JBL LSR4328P Bi-Amp 8In Studio Monitor (Each) Active / Powered Studio Monitor RMC Room Mode Correction provides electronic control of room modes. Integrated bi-amplification with factory calibrated sensitivities. Silk dome transducer with Elliptical Oblate Spheroidal waveguide for precise pattern control. Integral handles facilitate ease of positioning. Reinforced enclosure and convenient mounting points for mounted installation.