Listen Technologies Listen iDSP Essentials Level 2 Stationary RF System (72 MHz)
at B&H Photo Video
About this item
Listen Technology's Listen iDSP Stationary RF System is designed to handle your installed assistive listening needs. The system includes almost everything you need, and is designed to work digitally to preserve clarity and intelligibility. With its long transmission range, the Listen iDSP includes a three-channel RF transmitter, an antenna kit, a rackmount kit, four receivers, four ear speakers, and necessary accessories, such as a 4-port charger, two neck lanyards, cabling, and more.
Listen Technologies LA-326 Universal Rack Mounting Kit
Listen Technologies 4-Port USB Wall Charger
- Features
- Complete Assistive Listening System
- 100% Digital Operation
- Transmitter, Antenna, Receivers & More
- Ear Speakers, Charger, Cabling & More
Specifications
- Frequency Response
50 Hz to 15 kHz (+/- 3 dB)
- Signal to Noise Ratio (SNR)
62 dB (A-Weighted)
- System Distortion
<2% total harmonic distortion (THD) at 80% deviation
- Input
Input 1: 1x Female XLR or 1/4" combo connector, balanced, 0 / -55 dBu (line/mic) nominal input level adjustable, -30 / +21 dBu (line/mic) maximum input level, impedance 20 k / 1 kOhm (line/mic), phantom power 12 VDC - on rear panel Input 2: 2x phono connectors, unbalanced, -10 / +10 dBu nominal input level adjustable, +30 dBu maximum, impedance 100 kOhms - on rear panel
- Output
Audio: Input 1 and input 2, mixed output on - rear panel), 2x phono connectors, unbalanced, -10 dBu nominal output level, +15 dBu maximum, impedance 10 Ohms Headphone: 1x 3.5 mm stereo connector, unbalanced, adjustable output level, +3 dBu maximum, impedance 10 Ohms
- Audio Processing
Compression can be turned on or off, slope internally adjustable from 1:1 to 4:1, default 2:1
- Contour
Cuts and boosts frequencies above 5 kHz
- Controls
User Controls: Front Panel: Power, test tone on/off, channel up/down, input levels, mix level, contour, monitor volume control Rear Panel: Input 1 - Level, (line, mic, mic-phantom power) Input 2 - level (-10 / +10 dBu), RF power level (low, mid, high) Internal Adjustments: Compression ratio for audio processor Programming: SQ on/off, process on/off, channel lock
- Indicators
Audio Input Status LEDs: Indicate Input 1, Input 2, and Mix audio levels; 10 segment LEDs; 8 green, 2 red Processing: Indicated by a green LED when on (front panel) RF Power: Indicated on the LCD (low, mid, high) LCD: Channel designation, lock status, RF power level, programming (front panel) Test Tone: Red LED illuminates when test tone is enabled
- Frequency Range
(A) 72.100 (E) 72.900 (H) 75.900
- Number of Channels
3x wide band
- Frequency Accuracy
+/- 0.005% stability 32 to 122oF / 0 to 50oC
- Transmitter
Transmitter stability: 50 PPM Transmission Range: Up to 1,500' / 457 m
- Output Power
80000 uV at 3 m
- Antenna Type
Various antennas available BNC connectors
- Power Supply
In-line power supply, (part number LA-207)
- Power Supply Input
100 to 240 VAC, 50 to 60 Hz, 0.4 A
- Power Supply Output
12 VDC, 1.3 A, 15.6 W
- Power Supply Connector
Barrel type: 0.02" (5.0 mm) OD 0.01" (2.5 mm) ID
- Color
Dark gray with white silk screening
- Environmental
Operation temperature: 14 to 104°F (-10 to 40°C) Storage temperature: -4 to 122°F (-20 to 50°C ) Relative humidity: 0 to 95% relative humidity, non-condensing
- Compliance
UL, CE, GS, TÜV, RoHS FCC Part 15, Part 90, Industry Canada
- Dimensions
1.75 x 8.5 x 9.13" (4.5 x 21.5 x 23.0 cm)
- Weight
With power supply: 4.5 lb (2.0 kg) Unit weight: 2.60 lb (1.2 kg)
- Package Weight
3.75 lb
- Box Dimensions (LxWxH)
13.4 x 9.7 x 3"