When compared to the 4.4 rating based on more than 830 Amazon customer reviews, the biggest difference when looking at the new version versus the original 20S is clearly evident as soon as you see the fixed shark-fin antenna. Sena moved away from the foldable antenna that was part of the original 20S and opted for a newer design that provides better communications performance and reduces issues related to worn-out hinges of older versions.
The Sena 20S EVO is priced at 231.72 dollars for a single unit with premium HD speakers and Bluetooth connectivity for music, phone calls, and GPS integration. Compared to the rest of Sena's lineup, the 20S EVO sits between the basic features of the entry-level 5S and the high-end mesh capabilities of the 50S.
Specs and Build Quality
The Sena 20S EVO is essentially an updated version of the 20S with added improvements. The most significant update is the replacement of the older flip-up antenna with a fixed shark fin type, eliminating the mechanical failure point that existed in earlier versions where the hinge had loosened over time.
Key specifications:
- Type: Bluetooth intercom
- Riders: Two
- Speakers: Premium HD speakers by Sena
- Bluetooth: Bluetooth 4.1 for phone connection
- Intercom range: Up to 1.2 miles
- Battery life: Claimed 13 hours talk time
- Charge time: Approximately 2.5 hours via USB
Build quality is consistent with all previous Sena products. A durable plastic housing with a jog dial that functions even with gloves. The mounting bracket provides a secure fit to most helmet shells, and the speaker pads are designed to fit into most helmet ear cups.
Audio and Microphone Performance
Compared to the standard speakers used on the lower-cost 5S models, the HD speakers supplied with each bundle provide a much clearer signal. Bass response has been improved, and the maximum volume is sufficient at highway speeds without audible distortion. Riders who upgrade from the original 20S or older SMH models will notice a significant jump in audio clarity.
For full-face helmets, Sena supplies a wired boom microphone, and for half-shells and open-face helmets, they supply a separate wired microphone. Voice quality on calls is clean. Wind noise cancellation works effectively until approximately 60 mph. At higher speeds, some wind noise bleeds through, which is normal for this category of intercom. Most riders find the wind handling acceptable even at highway cruising speeds.
Audio from a phone via Bluetooth sounds good for a helmet-mounted system. While these speakers cannot match dedicated in-ear monitors on frequency range, for listening to GPS directions, podcasts, or casual music on group rides, the quality is satisfactory.
What Amazon Reviewers Are Saying
Amazon customers have given the Sena 20S EVO an average rating of 4.4 stars with over 830 total ratings. Many who upgraded from the original 20S comment on how much easier it is to communicate during group rides due to increased intercom range and significantly fewer dropouts. Several long-time users comment positively on how much more reliable the new antenna design is. Riders who had previously dealt with loose antenna hinges on the older model specifically noted that the fixed shark-fin design feels much more durable over time.
Positive remarks also cover the clarity of the HD speakers, ease of connecting via Sena's smartphone app, and battery life exceeding expectations in real-world use. Some negative comments indicate that while the volume level is suitable for most situations, a little more headroom would be nice with heavy highway traffic noise. There were also mentions of this unit being slightly larger than newer slim-profile units such as the Sena 5S or 3S.
Negative reviews are few. Most complaints center on Bluetooth 4.1 being somewhat dated when many competitors offer Bluetooth 5.0 or 5.2, plus the lack of mesh networking which restricts the unit to only two riders. That said, for riders who mainly commute with a passenger, the older Bluetooth standard has little practical impact on daily use. Check sena.com for full specs and firmware updates for their headsets.
Check out our full motorcycle intercom comparison table to see how the 20S EVO compares to other Bluetooth headsets.
Who Is This Intercom For?
The Sena 20S EVO is a solid mid-range pick for two-up riding. If you mostly ride with one passenger or a single riding partner and want reliable Bluetooth intercom with good audio quality, this Sena Bluetooth intercom set is a sensible upgrade over older Sena SMH10 or original 20S units without jumping to mesh.
It is less suited for large group rides where you need four-plus rider communication. The Bluetooth pairing is limited to one intercom partner at a time. For group riding, Sena's mesh units like the 30K or 50S are better suited.
For a first-time Sena buyer, the 20S EVO is a capable entry point. The HD speakers and improved antenna are the key upgrades. If you already own a 20S in good condition, the upgrade is optional.
Frequently Asked Questions
Can the 20S EVO connect to more than one rider?
Bluetooth intercom pairing supports one partner at a time. It does not support multi-rider group intercom or mesh networking. For group riding, upgrade to the Sena 30K or a mesh model.
Does the 20S EVO work with other brand intercoms?
Bluetooth universal pairing works with some non-Sena intercom systems. Compatibility varies by brand. Pairing two Sena units is straightforward via the jog dial interface.
How long does the battery last on a long ride?
Sena claims 13 hours of talk time. Real-world reports on Amazon suggest 11 to 13 hours depending on volume levels. A full charge takes about 2.5 hours.
Is the microphone removable?
The boom microphone clips in and out of the base unit. A wired microphone option is included for half-shell and open-face helmets where the boom mic does not position well.
Does the 20S EVO have FM radio?
Yes. The 20S EVO includes a built-in FM radio tuner with RDS and station scanning via the smartphone app.
Can I use the 20S EVO while charging?
Yes. The unit operates in pass-through mode while connected to USB power, so you can use GPS navigation and intercom on a multi-day trip while charging from a battery pack. It also works with portable power banks, making it practical for long tours without worrying about running out of battery mid-ride. Pick up the 20S EVO on Amazon to check current pricing.
Compare this with other intercoms on our intercom comparison page.