Hosiden‘s High Sound Pressure Speaker Unit for Automotive Applications with a Wide Bandwidth of 500Hz to 3350Hz
HOSIDEN has developed a high sound pressure level speaker for automotive usage.
Equipped with a baffle, this dynamic speaker unit has a 48mm outer diameter, speaker unit:ϕ40mm. Finding use not only for indicators or warnings from the onboard instrumentation but also for a variety of applications, including fire alarms or other alarms. Compared to our conventional products, this speaker unit is capable of a higher sound pressure level of 115dBSPL or more (*1) without compromising its flat frequency characteristics and wide bandwidth of 500Hz to 3350Hz. A vibration-resistant, heat-resistant resin frame made of a heat-resistant polymer film material has been adopted handling temperatures from -40℃ to 105℃, so reliable, stable operation under harsh conditions is assured. Furthermore, the development and production scheme is compliant with the IATF16949 specification for quality management, assuring automated production with consistent quality.
（*1） Measurement distance: 2cm, Input power: 1W, with measurement fixture attached
Product Name and Model Number
・Product Name: High Sound Pressure Speaker Unit for Automotive Applications
・Model Number: HDR9440-013030
Typical Features
・Excellent heat resistance, Operation temperature range: -40℃ to 105℃
・Wide bandwidth and high sound pressure: 110 dB or more (500Hz to 3350Hz)
(measurement distance: 2cm/Input power: 1W)
・Installation: mounting screws
・Connection: customized specifications for wire leads or connectors are available
Application
・In-vehicle (Instrument panels and other)
・Industrial machinery (Cockpits in heavy machinery)
・Fire alarms, security installations, and security devices
Main Specifications
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