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Old October 12th, 2017, 08:38 AM   #1
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[motorcycle.com] - MO Tested: Sena 20S EVO Motorcycle Bluetooth Communication System


Way back in March of 2015 I reviewed the Sena 20S Motorcycle Bluetooth Communication System and found it to be my favorite of all the systems Iíd ever sampled. I liked it so much that I bought a an extra mounting kit for it so that I could use it on my two favorite helmets, and when I wore something other than those two lids, I usually switched one of the mounts. In those two-plus years since the review, Iíve used the 20S on almost every single one of my motorcycle rides. It is an essential part of my motorcycle kit. Thatís how much Iíve grown to love the Sena 20S. So, you can imagine how stoked I was when I received a pair of the upgraded Sena 20S EVO communicators.


Before you read this review, I recommend you read the previous review (link above). Since the 20S EVO carries the same feature set, I wonít be repeating the description of all that the 20S and 20S EVO offer. Rather, Iíll be focusing on whatís changed with the addition of those three letters.

Family resemblance: the Sena 20S EVO (top) looks rakish and gets better range, thanks to the sporty fin when compared to its sibling the 20S.


First, the unit itself looks mostly the same as the previous generation save for the shark fin that has sprouted off its top back edge. The fin has replaced the flip-up antenna that was used when communicating with other riders. Sena claims the EVOís fin combines with the upgraded electronics to offer better range than the old setup. One other notable change to the form factor is slight-but-smart. The rubber plug for the micro-USB charging port now opens from the bottom, making rain that runs down the back of the unit less likely to enter the port. Very clever. The final physical change I noticed was the inclusion of a new twist-on locking mechanism for the microphone plug. The rest of the Sena 20S EVO kit remains the same from the speakers to the mounting brackets and their ports.

Although the 20S EVO would work with my old mount, I tested it on a completely new installation. The mounting bracket slips between the helmet shell and the EPS liner while speakers fit just like they did in my previous review. Pairing the EVO to my iPhone was as simple as holding a button down for six seconds. After that initial pairing exercise, the EVO and my iPhone linked up within a second or two of the Sena powering on. The older 20S took from 10Ė15 seconds to connect after powering up. No, this isnít a huge deal, but it is noticeable when used every day.

The LED light relays information ranging from state of charge to current mode of operation.


Although Sena says the noise reduction microphone is unchanged, people I talked to said that the EVOís noise attenuation worked slightly better than with my previous unit. (Perhaps the old mic was wearing out after two years of use and being switched between helmets several times Ė something the average user is not too likely to do.) The old system had begun to occasionally reduce the volume of my voice, making it difficult to hear. The EVO maintains a good level of noise reduction regardless of speed Iím traveling.

In testing the Bluetooth rider-to-rider communication, Iíd say that, in the environment that we ride in, the range was increased by about 10Ė15%. Out on the open highway, the range is respectable but not the mile-plus distances Sena claims. On a winding mountain road, the range is further than line-of-sight, extending to a couple corners ahead before the connection drops. When on the ragged edge of service, static can begin to break up words. Still, in the type of group riding I do, I found the range to be good. Since I only had two 20S EVOs, I was unable to test the units with a large group on the same hardware. The communication issues weíve heard about from readers stem from the way multiple Bluetooth headsets are linked to each other, and consequently, I suspect that there will be no change with the EVO. (Sena says that the upcoming 30K with its mesh networking will remedy the problem.)

Little details count: Having the power port open from the bottom makes it more difficult for water to enter the device.


For me, however, my daily use of the 20S EVO is primarily solo riding and communicating with my phone Ė mostly listening to directions. In this regard, there is one unwelcome change that I have noticed with the Sena 20S EVO. Iíve frequently written about how I use earphones that seal out the outside noise when Iím riding. Although the EVOís speakers are great for around town and can overpower wind noise when they are mounted so that they are almost touching my ears, I find it stressful to have the speakers essentially shout over the wind noise of highway-speed travel. So, I use Etymotic mk5 Isolator Earphones which act as my earplugs and protect my hearing. They also allow me to listen to directions at very low volumes since the wind buffeting is sealed out of my ear canal.

Now we get to the unwelcome change: When Iím wearing my earphones, I can hear a low-level whine whenever the 20S EVO connects to my iPhone. (Associate Editor Ryan Adams has noticed the same issue with his Android phone on his 20S EVO when he is wearing headphones, too.) While I canít hear the whine from the helmet speakers, the sound is noticeable enough with headphones that I know that Siri is about to give me directions about a second before she does. I donít notice the sound when playing music Ė except between songs. Similarly, it doesnít interfere with phone conversations, but I can hear it during pauses in a call. My old 20S didnít have this issue. While itís not a deal-killer for me, it is a bummer for a niggle like this to appear in such a quality product.

The speakers fit in every helmet cutout I tried. Included pads can move the speaker closer to your ear for better sound.


A similar bummer is the fact that the Ambient function of the EVO isnít as sensitive as the one on my old 20S. The Ambient function turns on an external microphone on the unit and amplifies the sounds through the helmet speakers/earphones, making conversations at gas stops much easier. On the EVO, I have to turn the volume up much louder to be able to carry on a conversation with my earphones in place. Again, not a huge deal but still one that bears mentioning.

So, with the 20S EVO, Sena has produced a mostly solid upgrade to its former top-of-the-line communicator the 20S. If youíre a 20S owner, I donít think that the changes to the system are worth the cost of upgrading. However, if youíve been looking at the 20S but havenít bought one yet, this would be a good upgrade to pull the trigger on Ė with one caveat. If youíre easily bothered by whines or buzzes Ė no matter how slight Ė you should buy the 20S EVO from a place with a liberal return policy in case you canít tolerate the buzz I mentioned. The other issue to consider is a problem with all evolving technology. Sena has the 30K slated for release in the next few months, and the company has claimed its mesh communication technology has eliminated the group chat issues that riders have had when riding in large groups. Do you buy now or wait for the next generation that is just around the corner?

While people on the other end of your phone calls may notice youíre on a headset, the noise-canceling microphone will keep them from knowing how fast youíre riding.


The Sena 20S EVO is available now for a single unit price of $299 and a pre-paired dual pack for $549.

The headphone jack allows you to enjoy the superior audio quality of earphones.


MO Tested: Sena 20S EVO Motorcycle Bluetooth Communication System Review appeared first on Motorcycle.com.



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