Sennheiser RS 140 Wireless Balanced Headphones

Product Description
The Sennheiser RS 140 Wireless Balanced Headphones use a switchable dynamic compression system for excellent sound accuracy and balance control for optimum right/left volume adjustment. The adjustable high output level can compensate for minor hearing loss, and the auto-tuning mechanism with memory function finds crisp, clear music. The self-learning automatic level control provides optimum signal reception. Power comes from NiMH batteries that are recharged by simply putting the headphones on their transmitter base that can be mounted to a wall. A charge lasts for 23 hours. The RS 140 is backed by a two-year warranty.
Product Description
The RS 140 wireless headphone system features a switchable dynamic compression system for excellent speech intelligibility and balance control for optimum right/left volume adjustment. If necessary, a high output level can be adjusted to compensate for moderate hearing loss. Enjoy wireless freedom of sound with exceptional sound adaptation.
cushioned, over-the-ear design with closed earcups and a padded, adjustable headband * 900 MHz RF (radio frequency) wireless transmission * selectable 3-channel transmission * switchable compression *
Product Features and Technical Details
Product Features
- Wireless, rechargeable hi-fi headphones with switchable dynamic compression system
- Maximizes clarity of spoken voices to enhance TV sound or assist people with moderate hearing loss
- Intelligent auto tuning and automatic signal control ensure high-quality reception
- Transmission range of up to 150 meters; 18 Hz to 21 kHz frequency response
- Includes NiMH battery pack, charging stand, transmitter, and 1/4-inch plug adapter
Technical Details
- Model number: RS 140
- Color: Headphones: black with silver earcup caps; Transmitter: grey-black with charging cradle (chrome-plated)
- Frequency response: 18-21,000 Hz
- Transducer principle: Dynamic, closed
- Max. SPL at 1 kHzw: 110 dB
- THD: Less than 0.5 percent
- Ear coupling: Circumaural
- Headphones weight: Approx. 280 g
- Headphone power supply: 2.4V – 3V via 2 AAA size NiMH batteries (LR 03)
- Operating time of headphone batteries: Approx. 23 hours
- Transmitter modulation: FM stereo
- Transmitter range: up to 150m (RS 140 – 864 MHz), up to 100m (RS 140 – 926 MHz)
- Transmitter signal-to-noise ratio: Less than 68 dBA (typical)
- Transmitter carrier frequencies: 863.3, 864.0, 864.7 MHz or variant with 926.1, 926.8, 927.5 MHz
- Transmitter audio connector: 3.5mm stereo jack plug with adaptor to 1/4″ (6.3mm); RCA connector (926 MHz)
- In the Box: RS 140 headphones, rechargeable NiMH battery pack, transmitter and recharging stand, AC adapter, user’s manual

