Made with materials to deliver clear and crisp sound across the specified range. Frequency response 250 Hz – 15 kHz for broad and balanced audio reproduction. Sensitivity 87 dB/W ± 2 dB, enabling solid output with typical amplifier power. Diameter 76.5 mm, suitable for compact speaker designs and tight enclosures. Mounting hole diameter 70.8 mm, compatible with enclosures and mounting patterns that use this diameter. Function and performance: provides clear midrange and treble response in a compact form factor, ideal for DIY speaker projects and upgrade applications. Applications Replacing a 3inch driver in a bookshelf or desktop speaker to restore clear voice and nuance. Building a compact multimedia or smallform factor speaker for home or office use. DIY car audio or custom enclosure projects where a 76.5 mm driver with a 70.8 mm mounting pattern is required.