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1. #Frequency ear trainer drivers
2. #Frequency ear trainer driver
3. #Frequency ear trainer upgrade
4. #Frequency ear trainer series

I am satisfied with the way the stock small-bore tips created an acceptable level of isolation while giving the FH3 the optimal sound signature for my taste. While they give me a more detailed sound, they tend to close the sound stage in quite a bit. Personally, I don’t prefer foam tips, and in this case, I didn’t like them either with the FH3. The medium and large bore tips progressively increased the bass quantity of the FH3, while at the same time diminishing the bass detail and texture. They sounded optimal for my personal preferences. Of the various tips available I found myself going back to the stock ear tips that are attached to the FH3 out of the box. It is heartening that FiiO has retained the same design and fitting philosophy that was initially seen on the higher-end models, it keeps the hybrid line very consistent in their design approach. The stems of the IEM shells are not too short, so the fit is secure and relatively comfortable. This makes it much easier to identify the L/R channel orientation for cable connecting. It was also a nice touch that FiiO has added blue and red color markings on the shells as well as the IEM cable similar to the FH5 and FH7. The shells have gone through a 5-axis CNC milling process to give it an ergonomic shape, then finally finished with a zircon sand 260 sandblasting for a smooth finish. They are also corrosion-resistant and incredibly durable compared to acrylic materials. The FH3 shells are made of an aluminum-magnesium alloy but still retain a fairly lightweight feel. If you have seen the FH5 and FH7 then the FH3 follows a similar design pattern. The FH3 accessories are rounded-out with 4 different types of single bore silicone ear tips in small, medium, and large bore with some additional foam ear tips. You can use either the durable hard case or the softer pouch for transport depending on size constraints. The other half of the box contains a clear hard plastic case with a small pouch inside that contains a healthy selection of ear tips and a nozzle cleaning tool. Inside the box, you FiiO’s information leaflet at the top and then the IEM itself, nicely arranged in foam inserts to prevent movement during shipping. Overall, the box is durable offering enough protection for shipping.

The box itself is quite nicely made, with few markings aside from a picture of the IEM and FiiO’s company address. The FH3 came in a box that’s typical of FiiO’s current IEM line. I am looking to see if the FH3 is able to overcome these challenges. However, the challenge will always be the ability to create a coherent sound by properly integrating the drivers.

#Frequency ear trainer driver

With a 3-way configuration, the strength should be the ability to clearly present more detail at each frequency range, as each driver is optimally tuned to produce only a narrow band of frequencies. This should enable the FH3 to create a cleaner and more articulate treble. Interestingly, FiiO has decided to place the higher frequency BA driver closer to the ears, to reduce treble reflections through the sound tube.

#Frequency ear trainer drivers

The FH3 uses 2 balanced armature drivers for the mids and highs. This should then give the FH3 a smoother bass response that doesn’t interfere with the other frequencies. This technology filters out unwanted high-frequency harmonics that may be inadvertently produced by the dynamic driver. To supplement this driver, the FH3 also features FiiO’s patented S. Beryllium coated cones are chosen for its rigidity and lightness, (lighter than their previous PEK design), and should enable the driver to produce a powerful but controlled bass response. However, the dynamic driver in the FH3 is focused purely on the lows rather than the entire range.

#Frequency ear trainer upgrade

The lows are handled by a 10mm beryllium-coated dynamic driver, similar to what is being used in their FD1 and an upgrade on their original PEK 9.2mm F9 Pro dynamic driver. The FH3 uses a triple driver design with a 3-way configuration using a single DD for the lows, a single BA for the mids and a single BA for the highs.

#Frequency ear trainer series

Technology insideĪt first glance, the FH3 looks similar to the rest of FiiO’s FH series of hybrid IEMs, but the configuration is watered-down a little from the higher-end FH5 and FH7. I was surprised at the performance of the FD1 and given the FH3 is meant to be the successor to the F9 Pro IEM, which also had a similar driver configuration and price point so I am hoping for the same outcome. Recently, they released their flagship balanced armature IEM the FA9, then the overachieving entry-level IEM, FD1, and now they have come to us with their latest launch the FH3. It seems like FiiO has been churning out products almost every month, not that I’m complaining.