Brand NEW! During the focused R D period of perfecting the PRO-EXL line, DS18 identified the opportunity to spawn off another line since there was a division amongst competition audiophiles and concert/"voceteo" audiophiles. Therefore, DS18 created the PRO audio line, which features a wide variety of midranges the produce concert-like sounds that will knock the wind out of you! Specifications Model PRO-X6.4BM Type Midrange Loudspeaker Size 6.5" RMS Power 250W MAX Power 500W Frequency Response 106-17KHz Impedance 4 ohm Sensitivity 93dB Materials Surround Cloth Edge Frame Red Steel Basket Cone Non-Pressed Paper Cone Magnet Ferrite Voice Coil Wire CCAR Diameters Voice Coil Size 1.5" Magnet Size 30 oz Mounting Depth 2.72" (69mm) Cut-Out Dimension 5.7" (145mm) - All international buyers are responsible for all tax, duties and/or customs fees.