When comparing 66 Audio BTS Pro vs Monster iSport Freedom, the Slant community recommends 66 Audio BTS Pro for most people. In the question“What are the best headphones for running?” 66 Audio BTS Pro is ranked 2nd while Monster iSport Freedom is ranked 3rd. The most important reason people chose 66 Audio BTS Pro is:
The BTS Pro is quite robust and can withstand some minor splashes of sweat or rain as these are sweat-proof. They are not completely water-proof though, so you should not get them soaking wet.
Specs
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Pros
Pro Great for use when outdoors, going for a run or working out
The BTS Pro is quite robust and can withstand some minor splashes of sweat or rain as these are sweat-proof. They are not completely water-proof though, so you should not get them soaking wet.
Pro Good sound quality with focus on the lower frequencies
There is good detail in the highs and the mids can also be heard clearly with very little muddiness. The lower frequencies are boosted, resulting in a good level of depth and power to each bass thump.
Pro Will stay snug on your head
The BTS Pro ear cups sit on the ears with hooks keeping them in place. The flexible connecting band provides good clamping force and can adjust to your head size with continued use. Combined with cushioning on the cups, these are comfortable to wear and will stay in place.
Pro No long cables to deal with
Bluetooth connectivity allows the BTS Pro to connect with smartphones and compatible music players wirelessly, so cables won't be an issue.
Pro Companion iOS app adds extra functionality
66 Audio's Motion Control iOS App gives users added functionality, including EQ control and presets selection, battery status indicator, and even headphone position tracking. These features can improve the listening experience and also minimize the chances of you losing these headphones.
Pro Can last through multiple long listening sessions
With up to 40 hours of playback time at full charge, it's more than enough for most listening sessions. You won't have to charge these frequently.
Pro Hardshell case makes transport more secure and convenient
A hard shell carrying case is included, which can protect the headphones from minor impact and also make transport much easier. The case also has good aesthetics.
Pro Can be folded to a more compact size
They are easy to bring on the go as the ear cups can be folded into the headband. This further reduces the already slim and compact size, making them easy to chuck into a bag when on the go.
Pro Ear cup functions as a remote
The right ear cup of the BTS Pro features buttons for controlling headphone features. You can play/pause tracks, increase/decrease volume as well as answer/end calls by pressing the corresponding buttons, negating the need to pull out your phone to do so.
Pro Allows taking calls
You do not need to take the BTS Pro off in order to answer incoming calls. There is a built-in microphone which allows you to easily take or make calls in the middle of your run or workout.
Pro Great highs with recessed mids and lows
The high frequencies are what define this headphone's sound signature. The highs are clear and with good detail to them, which make these a good choice if you prefer sports headphones with detailed sound. The mids and bass are recessed, but they are still present enough to give some body to the sound.
Pro Versatile connectivity
If sports use is your primary use case then the Bluetooth connectivity will free you from the hassle of dangling wires while moving. However, there is the option to use a 3.5mm cable if you prefer a wired connection, or if the headphones are out of battery and you want to continue listening to audio.
Pro Good battery life
Long music listening sessions in wireless mode should not be a problem. These have around 24 hours of playback time which should be good enough for most users.
Pro Easily control headphone functions with the on-ear cup controls
With these headphones wirelessy connected to your smartphone, you do not need to pull out your device for playlist control. You can make simple touch gestures on the right ear cup for functions like volume adjust, or to play/pause/skip tracks.
Pro Easy to bring on the go
You should not have too much difficulty fitting these into a bag when going out. The ear cups can be folded into the headband, reducing its size for easier portability.
Pro Taking phone calls is possible without taking these off
The built-in mic along with the touch panel will make taking calls easier, as you do not need to pull out your phone to answer them.
Cons
Con Some distortion can be heard at lower volumes
There may be audible levels of a scratching sound or distortion when using these at lower volume levels. This can be quite distracting, and can have a negative impact on your listening experience.
Con Motion Control App is for iOS only
At the moment, users of non-iOS devices will not be able to take advantage of the companion app's functionality. However, 66 Audio have announced that an Android app is currently in development.
Con Lack of bass can make music feel unexciting
You may find the audio to be lean and unexciting due to the lack of bass. You will not be able to get a powerful thump from your music with these, which can be detrimental to your listening experience.
Con You may accidentally trigger remote functions
The panel can easily register accidental contact and can also be inaccurate, which can disrupt the listening experience.