When comparing 66 Audio BTS Pro vs Audeze LCD-4, the Slant community recommends Audeze LCD-4 for most people. In the question“What are the best headphones?” Audeze LCD-4 is ranked 31st while 66 Audio BTS Pro is ranked 34th. The most important reason people chose Audeze LCD-4 is:
The hallmark of the LCD-4's sound signature is the bass. The lower frequencies go quite deep and also have a lot of power. This sound is achieved without bloat or muddiness. Those who prefer powerful yet still fairly accurate bass will definitely love these. The mids are full, clear and are quite forward as well so detail from vocals or guitars can easily be appreciated. The highs take a bit of a back seat. While there is still a good level of detail and resolution on the sound, the highs are not as sparkly or airy as other high end headphones. This can be a good thing for some though as this gives the LCD-4 a smoother sound but with less shimmer up top.
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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 Dark sounding headphones with powerful bass, full mids and slightly recessed highs
The hallmark of the LCD-4's sound signature is the bass. The lower frequencies go quite deep and also have a lot of power. This sound is achieved without bloat or muddiness. Those who prefer powerful yet still fairly accurate bass will definitely love these.
The mids are full, clear and are quite forward as well so detail from vocals or guitars can easily be appreciated.
The highs take a bit of a back seat. While there is still a good level of detail and resolution on the sound, the highs are not as sparkly or airy as other high end headphones. This can be a good thing for some though as this gives the LCD-4 a smoother sound but with less shimmer up top.
Pro Superb build quality
The build is a mix of metal, wood, authentic leather as well as carbon fiber. You can really tell that these headphones are expensive and are built really well.
Pro Soundstage has good width
The open back design gives these headphones good soundstage. Though not the widest, there is a good sense of space and separation to the sound.
Pro Heavy duty detachable cable with solid connectors
The LCD-4's cable is quite thick and hefty which should make it more resistant to breakage and other problems that most thinner cables have. Also, it uses mini XLR connectors which are much more secure as they lock in place.
Pro Ear cups feel really soft and smooth on the skin
It uses authentic leather on the earcups' surface which feel really smooth and supple on the skin. There is also a lot of cushioning thanks to the high quality foam material that is inside the cups. The foam also has acoustic properties that help seal in the sound really well.
Pro Includes a large, hard plastic shell case
The LCD 4 comes with case with ample room and padding inside for the headphones and the cable. While the case will most likely not fit in your travel bag, it will provide plenty of protection to your headphones should you decide to take them out of your home.
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 Very heavy
It weighs around 700 g, and that's without the cable. This makes the LCD-4 one of the heaviest headphones in the market today and will most certainly put quite a strain on your head and neck if you decide to wear these continuously.
Con Leather material on ear cups trap heat
The leather material prevents heat from escaping effectively. This results in heat building up rather quickly around the ears when using the LCD-4, so it's likely that you'll feel uncomfortable after long listening sessions.
Con Requires a powerful amp for optimal volume and sound
Plugging these directly to your computer or smartphone will lead to poor sound, since it requires a powerful amp to get good volume and to output the optimal sound quality that they are capable of producing.
Con Leak a lot of sound
The metal grills on the sides of the earcups do next to nothing to keep the sound within the ear cups. Other people near you will most likely hear what you are listening to.