12-in Pro Woofer 900W Max 8 ohms w/Copper Voice coil & Treated Paper KAPPALITE3012LF

homemade, 2.0 system, active, 80 W, bass reflex, USB port, Bluetooth

homemade, 2.0 system, passive, 180 W, 8 Ohm, 50 – 20000 Hz, bass reflex

external, 2.0 system, passive, 140 W, 8 Ohm, 50 – 20000 Hz, waterproof

homemade, 2.0 system, active, 30 W, 55 – 20000 Hz, bass reflex, Bluetooth

homemade, 2.0 system, active, 50 W, 4 Ohm, 40 – 20000 Hz, bass reflex, USB port, Bluetooth

external, 2.0 system, passive, 60 W, 8 Ohm, 100 – 20000 Hz, waterproof

information, 1.0, active, 7 W, 280 – 12500 Hz, waterproof

homemade, 2.0 system, active, 100 W, bass reflex, USB port, Bluetooth

concert, 1.0, active, 100 W, 80 – 18500 Hz, bass reflex

information, 1.0, active, 7 W, 120 – 20000 Hz, waterproof

homemade, 2.0 system, active, 70 W, 60 – 20000 Hz, bass reflex, USB port, Bluetooth

homemade, 2.0 system, active, 60 W, bass reflex, USB port, Bluetooth