"HK Audio Premium PR:O 12M, Passive Full Range Monitor, Equipped with 12"" loudspeaker + 1"" tweeter, Power rating: 400 Watt RMS, Impedance: 8 Ohm, Dispersional pattern: 60° x 40°, Frequency range: 70 - 19,000 Hz, SPL: 104 db (128 dB peak),...