Acoustic systems with bass reflex

homemade, kit 2.1, active, 220 W, 29 – 20000 Hz, bass reflex, USB port, Bluetooth, 109

concert, 1.0, passive, 200 W, 8 Ohm, 55 – 20000 Hz, bass reflex, 58

concert, kit 2.0, passive, 300 W, 8 Ohm, 55 – 20000 Hz, bass reflex, 57.5

concert, 1.0, passive, 500 W, 8 Ohm, 70 – 20000 Hz, bass reflex, 57

concert, 1.0, active, 63 – 18000 Hz, bass reflex, USB port, 57

homemade, kit 2.0, passive, 1000 W, 8 Ohm, 34 – 28000 Hz, bass reflex, 56

concert, 1.0, active, 400 W, 45 – 20000 Hz, bass reflex, 55

concert, 1.0, active, 1500 W, 50 – 18250 Hz, bass reflex, 54

homemade, kit 2.0, passive, 4 Ohm, 28 – 45000 Hz, bass reflex, Bi-Amping/Wiring, 54

homemade, kit 2.0, passive, 8 Ohm, 33 – 40000 Hz, bass reflex, 52

concert, 1.0, active, 1300 W, 31 – 20000 Hz, bass reflex, USB port, 52

concert, 1.0, passive, 500 W, 4 Ohm, 40 – 20000 Hz, bass reflex, 51

concert, 1.0, passive, 600 W, 4 Ohm, 62 – 18000 Hz, bass reflex, 50

concert, 1.0, active, 46 – 19000 Hz, bass reflex, 50

concert, 1.0, active, 75 – 18000 Hz, bass reflex, USB port, 50

concert, 1.0, active, 350 W, 50 – 20000 Hz, bass reflex, 50

information, 1.0, active, 800 W, 20 – 20000 Hz, bass reflex, USB port, Bluetooth, 49

concert, 1.0, passive, 350 W, 8 Ohm, 50 – 18000 Hz, bass reflex, 48.5

homemade, kit 2.0, passive, 8 Ohm, 35 – 40000 Hz, bass reflex, 48

concert, 1.0, passive, 300 W, 8 Ohm, 50 – 18000 Hz, bass reflex, 48

concert, 1.0, active, 700 W, 64 – 20000 Hz, bass reflex, 48

concert, 1.0, passive, 500 W, 8 Ohm, 65 – 20000 Hz, bass reflex, 48

concert, 1.0, passive, 550 W, 4 Ohm, 50 – 18000 Hz, bass reflex, 48

concert, 1.0, active, 35 – 20000 Hz, bass reflex, 47.8