Specifications 2 Goldwood Sound GM-500PB Heavy Duty ABS Directivity Horns Molded ABS Plastic Standard 1.375 18 TPI Throat with Metal Insert for Most Lens Designs Angles of Dispersion for Maximum Coverage Outer Dimensions: 5.125 x 15.188 Cutout: 3.75 x 13.625 Mounting Depth: 6 without driver 2 Goldwood Sound GT-400CD Piezo Bullet Compression Tweeter Drivers 100 Watts RMS and 200 Watts Max each 1800 - 30 000Hz Frequency Response 92 dB SPL 8 Ohm Impedance Ceramic Drivers Fits Directivity Horns with Standard 1.375 x 18TPI Throat Replacement for Motorola KSN1142A Overall Dimension is 2.4375 Round each Mounting Depth is 1.5 each Designed And Engineered In USA Applications: Pro DJ Speaker Pro PA Speaker Pro Karaoke Speaker Live Sound Speaker Fixed Installation Speaker Studio Monitor Home Audio Speaker This Listing and Price is for 2 Goldwood GM-500PB Pro Audio Horns and 2 GT-400CD Drivers