Choosing the right assistive listening system can have a lasting impact on your venue’s accessibility and audience experience. Whether you’re upgrading a worship space, planning an auditorium retrofit, or designing a conference hall from scratch, two common technologies often come up: hearing loops and FM systems.
While both aim to make spoken content clearer for people with hearing loss, they function differently, and each has strengths depending on the environment.
In this guide, we’ll break down the key differences between hearing loops and FM systems, explain when each is the better fit, and offer helpful tips to make your venue more inclusive without overspending or overcomplicating.
Hearing loops are a type of assistive listening system that uses electromagnetic signals to send audio directly to hearing aids and cochlear implants equipped with T-coils (telecoils). The system consists of a microphone, an amplifier, and a wire loop installed around a seating area.
Once the loop is active, anyone with a compatible hearing device can pick up the sound wirelessly, so no additional receiver is needed.
For users, the experience is seamless. There’s no need to check out a receiver or adjust additional equipment. They simply walk into the loop zone, switch their device to the T-coil setting, and start hearing.
FM systems are devices that transmit sound using radio signals. A microphone picks up the speaker’s voice and sends it to a transmitter, which then broadcasts the audio to receivers worn by the audience. Listeners can use personal headsets or neckloops connected to their receivers to hear the content clearly.
Unlike hearing loops, FM systems do not require users to have hearing aids with telecoils. This makes them more universally accessible for people with varying levels of hearing loss or those who do not use hearing aids at all.
Hearing loops are especially effective in permanent venues where the layout and seating don’t change often. Churches, theaters, courtrooms, and auditoriums with fixed seating arrangements are excellent candidates.
Once installed, hearing loops blend into the building infrastructure and require little to no effort from users, just a compatible hearing aid and a flip of the switch.
The biggest benefit is ease of use. For venues that serve older adults or frequent hearing aid users, loops offer the most seamless experience possible. There’s no equipment to distribute, clean, collect, or maintain at each event.
And because the sound goes directly into the user’s hearing device, it is custom-tailored to their hearing profile, resulting in clearer, more natural audio.
However, hearing loops do require physical installation under or around the seating area. In carpeted venues or heritage spaces, this can take time, labor, and coordination. But once installed, maintenance is minimal, and the accessibility benefits are ongoing.
FM systems are a better fit for temporary setups, venues with variable layouts, or multi-room environments. Because the system is portable, it’s a go-to option for conference centers, schools, training sessions, and site tours. There’s no need for floor installation or fixed wiring because everything is plug-and-play.
Another advantage is that FM systems can serve users with or without hearing aids. Since they include dedicated receivers and headphones or neckloops, they support a broader audience. This makes them a good choice for public events, large conferences, or venues with visitors from different age groups or hearing backgrounds.
FM systems are also scalable. If your event attendance grows or you need to add multiple language channels for interpretation, it’s easy to expand the system by adding more transmitters and receivers.
That said, FM systems require more logistics. You’ll need to keep track of receivers, batteries, chargers, and headsets, and ensure everything is cleaned and functional before each use. The setup may also be subject to interference if multiple wireless systems are in use in the same location, although modern systems have improved frequency control.
In terms of cost, hearing loops involve a higher upfront investment due to installation, especially in larger or older buildings. However, they typically have lower long-term maintenance costs and fewer operational requirements, since users rely on their own hearing aids. For venues planning long-term use, this can pay off quickly.
FM systems are more affordable up front and can be deployed rapidly. They’re particularly budget-friendly for organizations hosting short-term or infrequent events. But the ongoing costs of maintaining, charging, and replacing receivers can add up, especially if equipment is lost or damaged over time.
ABBN offers both loop and FM systems in flexible packages. For venues unsure of which direction to take, we often help clients trial an FM system before deciding whether a permanent loop installation makes sense down the line.
For users with T-coil-equipped hearing aids, nothing beats the simplicity of hearing loops. There’s no need to self-identify, wait in line for a receiver, or figure out unfamiliar hardware. This level of dignity and independence is crucial, especially in houses of worship or public institutions, where attendees may not feel comfortable requesting special gear.
On the other hand, FM systems ensure that no one is left out. Even people without hearing aids—or those who forgot to switch their T-coil on—can still access amplified sound. For multilingual events, FM systems also make it easy to deliver interpretation audio alongside assistive listening.
Ultimately, accessibility isn’t just about ADA compliance. It’s about making sure everyone feels welcome, informed, and comfortable. The best system is the one that works for your audience, your space, and your team’s capabilities.
Modern hearing loops can be integrated directly into your venue’s audio system. Whether you’re running a digital soundboard or a simple PA, the loop amplifier can take the same audio feed and deliver it to the loop zone. This makes hearing loops a natural part of the larger AV ecosystem, especially in venues where audio clarity is a top priority.
FM systems, too, are designed to plug into existing setups, making them a flexible option for AV teams who already manage a mix of microphones, speakers, and media inputs. In larger events with multiple sessions or breakout rooms, FM’s portability and range provide an advantage when signal routing needs to be more dynamic.
There’s no one-size-fits-all answer, but here are a few scenarios that might help clarify your decision:
If your venue is permanent, with fixed seating and a high percentage of regular attendees who use hearing aids, a hearing loop is likely the best investment. It’s discreet, dignified, and virtually maintenance-free once installed.
If your event space is temporary, flexible, or serves a wide range of users (including those without hearing aids), an FM system offers more adaptability and immediate deployment.
You can also combine both. Some venues install a loop in their main hall and keep FM gear on hand for overflow rooms or visiting attendees who need interpretation or additional support.
ABBN helps clients navigate these choices by evaluating the acoustic, architectural, and operational factors at play. We’ve supported everything from 50-seat chapels to 5,000-person arenas, ensuring every attendee can hear clearly, no matter the format.
Assistive listening systems aren’t just about ticking an accessibility box. They’re about delivering real inclusion, giving every person the ability to fully participate, understand, and connect. Both hearing loops and FM systems can make that happen. It just depends on how your space is used and who you serve.
If you’re ready to improve your venue’s accessibility and aren’t sure where to start, we’d be happy to help you compare options, test systems, and plan the right setup.
Get in touch with ABBN today and let’s make your space sound better—for everyone.
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