Studio Monitors & Speakers
the box PA 252 ECO MKII
the box PA 252 ECO MKII, Passive Full Range Speaker, Equipped with: 2x 15" + 1", Frequency range: 45 - 15,000 Hz, Sensitivity: 121 dB SPL max, Impedance: 4 Ohm, Rated power: 450 W RMS/ 1800 W peak, Dispersion: 90 x 40°, Input: 6.3 mm jack/ speaker...
https://www.bizrate.co.uk/musicalinstrumentmonitors_speakers/the-box-pa-252-eco-oid1070922146.html