3-way bi-amp/tri-amp full-range loudspeaker consists of 15-inch reflex-loaded low frequency driver, 6.5-inch mid-frequency driver and 1-inch high frequency compression driver in an optimally tuned enclosure. The high frequency and mid frequency components are matched with an internal passive crossover which can be by-passed for fully tri-amp operation. The mid/high section is rotatable within the enclosure. The cabinet is constructed from 15mm (5/8-inch) birch plywood with powder-coated perforated steel mesh grille backed with reticulated foam. The double trapezoidal cabinet shape conveniently allows the TCS-1561 to be arrayed with other TCS series enclosures and TCS subwoofers. Multiple rigging points supported by internal steel flying strips are provided on the top, bottom, sides and rear of the cabinet to enable it to be suspended and angled in permanent installations using M10 shoulder eyebolts. The standard finish is black textured paint with custom colors including white optionally available. IP54 weather resistance is optionally available with stainless steel grille, black or white waterproof paint finish and captive cable with cable gland.