Califone 610-44 Binaural Headphone, Gray/Beige, Monaural 3.5mm Plug, Fully Adjustable Headband, Recessed Wiring for Safety, Replaceable 5' Straight Cord Long, Rugged ABS Headstrap and Earcups

One of the best headphone values, the 610-44 is respected and known for its comfort, quality, versatility and affordability. The durability of this monaural 610 headphone makes it a favorite for heavy day-in and day-out use for 1:1 and small group language learning activities.

• Fully adjustable headband
• Recessed wiring for safety
• Noise-reducing circumaural earcups lower external noise so volume needn't as high, for hearing safety
• Reinforced entry point of the cord into the earcup
• 5' straight cord long enough to avoid accidental pull out and tested to wishstand 250,000 flexes, replaceable
• Monaural 3.5mm plug
• Slotted baffles prevent speaker access from prying fingers or foreign objects for safety
• Industry's most durable and easy to replace ear cushions
• Rugged ABS headstrap and earcups resist breakage in high-use situations

• Sound Output Mode: Dynamic, mono
• Impedance: 32 Ohms each side, +/- 15%
• SPL: 97dB +/-3dB
• Frequency Response: 50 - 12KHz
• Sensitivity: 65dB ± 3dB at 1kHz
• Earcup Isolation: 8dB ± 2dB at 1kHz
• Distortion: 5%
• Rating input: 0.25W maximum
• Volume Control: None, controlled from audio source
• Plug: 3.5mm mono
• Cord: Replaceable 5' straight cord
• Impedance: 25 Ohms each side
• Frequency Range: 20Hz - 20K Hz
• Sensitivity: 98dB ± 3dB at 1KHz
• Headband: Adjustable
• Earcups: Noise-reducing, ABS plastic for durability
• Ear Cushions: Replaceable, hypo-allergenic (no latex)
• Weight: 8 ounces, shipping weight 1 lb.