The IW500b has a 5.25 inch polypropylene woofer and one 1.0 inch convex titanium tweeter with FerroFluid cooling mounted to an aluminum motorboard. The speaker is a coaxial, in-wall loudspeaker that delivers effective low-end response (69 Hz, -10 dB) and optimal off-axis performance (2 to 10 kHz, independently verified). SoundTube's proprietary BroadBeam waveguide tweeter system delivers consistant high performance audio across the operating bandwidth. The IW500b speaker design incorporates a low profile grille and six-position tap switch with transformer bypass position. Mounting hardware is included and features a fast and secure optimally engineered constant-tension mounting system and an integrated backcan for maximun efficency and applications where UL approval is required. Mounting hardware, paint mask, hole template and conduit connector are included.