The Advanced Intelligent DSP IR Receiver from Listen Technologies is an advanced iDSP IR receiver with high-sensitivity. The integrated neck loop/lanyard with DSP loop driver, improves the listening experience for T-coil users. Listen's programmable channel select button allows the user to cycle through active channels, seek to, or lock to a channel. A field-replaceable, lithium-ion battery is included with the unit.
The receiver has an OLED display which shows unique channel names, battery status, channel status, volume status, and charge activation. Connect the iDSP neck loop/lanyard or ear phones via two 3.5mm output jacks (receivers can be shared). The micro-USB connection is used with the free iDSP software suite for set up, programming, inventory management, firmware updates, and charging via any standard USB port.
- High-sensitivity receiver
- Programmable channel select button allows user to cycle through active channels, seek to, or lock to a channel
- Integrated neck loop/lanyard with DSP loop driver improves the listening experience for T-coil users
- OLED display which shows unique channel names, battery status, channel status, volume status, and charge activation
- Can be worn around the neck, with the belt clip, or concealed in a pocket
- Use for multi-channel applications
In the Box
Listen Technologies Advanced Intelligent DSP IR Receiver
- Field-Replaceable Lithium-Ion Battery
- Limited Lifetime Warranty
| Audio |
| Frequency Response | 63 Hz to 15 kHz (�3 dB) |
| Signal to Noise Ratio | Mono: >60 dB
Stereo: >52 dB |
| Distortion | <2% total harmonic distortion (THD) at 80% deviation |
| Audio Output Jacks | 2 x 3.5 mm connectors, unbalanced, 0 dBu nominal output level, 16 mW maximum, impedance 32 Ohms, accepts mono or stereo phone plug |
| Controls |
| User Controls | Power on/off, volume up/down, Listen button for end user channel selection |
| Set-Up | Press and hold up/down volume buttons for 5 seconds to enter channel adjust, use up/down to select channel |
| Programming | Via software and USB port |
| Indicators |
| LED | Flashes when batteries are low or to indicate charging, solid when fully charged |
| Display | OLED; channel designation, battery level, unit number, charging status, volume status |
| RF Specification |
| Carrier Frequency | 2.3 MHz, 2.8 MHz, 3.3 MHz, and 3.8 MHz |
| Number of Channels | 4 x selectable channel |
| Frequency Accuracy | � .005% stability 32 to 122�F (0 to 50�C) |
| Modulation | FM Wideband, �50 kHz deviation max, 50 uS de-emphasis |
| Specifications |
| Sensitivity | IR: better than 1 nW/cm2 @40 dB SNR |
| Squelch | IR: programmable in 20 steps, automatic on loss of IR signal |
| Power Save Mode | IR: turns unit off after a specified time of no IR signal, default is 30 minutes |
| Power |
| Battery Type | Lithium-ion |
| Battery Life | 8 hours of typical use |
| Battery Charging Time | Fully charged in 2.5 hours |
| Power Supply | Micro-USB connector, 5 V, 500 mA |
| Environmental |
| Operating Temperature | 14 to 104�F (-10 to 40�C) |
| Storage Temperature | -4 to 122�F (-20 to 50�C) |
| Humidity (Non-condensing) | 0 to 95% relative humidity |
| Physical |
| Color | Flat black |
| Dimensions | Unit: 3.75 x 2 x 0.64" (9.6 x 5 x 1.7 cm)
Unit with Belt Clip: 3.75 x 2 x 0.80" (9.6 x 5 x 2.1 cm) |
| Weight | Unit: 1.9 oz (53.9 g) Unit with Batteries: 2.8 oz (79.4 g) |
| Packaging Info |
| Package Weight | 0.2 lb |
| Box Dimensions (LxWxH) | 4.3 x 2.4 x 1.2" |
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