Features

• Compliant to IEC 61603-7 and IEC 60914
• Compatible with any other IR simultaneous interpretation system compliant to IEC 61603-7
• Digital infrared processor with DQPSK digital modulation/demodulation technology
• Transmitting in 2~8 MHz frequency band eliminates disturbance from high frequency lighting systems
• Channel selection via up/down button, at most 4,8,16 or 32 channels available
• LCD display with channel number, language name, battery and signal status indication
• Optional lithium rechargeable battery pack or 2xAA cells, excl. batteryNumber of available channels is always the same as the number of channels in use by the system, eliminating the need to scroll through unused channels
• Adjustable volume
• Unique 270º super wide reception angle, ensuring perfect sound quality even when casually placed
• Audio signal automatically muted when signal is too low, ensuring that the user receives only high quality audio.
• Ergonomically compact and elegant design
• Lightweight and handy receiver in conjunction with single earphone or headphone for easy and comfortable use
• Can be hung over the neck via a nice strap or fit into the shirt pocket
• Freedom of movement within the range of IR power radiator
• No limit to the receiver number within the IR power radiation range
• Works without errors, even in bright sunlight
• Built-in high precision rechargeable circuitry to prolong battery life
• Optional lithium rechargeable battery pack or 2xAA cells, excl. battery
• No power consumption and auto-off when headphone is disconnected after 5 minutes

Specification

CONTROLS AND INDICATORS

• LCD displays channel number, language name, battery capacity, signal intensity and volume Power switch
• Channel selector buttons
• Volume control buttons

INTERCONNECTIONS

• Ø 3.5 mm stereo earphone jack
• Charging contacts

TECHNICAL SPECIFICATIONS

• Modulation: DQPSK, according to IEC 61603-7 Modulation frequency
• Carriers 0 to 5: 2 to 6 MHz, according to IEC 61603-7
• Frequency response:
• 20 Hz to 10 kHz (-3dB) at standard quality;
• 20 Hz to 20 kHz (-3dB) at perfect quality
• THD at 1 KHz: <0.05%
• Isolation: >80 dB
• Dynamic range: >80 dB
• Weighted SNR: >80 dBA
• Input range: -12 dBV ~ +12 dBV (adjustable)
• IR irradiance level: 4 mW/m2 per carrier
• Angle of sensitivity: 270º
• Headphone output level at 2.4 V  450 mVrms (speech at maximum volume, 32 Ohm headphone)
• Headphone output freq. range: 20 Hz to 20 kHz
• Headphone output impedance: 32 Ohm to 2 kOhm
• Max. SNR: >80 dBA
• Supply voltage: 3V to 4.2V,nominal 3.7 V
• Headphone jack unplugged after 5 minutes: 0 mA Battery life
• Rechargeable battery pack: 24 hours
• Dimensions (H x W x D): 159 x 49 x 23 mm
• Weight: excluding battery 85 g | including battery 128g (0.27 lb)
• Color: black with silver