Description
The Listen Technologies LS-31-072 iDSP Essentials Level 2 Stationary RF System delivers exceptional assistive listening coverage for larger venues up to 305 meters (1,000 ft). Designed as an affordable yet powerful solution, it enhances the capabilities of Listen’s entry-level system with a long-range transmitter and multiple digital receivers.
With universal input compatibility, the transmitter supports a wide range of audio sources, and three selectable broadcast frequencies ensure easy setup and reliable operation. Digital tuning technology prevents signal drift, ensuring consistent audio clarity throughout the listening experience.
Ideal for houses of worship, lecture halls, theaters, and public venues, the LS-31-072 package includes everything needed to deploy an effective and compliant assistive listening system — from transmitters and receivers to mounting kits, charging accessories, and user lanyards.
| Feature | Description |
|---|---|
| Model | LS-31-072 |
| System Type | iDSP Essentials Level 2 Stationary RF System |
| Frequency Band | 72 MHz |
| Transmission Range | Up to 305 m (1,000 ft) |
| Frequencies | 3 selectable channels |
| Tuning | 100% digital; drift-free operation |
| Audio Input Compatibility | Universal inputs (supports most audio sources) |
| Included Components | 1 × LT-803-072-01 3-Channel RF Transmitter (72 MHz)1 × LA-122 Universal Antenna Kit (72 MHz and 216 MHz)1 × LA-326 Universal Rack Mounting Kit4 × LR-3200-072 Intelligent DSP RF Receivers (72 MHz)4 × LA-401 Universal Ear Speakers2 × LA-430 Intelligent Ear Phone/Neck Loop Lanyards1 × LPT-A107-B Dual RCA to Dual RCA Cable (2 m)1 × LA-423-01 4-Port USB Charger1 × LA-304 Assistive Listening Notification Signage Kit |
| Range of Coverage | Entire venue (up to 1,000 ft) |
| Shipping Weight | 13.08 lbs (5.94 kg) |
| Application | Assistive listening for venues, churches, classrooms, and conference rooms |
| Manufacturer | Listen Technologies Corporation |
Payment & Security
Your payment information is processed securely, and we do not store credit card details or access your credit card information.
Return Policy (Short Summary)
We offer a 30-day return window for most unopened, factory-sealed items.
Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.
Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.
For damaged or incorrect items, please contact us immediately.
From Scope to Sign-Off
A structured delivery process designed to reduce risk and keep projects moving.
Plan
Discovery, site review, requirements gathering, and project alignment. We define scope, constraints, and success criteria before any design work begins.
- Discovery calls & stakeholder interviews
- On-site survey & infrastructure review
- Requirements & use-case documentation
- Project scope, timeline & milestone alignment
Engineer
System design, schematics, signal flow, BOM development, and documentation. Every project leaves this phase with a complete engineering package.
- AV system design & signal flow diagrams
- Equipment selection & BOM development
- Rack layout & control system design
- As-built documentation package
Deploy
Procurement, logistics, installation, programming, commissioning, and training. We own the delivery from first shipment to final handoff.
- Authorized procurement & logistics coordination
- Physical installation & cable management
- Control system programming & configuration
- Commissioning, testing & end-user training
Support
Monitoring, maintenance, lifecycle planning, and long-term service agreements. We stay engaged long after project close.
- 24/7 remote system monitoring
- Preventive & reactive maintenance
- Technology lifecycle & refresh planning
- Long-term service level agreements
A decade of delivery — trusted by 275+ clients across industries
