Professional Passive Hifi Stage Speakers 2 pcs 800 W BlackThese passive professional Hifi stage speakers are perfect partners in providing sound for small and medium gatherings, events and parties. Both speaker boxes are designed with two bass reflex holes, which can extend the frequency response to the lowest range and provide bass. These are produced by a heavy duty 8 inch (20 cm) woofer whose bass relief membrane contributes to avoiding destructive local vibrations. Each enclosure contains high output