HCL-404 4 Units Two-way Column Loudspeaker comes with 4×4" midwoofers and 12×0.75" tweeters. The coaxial transducers with 3 tweeters and a woofer combined to a coaxial transducer, allowing smoother off-axis response and wider high frequency directivity. 15° fixed vertical coverage and accurate pointing, sound reflection, speech articulation is optimized. Used with HCL-404J, thanks for the mortise-tenon joint design, it can be quick disassembly. Composite wood with three characteristics, which can adjust the cabinet resonant frequency to the outside of the column's operating frequency range.