CLASSROOM HEADPHONES WITH IN-LINE MICROPHONE
A strong and durable set of headphones suitable for use in classrooms and other teaching environments.
Adjustable headband size In-line microphone
Built-in limiter to limit the maximum output to 85dB 4 pole 3.5mm Jack with 2 x 3 pole Stereo 3.5mm Adapter Supplied with a headphone/microphone splitter lead for PC input
Cable length 1.2m Connector is 3.5mm 4 pole jack. Also has short splitter cable to change connection to 2x 3.5mm gold plated stereo jack for headphone and microphone Frequency response 20Hz-20kHz Impedance 32 Ohms Output power 85dB max. Mic input : Impedance 2.2k Ohms Mic input : Sensitivity -42 +/-3dB Driver 30mmDiametre mylar speaker
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