review

RevoNext NEX202 Steampunk Design Earphones

Friday, August 09, 2019

IEMs (in-ear monitors) are typically used by audio engineers to "monitor" sound during production in a professional environment, or for live musicians and singers to monitor their live performance.
Regular earphones, in the other hand, are made to have custom sounds to them, which are sometimes referred to as "sound signature". This is why some earphones deliver more bass than others and why some earphones have way better highs and mids because they have been customized to sound a certain way.
The RevoNext NEX202 earphones have been customized to deliver very high frequencies (up to 40kHz), thanks to the addition of a balanced armature driver to bypass the limitations of a dynamic driver.
Like most dual driver earphones, the NEX202 earphones feature one balanced armature driver on the front, which focuses on the the mid/high range frequencies, and a titanium-coated 12mm dynamic driver in the back for the low frequencies (bass).
Generally speaking, dual-driver earphones offer better instrument separation and better sound though, not all dual-drivers are created equal. The RevoNext NEX202 are able to deliver nicely balanced highs, mids and lows. The highs are detailed without being too high-pitched, while the bass is booming without being muddled.
The sound stage and instrument separation is very good so, you get an immersive sound experience. The headphone sensitivity is high, at 105dB, allowing the RevoNext NEX202 to have a loud volume output.

Like with all earphones though, a proper seal is essential if you want to get the best sound out of them. Foam ear tips are proven to give you a better seal than regular silicone so, it's nice that RevoNext includes both silicone tips and foam tips with the NEX202 earphones.
The built quality of the RevoNext NEX202 earphones is literary solid, thanks to their metal housing construction. The earphones are made of two pieces of CNC machined aluminium alloy with the words "RevoNext NEX202" engraved in tiny letters on the underside of the earphones.
The choice of using CNC (computer numerical control) machining versus injection moulding means each NEX202 part is uniquely created by a computer program from a solid block of aluminum. This is rather different from the casting mold technique used in injection moulding where metal is, literary, injected into a cast to create the part. Manufacturers typically use CNC machining for low volume production or for prototyping their parts before getting the metal cast done for injection moulding.
That said, CNC machining isn't just a quicker manufacturing process. It also offers more flexibility of design, as can be seen in the RevoNext NEX202 beautiful steampunk-like design that includes an antique finish, hardware and an internal perforated metal grill that resembles a steampunk gear.
The nozzle bodies have a metal grill at the end, as well as an overlapped design with a slant so, they insert into the ear canal at a natural angle, making them more comfortable and secure to wear. They only weigh 20 grams too.
The 2-pin port connection on the RevoNext NEX202 means the cable can be removed from the body of the earphones, which is a neat feature because if the cable was ever to break you can easily replace it with another cable.
RevoNext doesn't seem to sell replacements for their 0.78mm 2 pin cables but they do sell a 2 pin bluetooth cable that will effectively turn the NEX202 into bluetooth earphones.
Moving on to the cable, the RevoNext NEX202 come with a 1.25 meter-long braided cable with an L-shaped plug and 3.5mm gold-plated connector. The cable has bendable hook ends so, you can only really wear them around the top of your ears. There is also a cinch for cable management.
The RevoNext NEX202 impedance rating is 18 ohms, which means these earphones require little power to deliver high fidelity; hence you can use them with any smartphone without worrying about weak amplification.
Saying this, it's useful that the ohm resistance isn't too low (i.e. 8 ohms) so, there is less chance of them blowing out when connected to audio equipment. With that said, 18 ohms is still relatively low so, if you plan to use the RevoNext NEX202 with a DJ mixer or audio mixer, make sure you don't turn the mixer headphone jack volume all the way up, or risk blowing them. If you like the design of these earphones, check out the QT3 and QT5 copper,

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