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Sennheiser HDA 300 Blue/Red Over-Ear Headphones

At a Glance

Sennheiser HDA 300 Closed Dynamic Headphones with high passive ambient noise attenuation and foldable ear cups

Proposition 65 Warning for California Residents

The HDA 300 is a pair of closed, dynamic headphones designed for use with audiometers.

Features

Suitable for high frequency audiometry

High passive ambient noise attenuation - patients only hear what they are supposed to hear

Excellent repeatability of readings

Excellent comfort fit even for long testing periods thanks to soft, replaceable ear pads and two padded headbands

Equipped with two mono plugs for immediate use

Single-sided cable for tangle-free sessions

Foldable ear cups for portable use and easy storage

Excellent comfort fit even for long testing periods thanks to soft, replaceable ear pads and two padded headbands

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).

Technical Data

Connector 2 Mono-Jacks right. Or free: Green: -L, yellow: +L, red: +R, blue: -R

Frequency response (Headphones): 20 Hz - 20,000 Hz

Characteristic SPL 117dB at 1kHz, 0,5V

Contact pressure: 8.8N +/- 0.5N

Ear coupling: Circumaural

Connection cable: ca. 2.2m

Transducer principle: Dynamic, closed

Weight incl. cable: 490 g

Nominal impedance: 23 Ohm

Load rating: 500 mW

Max. Input voltage: 3.5 V, < 10 min

*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.