Description
The Listen Technologies LS-56-072 iDSP Advanced Level I Stationary RF System (72 MHz) provides a complete solution for multi-channel assistive listening in public venues. This system includes the LT-800-072 transmitter, four LR-5200-072 Advanced iDSP receivers, and a telescoping antenna to deliver superior clarity and reliable performance.
Each LR-5200-072 receiver uses DSP SQ™ noise-reduction technology, offering 20 dB less hiss than standard RF receivers for enhanced intelligibility. The integrated neck loop/lanyard with DSP loop driver supports T-coil hearing aids, while the compact design makes devices easy to wear, distribute, and store. Rechargeable lithium-ion batteries provide long-term savings and full recharge within 2.5 hours.
Complete with ear speakers, neck loops, a 4-port USB charger, and assistive-listening signage, the LS-56-072 helps venues deliver inclusive, high-quality audio experiences while maintaining ADA compliance.
| Category | Specification |
|---|---|
| Model | LS-56-072 |
| System Type | iDSP Advanced Level I Stationary RF System |
| Frequency | 72 MHz |
| Transmitter | 1 × LT-800-072-01 Stationary RF Transmitter (72 MHz) |
| Antenna | 1 × LA-106 Telescoping Top-Mounted Antenna (72 MHz) |
| Receivers | 4 × LR-5200-072 Advanced Intelligent DSP RF Receivers (72 MHz) |
| Audio Performance | 20 dB less hiss than standard RF receivers |
| Noise Reduction | DSP SQ™ Noise Reduction Technology |
| Hearing-Aid Compatibility | Integrated Neck Loop / Lanyard with DSP Loop Driver |
| Battery Type | Rechargeable Lithium-Ion |
| Battery Charge Time | Fully recharges in 2.5 hours |
| Accessories Included | 4 × LA-401 Universal Ear Speakers; 2 × LA-430 Neck Loops/Lanyards; 1 × LA-423 4-Port USB Charger; 1 × LPT-A107-B Dual RCA Cable (2 m); 1 × LA-304 Assistive Listening Signage Kit |
| Shipping Weight | 10.0 lbs (4.55 kg) |
| Key Features | 20 dB less noise and hiss; advanced DSP processing; compact form factor; green battery technology; ADA compliant |
Payment & Security
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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
