1. Communications Systems LBB 3442 00 Single Earphone LBB 3442 00 Single Earphone www boschsecurity com B O S CH Invented for life gt Lightweight single earphone gt Left or right ear use gt Right angled gold plated jack plug Ordering information Interconnections LBB 3442 00 Single Earphone e 1 2 m 3 94 ft cable terminated with 3 5 mm Lightweight single earphone 1 2 m 3 94 ft cable 0 14 in jack plug terminated with 3 5 mm 0 14 in right angled mono gold plated jack plug Order number LBB3442 00 Technical specifications Electrical Impedance 32 ohm Audio frequency response 100 Hz to 5 kHz 10 dB Power handling capacity 5 mW Sensitivity 1 kHz 114 dB SPL earpiece at 1 mW earpiece Mechanical Weight 25 g 0 06 Ib Color Dark grey