SENNHEISER RS-175-U Wireless Headphones

Technical Data :

Headphones
 

• Frequency response :17 - 22,000 Hz
• Max. sound pressure level 114 dB at 1kHz, 3% THD
• THD, total harmonic distortion  90 dBA
  Modulation 8-FSK Digital
  Carrier frequencies  2.4 – 2.48 GHz
  
  
  What\'s in the box?
  
  HDR 175 headphones
  TR 175 transmitter
  Optical cable
  Audio cable
  Power supply with 4 adapters (EU, UK, US & AU)
  2 AAA NiMH rechargeable batteries
  Quick guide

Listen to your favorite music wirelessly, from up to 300 feet away. This RF transmitter and rechargeable wireless headphone reproduces rich sound from almost any source and features auto on/off.

Technical Data

• Colorsilver
• Impedance24 Ω
• Dimensions85 x 225 x 133 mm
• ConnectorJack 3,5 mm/6,35 mm stereo
• Frequency response22 - 19500 Hz
• THD, total harmonic distortion< 0.7 %
• Ear couplingSupraaural
• Transducer principleOpen, Dynamic
• WeightReceiver: 230 g (inc. Batteries)
• WeightTransmitter: 200 g
• Power consumption< 1,8 W
• Signal-to-noise ratio> 65 dBA
• Operating time20 h
• ModulationFM stereo
• Power supplyReceiver: 2 AAA cells-rechargeable
• Power supplyTransmitter: 9V bloc
• SPL for peak deviation106 dB

What\'s in the box?

• HDR 120 II headphones
• TR 120 II transmitter with audio connecting cable
• Mains unit
• Two rechargeable batteries, 1.2 V, AAA size, Ni-MH
• Adaptor, 1/4" (6.3 mm)

Providing cutting-edge digital wireless technology as well as intuitive handling, supreme wearing comfort and a long-lasting battery, the RS 2000 really lets you rediscover the joy of your TV program. With the RS 2000 your TV will deliver superior Sennheiser sound quality. Adjust the left and right volume for a pleasant and balanced sound. Then let clear speech and colorful music indulge your ears.

PRESENCE™ Grey Business is for the mobile professional, who simply needs an excellent communication solution wherever. PRESENCE™ Grey Business is the headset version for use with mobile phones only and comes without carry case

A single sided bluetooth headset ideal for the mobile professional. It comes with a USB charging cable and ear hook and x4 ear sleeves.

• Best-in-class sound – Sennheiser Voice Clarity ensures a clearer and more natural audio experience
• Optimized speech clarity – Unique SpeakFocus™ technology enhances voice clarity in all sound environments
• Wind noise reduction – WindSafe™ technology reduces wind noise in outdoor situations
• Background noise reduction – Advanced Own-Voice-Detector reduces background noise for your listener when you are silent
• Increased comfort – A flexible choice of wearing styles including padded ear hook and optional headband increase user comfort
• Connects to a mobile device
• Extended talk time – Up to 10 hours’ narrowband and 8 hours’ wideband call time between charges
• Increased range – Up to 25 meters with dongle, dependent on environment.
• Lightweight iconic design – Looks and feels as good as it sounds
• Hearing protection – ActiveGard® technology protects you from acoustic shock and sudden sound bursts

• Colorblack 
• Dimensions93 x 93 x 27 mm (approx.) 
• Bluetooth VersionVersion 4.2, class 1 
• • Supported ProfilesA2DP 
  • Connection cableoptical cable-1.5m/analog 3.5mm cable-1.5m/USB power cable-1.2m 
  • Operating temperature0-40°C (32-104°F) 
  • RF output power10 mW (max) 
  • Number of channels79 
  • Input voltage range5V 
  • Frequency bandISM 2.4GHz Band 
  • Frequency range2.4GHz~2.4835GHz 
  • RF sensitivity-80dBm (BR, Max) 
  • Transmission frequency2402 to 2480 MHz 
  • Weight w/o cable85g 
  • Connectionanalog or digital 
  • Audio codecSBC, aptX,aptX LL

    Advanced Active Noise Cancellation
    Up to 30 hours play time
    Wireless via Bluetooth
    Transparency Mode
    Proximity Sensors

SPECIFICATIONS

• Rechargeable lithium-ion battery

• Capacity: 1110 mAh

• Up to 30 hours playing time with Bluetooth and ANC

• Up to 45 hours with Bluetooth only

• Up to 42 hours wired with ANC + control

• Charging time approx 3.5 hours

20 - 22,000 Hz

Transparency Mode is accessible with a touch of a button on the earcup.