Visaton 58.5mm dia 10W nom Full Range Speaker Driver, 4Ω

The Visaton FR series is a full-range speaker with coated paper cone, rubber surround, squared metal basket with 4 mounting holes and rubber gasket. The speaker has a very linear and wide frequency response and low resonant frequency provide a wide range of applications, including Hi-Fi-applications.

120–20000Hz frequency response
81dB (1 W/1 m) mean sound pressure level
−40 to +100 °C temperature range