized for automotive applications where one or more speakers are often aimed away from the listeners’ ears. The A Series lineup expands flexibility and improves acoustic performance. The integrated inline crossover network allows for increased installation flexibility without the need of an outboard module. Included with the Pioneer A Series, are multi-fit installation adapters and tweeter mounts (when applicable).< br> < br> install kit image< br> Easy Installation< br> Included tweeter mounts for surface mounting, flush mounting and specially designed multi-fit adapters for mounting in original equipment (OE) tweeter locations. Integrated/ in-line crossover network eliminates the need for an outboard module to increase installation flexibility.< /p>