Listen Tech LPT-S1 Standard Soundfield System for Classrooms (Discontinued)
Usually arrives in 5-9 business days.
The Listen Technologies LPT-S2 Advanced Soundfield System for Classrooms is ideal for classrooms that want to get the most out of their soundfield system. The Advanced Soundfield System offers six direct inputs and one output on the CU, the RM which delivers 60 watts of power and a Microphone/Media Interface Kit (M1). The system allows classrooms to go on a Virtual Field Trip via Skype.
| Unbalanced Input | Four Stereo inputs via phono connectors, unbalanced, -10dBu nominal input level |
|---|---|
| Unbalanced Output | One Dual Unbalanced Output, Phono Connector, -10dBu nominal, +20dBu maximum, 10 Ohm |
| Balanced Input | One Balanced Input, Euro Connectors, 0dBu nominal, adjustable -18/+18 db, +20dBumax, Imp 10k Ohms |
| Balanced Output | One Balanced Input, Euro Connectors, 0dBunominal, +24dBu maximun, impedance600 Ohms |
| Teleconferencing Balanced Input | One Balanced Input, Euro Connectors, 0dBunominal, adjustable -18/+18 db, +20dBu max, Imp 10k Ohms |
| Teleconferencing Balanced Output | One Balanced Input, Euro Connectors, 0dBu nominal, +24dBu max, Imp 600 Ohms (mix-minus output) |
| Headphone Output | One 3.5 mm stereo connector, unbalanced, adjustable output level +10dBu maximum impedance 10 Ohm |
| Control Unit Inputs to Outputs Frequency Response | 21 Hz to 20 kHz, +/- 3 dB, < 0.1% THD, >80 dB SNR |
| Microphones to Outputs Frequency Response | 100 Hz to 10 kHz, +/- 3 dB, < 2.0% THD, >60 dB SNR |
| Controls & Indicators | Front Panel: Power Button, LCD, Control Dial, Headphone Level |
| Controls & Indicators | Back Panel: RS-232 (19200), CAT-5e Output w/ LED indicator, Power Input, System Reset |
| Power Supply Input | 100-240 VAC, 50-60 Hz |
| Power Supply Output | 19 VDC, 3.2 A, 60.8 w |
| Power Supply Connector | DC Plug type Connector, .2 in (5.5 mm) OD, center positive |
| Power Cord | Line cord is determined by each country’s AC power standards |
| Power Cord Length | 6 ft. (1.8 m) |
| Control Unit Mounting | Mounting platform provided for wall, desk, electrical boxes |
| Cable Cover Mounting | Mounts to mounting platform |
| Control Unit Weight | 1.5 lbs (.68 kg) |
| Control Unit Dimensions (H x W x D) | 1.5" (38 mm) x 8.5" (204 mm) x 6.9" (175 mm) |
| Shipping Weight | 3.0 lbs (1.36 kg) |
| Speaker Output | Four amplifier channels w/ 2-pin euro connectors |
| Paging Input | One 2 pin Euro Connector, 8 ohm, 25 volt, 70 volt - internally selectable |
| 6-12 VDC Input | One 2 pin Euro Connector, 600 Ohms |
| Relay Output | One 3-pin Euro Connector, Latching or Pulse Relay - programmed via software |
| Microphone to Speaker Frequency | 100 Hz to 10 kHz, +/- 3 dB, < 2.0% THD, >60 dB SNR |
| Unbalanced Input to Speaker Frequency Response | 20 Hz to 20 kHz, +/- 3 dB, < 0.1% THD, >80 dB SNR |
| Speaker EQ | Quickfilter®, 512 points of equalization by speaker model |
| Room EQ | Five band parametric, Two tone controls |
| Infrared Emitter38 kHz uplinkz | 38 kHz uplink |
| Infrared Emitter | 38 kHz uplink |
| Infrared Sensor | 2.3 MHz, 2.8 MHz |
| External Infrared Sensor | Two phono connectors provided |
| Controls & Indicators | Rear Panel: Four 2-pin euro connectors, two Cat-5e w/ LED indicator connectors, (2) phono |
| Power Supplied via Control Unit | 19 VDC, 60 Watts via Cat-5e cable |
| Room Module Weight | 1.75 lbs (.8 kg) |
| Room Module Dimensions (H x W x D) | 2.1" (54 mm) x 8.5" (204 mm) x 6.9" (175 mm) |
| Shipping Weight | 3.0 lbs (1.36 kg) |
| Internal Microphone | -50 dBu nominal, 100 Ohms, 100 Hz to 15 kHz, +/- 3 dB, < 2.0% (THD), >60 dB SNR |
| External Microphone | -50 dBu nominal, 100 Ohms, 100 Hz to 10 kHz, +/- 3 dB, < 2.0% (THD), >60 dB SNR |
| Auxiliary Input | -10 dBu nominal, 10k Ohms, 20 Hz to 20 kHz, +/- 3 dB, < 0.1% THD, >80 dB SNR |
| Infrared Emitter | 38 kHz sub carrier |
| Infrared Sensor | 2.3 MHz, 2.8 MHz, 3.3 MHz, 3.8 MHz |
| Up Button | Volume up |
| Mute Button | Mute microphone and/or GPI control |
| Down Button | Volume down |
| Soft Button | GPI Control - programmed via software |
| Green LED | Solid - on/off, blinking - muted (twice per second) |
| Red LED | Solid - microphone fully charged, blinking - charging, rapid blinking - battery low capacity |
| Amber LED | Blinking = programming mode/multi-function operation |
| Beeper | Link to sensor is lost or low battery |
| Battery Type | Lithium Ion |
| Battery Capacity | 1180 mAh |
| Battery Charge Time | < one hour charge time |
| Operating Time | Eight hours minimum |
| Power Supply Input | 100-240 VAC, 50-60 Hz, 0.4 A |
| Power Supply Cord and Connector | .09 in. (2.3 mm) OD, DC Plug |
| Power Supply Plugs | Removable plugs (types B, G, I and C included) |
| Tempature - Operation | -10°C (14°F) to +40°C (104°F) |
| Tempature - Storage | -20°C (-4°F) to +50°C (122°F) |
| Humidity | 0 to 95% Relative Humidity, non condensing |
| Mounting | Multiple charging stations can be mounted together, Holes provided for wall mounting |
| Microphone Color | Dark Grey (Outer edges), Light Grey (Buttons) |
| Microphone Weight w/ Battery | 3.8 oz (108 g) |
| Shipping Weight | 1.0 lbs (0.45 kg) |
| Microphone Dimensions (H x W x D) | 0.75" (1090 mm) x 2.0" (520 mm) x 4.3" (180 mm) |
| LPT-S2 System Shipping Weight | 48 lbs (21.8 kg) |