A pro audio crossover unit is used to send the correct frequencies to the right speakers. With a Crossover (sometimes referred to as Xover units) you can send all the low frequencies to your sub speakers and all the mid-high frequencies to your top speakers. This makes the whole system run more efficient and allows the individual speakers produce the frequencies that are designed to create. This alone makes an audio crossover a great tool for any multi-box PA system
The DBX Driverack PA2 takes the Driverack PA+ model and creates someth...