Description
The Listen Technologies LS-90-01 ListenIR iDSP Level I System is a pre-configured infrared assistive listening solution designed for small to mid-size venues such as classrooms, boardrooms, theaters, and training facilities. It securely transmits high-quality audio via infrared, ensuring compliance and privacy in sound transmission.
This system includes all necessary components to deliver crystal-clear audio to audiences of up to 50 listeners. The LT-84 Transmitter/Radiator combo ensures superior line-of-sight coverage, while LR-4200-IR receivers with integrated neck loops and ear speakers provide clear, accessible listening for every participant. With easy setup, outstanding coverage, and affordable performance, the LS-90-01 offers an all-in-one assistive listening experience that’s simple, secure, and effective.
| Feature | Description |
|---|---|
| Model | LS-90-01 ListenIR iDSP Level I System |
| Coverage Area | Up to 2,787 m² (30,000 ft²) |
| Capacity | Supports venues up to 50 seats |
| Transmission Type | Infrared (IR) secure line-of-sight |
| Audio Performance | Crystal-clear, high-quality sound |
| Compatibility | Works with T-coil-equipped hearing devices via integrated neck loops |
| Included Components | 1 × LT-84-01 Transmitter/Radiator Combo2 × LR-4200-IR Intelligent DSP IR Receivers2 × LA-430 Intelligent Ear Phone/Neck Loop Lanyards2 × LA-401 Universal Ear Speakers1 × LA-423 4-Port USB Charger1 × LA-901 Listen Disinfecting Wipes (75 count) |
| System Type | Single-channel assistive listening |
| Setup | Pre-configured, plug-and-play installation |
| Region | North America |
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
