Acoustic systems with bass reflex

homemade, kit 2.1, active, 220 W, 29 – 20000 Hz, bass reflex, USB port, Bluetooth, 140

monitor, 1.0, passive, 6 Ohm, 58 – 40000 Hz, bass reflex, 76

concert, 1.0, active, 750 W, 59 – 19000 Hz, bass reflex, 73.4

concert, 1.0, active, 150 W, 8 Ohm, 60 – 18000 Hz, bass reflex, 66.7

concert, 1.0, active, 750 W, 68 – 19000 Hz, bass reflex, 66

concert, 1.0, active, 700 W, 50 – 20000 Hz, bass reflex, 65

homemade, 1.0, passive, 5 Ohm, 50 – 30000 Hz, bass reflex, ribbon emitter, 62

concert, 1.0, active, 400 W, 45 – 20000 Hz, bass reflex, 61

concert, 1.0, active, 120 W, 8 Ohm, 70 – 18000 Hz, bass reflex, 59

concert, 1.0, active, 1000 W, 49 – 18000 Hz, bass reflex, 59

concert, 1.0, active, 500 W, 70 – 19000 Hz, bass reflex, USB port, 58

concert, kit 2.0, active, 500 W, 20 – 20000 Hz, bass reflex, 58

concert, 1.0, active, 200 W, 8 Ohm, 60 – 16000 Hz, bass reflex, 58

concert, kit 2.0, active, 600 W, 4 Ohm, 20 – 40000 Hz, bass reflex, 56

concert, 1.0, active, 1300 W, 31 – 20000 Hz, bass reflex, USB port, 55

concert, 1.0, active, 63 – 18000 Hz, bass reflex, USB port, 53

concert, 1.0, passive, 350 W, 8 Ohm, 50 – 18000 Hz, bass reflex, 52

homemade, kit 2.0, passive, 500 W, 4 Ohm, 16 – 35000 Hz, bass reflex, 51

homemade, 1.0, passive, 4 Ohm, 65 – 20000 Hz, bass reflex, 51

concert, 1.0, active, 350 W, 50 – 20000 Hz, bass reflex, 51

concert, 1.0, active, 465 W, 55 – 20000 Hz, bass reflex, 50

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

concert, 1.0, active, 500 W, 8 Ohm, 61 – 20000 Hz, bass reflex, 50

concert, 1.0, active, 47 – 20000 Hz, bass reflex, 50