Speakers with adjustable subwoofer cutoff frequency

concert, kit 1.1, active, 1000 W, 40 – 20000 Hz, 20000

concert, kit 1.1, active, 700 W, 40 – 20000 Hz, 20000

concert, kit 1.1, active, 700 W, 40 – 20000 Hz, 20000

homemade, kit 5.1, passive/active, 8 Ohm, 33 – 20000 Hz, 20000

concert, kit 1.1, active, 700 W, 40 – 20000 Hz, USB port, Bluetooth, 20000

homemade, kit 5.0, passive/active, 80 – 20000 Hz, 20000

homemade, kit 2.1, passive/active, 300 W, 8 Ohm, 39 – 20000 Hz, 20000

homemade, kit 2.1, active, 300 W, 45 – 22000 Hz, bass reflex, Bluetooth, 22000

homemade, kit 5.1, passive/active, 8 Ohm, 40 – 22000 Hz, 22000

homemade, kit 5.1, passive/active, 6 Ohm, 37 – 26000 Hz, bass reflex, 26000

homemade, kit 5.1, passive, 6 Ohm, 36 – 26000 Hz, bass reflex, 26000

homemade, kit 5.1, passive/active, 270 W, 4 Ohm, 35 – 34000 Hz, passive emitter, 30000