Description
The Listen LS-54-072 iDSP Prime Level II Stationary RF System (72 MHz) is a complete assistive listening solution designed for permanent installations that require reliable performance and ADA compliance. Built around the LT-800-072 Stationary RF Transmitter and LA-122 Universal Antenna Kit, this system ensures exceptional sound clarity and coverage in theaters, houses of worship, classrooms, and auditoriums.
It includes four LR-4200-072 Intelligent DSP RF Receivers, universal ear speakers, intelligent neck loop lanyards, a USB charger, and an assistive listening signage kit — providing everything needed for immediate setup and user accessibility.
With advanced DSP SQ™ noise reduction, the system delivers 20 dB less noise than traditional devices, while its integrated neck loop/lanyard enhances the experience for T-coil hearing aid users. The compact receiver design improves portability and storage, and green battery technology reduces maintenance costs and environmental impact.
The LS-54-072 system empowers venues to meet legislative assistive listening standards while providing superior audio quality and user comfort.
| Specification | Description |
|---|---|
| Model | LS-54-072 |
| System Type | Stationary RF Assistive Listening System |
| Frequency | 72 MHz |
| Transmitter Included | LT-800-072 Stationary RF Transmitter |
| Antenna Kit | LA-122 Universal Antenna Kit (72 MHz / 216 MHz) |
| Mounting Kit | LA-326 Universal Rack Mounting Kit |
| Receivers | Four (4) LR-4200-072 Intelligent DSP RF Receivers |
| Ear Speakers | Four (4) LA-401 Universal Ear Speakers |
| Neck Loop / Lanyard | Two (2) LA-430 Intelligent Earphone/Neck Loop Lanyards |
| Charger | LA-423 4-Port USB Charger |
| Cable | LPT-A107-B Dual RCA to Dual RCA Cable (6.6 ft / 2 m) |
| Signage Kit | LA-304 Assistive Listening Notification Signage Kit |
| Noise Reduction | Advanced DSP SQ™ technology – up to 20 dB noise reduction |
| Battery Technology | Advanced green rechargeable battery system |
| Shipping Weight | 19.0 lbs (8.62 kg) |
| Application | Houses of worship, theaters, classrooms, and public venues |
| Compliance | ADA and accessibility legislation compliant |
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
