Sennheiser HDA 280 Blue/Red Wired On-Ear Headphones

Optimized for use with audiometers for evaluating patients with hearing concerns. The HDA 280 is specially designed for hearing tests for frequencies up to 12 kHz.
 

Features
 

• Excellent reproduction of readings
• Suitable for testing frequencies up to 12kHz
• Soft, replaceable ear pads
• Padded headband for increased comfort
• Single-sided cable
• Design approved by the PTB (German organization for type approvals, a national standards organization similar to the British Standards Institute or the American National Bureau of Standards)

What's in the box?

• 1 HDA 280 audiometer headphones
• 1 Unterminated cable (approx. 3m)
• 1 Spec sheet (German/English)
• 1 Warranty card

Technical Data
 

• Frequency response (Headphones): 20 - 20000 Hz
• Characteristic SPL: 117 dB
• Contact pressure: 5 N +/- 0,5 N
• Connection cable: 3 m
• Transducer principle: Dynamic, closed
• Weight: 330 g
• Nominal impedance: 37 Ω
• Load rating: 500 mW (EN 60268-7)

*Warning (for California residents only): Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Every Consumer Products company is required to post the warning no matter if their products pose any harm. Sennheiser products are all RoHs compliant, yet we are by law required to post the Proposition 65 warning message anyway.