No matter you’re at home or on the go, many of us spend a lot of time listening to music on our headphones. If you’re looking to get beyond the iPod earbuds and invest in a nice pair of headphones for yourself, When Apple began packaging earbuds with their iPods in 2001, music lovers abandoned their Walkman® and Discman® portable music players along with whatever headphones they were using at the time, and a new consumer market was born.
Soon people wanted better sound from their portable players, and that meant something other than ubiquitous white earbuds. Now over a decade later, the explosion of models, styles, features and costs can be a little overwhelming. So many brands, colors, pop stars and prices. Here’s how to pick out the perfect set for you. What’s the real difference? Here’s some helpful information that may keep you out of the weeds when you’re trying to decide.
Think about how you will use them
Everyone uses earphones a little differently – listening to music while working out, tuning out background noise on the bus, train or plane, hearing a mix onstage in a personal monitoring system or being able to make and receive calls while listening to music, a podcast or an audio book. The more features you add (onboard volume control, multiple drivers, detachable cable), the more earphones will cost you.
Are you going to use them every day of the week on the way to work, school or on the train? Another consideration is how careful you are. Will you place them back in a carrying case or toss them in the bottom of your gym bag? Which family members are likely to borrow them from time to time? (And how careful are they likely to be?)
Sound isolation considerations
Sound Isolating™ earphones, like the ones that Shure makes, work passively the same way that earplugs do. Soft, pliable sleeves fit snugly into the ear and physically block outside noise from entering the ear. Sound isolation works across the entire audible spectrum and in all kinds of environments without the need for batteries.
Let’s say, though, that you’re a runner and like to listen to a playlist on your morning jog or training for your next 10K. Then, safety becomes a factor. You may want to choose non-Sound Isolating earphones that will allow you to hear ambient sound – a person’s voice, traffic noises, car horns or train whistles.
Comfort as a critical factor
For many users, comfort is just as important as audio quality. You’re not going to insert something into your ear that doesn’t feel good. Getting it right can take a little experimentation and patience.
For Sound Isolating earphones especially, the fit is critically important to seal the ear canal. That’s why manufacturers package multiple sizes and styles of sleeves with their earphones. These sets of sleeves – generally foam or silicone – can effectively block most ambient sound. Aftermarket manufacturers (Sensaphonics is one) also offer custom-fit sleeves for a variety of earphones, including Shure’s.
Bluetooth Sport Earbuds
Also a matter of personal taste is where the cable is located. Do the earphones tend to fall out during exercise? Does the cable interfere with your sunglasses?
Straight down: The most common type (think of the earbuds that came with your first iPod), these are worn with cable hanging straight down. The cable can be positioned in back or front.
Over the ear: Provides stability for active use. The secure fit is one reason why this type of cable architecture is found on most professional-grade earphones. The cable can be worn in back or front.
To produce sound, earphones employ a variety of types and quantities of miniature speakers, more commonly known in the audio industry as drivers. Here are a few considerations that apply to sound quality and determining what’s good for you:
Are you listening or working / performing?
The type of music you listen to.
Other audio equipment you own.
Quantity of drivers
An earphone with only one driver per side (a single-driver earphone) can produce sound throughout the entire audible range (normally between 20Hz and 20kHz). So why would anyone ever use more than one driver? Because there are limitations to what a single driver can do. Here are a few:
It might not get very loud before distorting
The “curve” of the sound (the relative levels of frequencies from low to high) can be limited
Any changes must be applied through EQ or other processing
To counter the limitations of single driver earphones, it is common to include multiple drivers in each side. Special filtering is applied to further segregate the range of frequencies, allowing one driver to focus only on a specific range. This can increase efficiency and the overall level that can be reached. It is not unlike the technology used in normal stereo speakers. The incoming audio signal is split into two or more audio paths (depending on the number of drivers), and each path is optimized for a specific frequency range.
It is not guaranteed that a multi-driver earphone will outperform a single-driver earphone. In fact, poorly designed multiple driver earphones can cause anomalies or artifacts in the frequency response that may lead to dissatisfaction for a music listener or worse, inaccurate performances or mixes for musicians and sound engineers.
In addition to the quantity of drivers it is important to note the crossover circuitry in a multiple driver earphone.
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