Studio Monitors & Speakers
the box PA 18 ECO MKII
the box PA 18 ECO MKII, Passive 18" Subwoofer with Built-In Crossover, Power rating: 425 W RMS / 1700 W peak, Impedance: 8 Ohm, Sensitivity: 100 dB (1 W / 1 m / 80 Hz), Frequency range: 40 - 250 Hz (-3 dB), Input and output: Speaker Twist, Top out...
https://www.bizrate.co.uk/musicalinstrumentmonitors_speakers/the-box-pa-18-eco-oid6038267388.html