USA 
HDR 120 Additional RF Headphones for the RS 120 Wireless Headphone System
Product Description
The Sennheiser HDR 120 RF wireless headphones are designed for use with Sennheiser's RS 115, RS 117, RS 118, RS 119, RS 119-II, RS 120, and RS 120-II wireless headphone systems so a friend or partner can also listen along to the television with you. These headphones feature extended low frequency reproduction, a supra-aural, open-back design, and include two NiMH rechargeable batteries for up to 20 hours of listening time. Please note that these headphones will not function without a compatible base station.
| System | |
| Item Type | Additional Headphone |
| Number of Included Headphones/Receivers | 1 x Headphone |
| Number of Included Headsets | |
| Number of Included Transceivers | |
| Headphone | |
| Earpiece Design | On-Ear (Supra-Aural), Open-Back |
| Earpiece Swivel | |
| Earpiece Connection / Wearing Style | Headband |
| Foldable | |
| Number of Earpieces | |
| Sound Field | Stereo |
| Earpad Size | |
| Driver Type | Dynamic |
| Number of Drivers | |
| Driver Size | |
| Diaphragm | |
| Magnet Type | |
| Voice Coil | |
| Impedance | 24 Ohms |
| Active Noise Cancellation | |
| Controls/Microphone Location | |
| Full Remote OS Support | |
| Sensors | |
| Contact Pressure | |
| Performance | |
| Frequency Response | 22 Hz to 19.5 kHz |
| Resonant Frequency | |
| Sensitivity | |
| Matching Tolerance | |
| Maximum Sound Pressure Level (SPL) | 106 dB |
| Maximum Power Handling | |
| Functional Bias Voltage | |
| Electrostatic Capacitance | |
| Output Power | |
| Volume Limiting | |
| Noise Attenuation | |
| Total Harmonic Distortion (THD) | 0.7% |
| SNR | |
| CMRR | |
| Channel Separation | |
| Storage Capacity | |
| Number of Mics | |
| Beamforming Support | |
| Type | |
| Diaphragm Size | |
| Mic Boom Location | |
| Pickup Pattern | |
| Noise Canceling | |
| Frequency Response | |
| Operating Voltage | |
| Sensitivity | |
| Maximum SPL | |
| Impedance | |
| SNR | |
| Distortion | |
| Equivalent Noise Level | |
| Wireless Connectivity | |
| Wireless Transmission | UHF |
| Number of RF Channels | |
| RF Bandwidth | |
| Max Systems per Setup | |
| Wireless Modulation | |
| DECT Standard | |
| Duplex Mode | |
| RF Channel Access Method | |
| Latency | |
| Speech Encoding | |
| Transmission Speed | |
| Approximate RF Sensitivity | |
| Supported Audio Codecs | |
| Bluetooth Profiles | |
| Bluetooth | |
| Bluetooth Power Class | |
| Wireless Range | |
| Frequency | 926 MHz |
| Transmitter Power | |
| Multipoint Support | |
| Maximum Paired Devices | |
| NFC | |
| Wireless Chipset | |
| True Wireless Pairing Method | |
| Transmitter Host Connection | |
| Encryption | |
| Wired Connectivity | |
| Audio Connector to Source | None |
| Connector Plating | |
| Adapter (Included) | |
| Cable Design | |
| Audio Connector to Earpiece | |
| Cable Length | |
| Cable Length | |
| Cable Color | |
| Cable Conductor Material | |
| Battery | |
| Battery Type | 2 x AAA |
| Battery Type | |
| Battery Chemistry | Nickel-Metal Hydride |
| Battery Chemistry | |
| Capacity (mAh) | |
| Runtime | 20 Hours |
| Runtime | |
| Quick Charging Times | |
| Recharge Time | |
| DC Input Power | |
| Wireless Charging | |
| Charging Port | |
| Charging Cable Length | |
| Number of Channels | |
| Users per System | |
| I/O Connectors | |
| Antenna | |
| Number of Charging Ports | |
| AC/DC Power Adapter | |
| AC Input Power | |
| Power Consumption | |
| Additional Runtime | |
| Battery Chemistry | |
| Capacity | |
| Charging Time | |
| Charging Interface | |
| Platform Support | |
| OS Compatibility | |
| Required Hardware | |
| Internet Connection | |
| Charging Temperature | |
| Operating Temperature | |
| Storage Temperature | |
| Operating Humidity | |
| Storage Humidity | |
| Certifications | |
| Physical | |
| Color | |
| Water Resistance | |
| IP Rating | |
| LED Indicator | |
| Material of Construction | |
| Dimensions | |
| Weight | 8.1 oz / 230 g |
| Warranty Length | Limited 2-Year Warranty |