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General| Impedance | 32 Ω |
|---|---|
| Driver type | Dynamic |
| Ear coupling | Circumaural |
| Headphone frequency | 18 - 21000 Hz |
| Headphone sensitivity | 110 dB |
| Total Harmonic Distortion (THD) | 0.5 % |
| Battery type | AAA |
| Battery technology | Nickel-Metal Hydride (NiMH) |
| Battery recharge time | 16 h |
| Number of batteries supported | 2 |
| Continuous audio playback time | 24 h |
| Connectivity technology | Wireless |
| Product color | Black |
| Wearing style | Head-band |
| Recommended usage | Music |
| Microphone type | Not available |
Weight and Dimensions| Weight | 226 g |
|---|
Read manual carefully, keep accessible, avoid hazardous situations, keep dry, handle with care, avoid extreme temperatures.
Switch off after use, remove for storage, beware of magnetic field interference with medical devices.
Protect hearing from high volume levels; Sennheiser headphones sound good at low volumes.
Includes reading the detailed manual and using within operating conditions and limitations.
Using the product other than described or under different operating conditions.
Abused/misused batteries may leak, presenting heat, fire, explosion, or smoke/gas hazards.
Keep away from children, use recommended batteries, observe polarity, do not short-circuit, avoid moisture.
Do not pack charged batteries loose. Dispose of exhausted batteries at collection points or dealer.
Lists the items included in the product package, such as headphones and batteries.
Illustrates the process of charging the rechargeable batteries for the headphones.
Describes how to connect and pair the headphones with the transmitter.
Provides instructions on how to turn the HDR headphones on and off.
Explains how to enable the 3D surround sound feature on HDR 170/TR 170.
Details how to turn on the dynamic bass boost feature for HDR 170/TR 170.
Illustrates how to adjust the audio balance between left and right channels for HDR 180.
Provides technical data including modulation, frequencies, range, temperature, SPL, THD, and power supply.
Specifies the weight (without batteries) and operating time for the headphone models.
Sennheiser offers a 24-month warranty. Visit website for current conditions.
Lists compliance with RoHS, WEEE, Battery, R&TTE, EMC, and Low Voltage Directives.
Instructions for recycling rechargeable batteries and proper disposal of exhausted batteries.
Guidance on disposing of electrical and electronic equipment separately for environmental protection.
Declaration of conformity with FCC rules and Industry Canada standards, including operational conditions.
Identifies Kleer logo as a registered trademark of Kleer Inc.
Lists FCC IDs, IC numbers, CE, N340, IDA, and CMIIT IDs for USA, Canada, Europe, etc.
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