Generously padded headband and ear cushions makes for comfortable listening, so the technology fades into the background and the lesson itself remains as the priority.

The 1534BK is built for listening in demanding classroom environments, beginning with ABS plastic, which isn’t typically used inc onsumer headphones. Its passive noise reducing earcups fit around, not on,their ears to better block external sounds and help students stayfocused on the task at hand.

The audio playback is calibrated to enhance the tonal range of the human voice in language learning.

• Speaker: 30mm Mylar Cone with Ferrite Magnet
• Impediance: 20 Ohms each side, /- 15%
• Frequency Response: 20 - 20KHz
• Sound Pressure Limit: 120dB ± 3dB @ 1kHz
• Earcup Isolation: 6dB /- 2dB @ 1kHz
• Distortion: 5%
• Volume Control: Inline
• Plug: 3.5mm Nickel-Plated Stereo
• Cord: 6' Straight 4 Core PVC Construction