Eminence Delta-10 B, 10"" Bass/Midrange Speaker, Impedance: 16 Ohm, Rated power: 350W RMS, Frequency range: 63 Hz - 3.7 kHz, Playback behaviour specially designed for mid-range in 3-way systems as well as bass/mid-range in 2-way systems, but equally suitable for bass guitar, keyboards, club systems and stage monitors