FiiTii – HiFiAir2 review

by Ben Kirby
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I never had the chance to review the FiiTii HiFiAir, but looking at the reviews at other outlets, I’m a little gutted, because they look to be a really decent set of earbuds.

Thankfully, though, I’ve got my hands on a pair of the HiFiAir2 and if those first ones were good, then crikey……Manufacturer MiFo has done something incredible because the HiFiAir2 is one of the best sets of earbuds I’ve had the pleasure to review.

Having been sent the multi-driver version, I can confirm that this is one stellar set. How? Why? Find out below!

HiFiAir2 - Front


The HiFiAir2 is a little gem, packed with features. The biggest of which, has to be lossless 24-bit output. Such high-level decoding was only a massive deal a few years ago and sold for a premium. Now, you can find it in a unit like this for a fraction of the cost.

Here are the key features:

  • Bluetooth 5.3: The latest iteration of Bluetooth 5. Faster, lower power and greater range between them and your devices.
  • Active Noise Cancellation: Not a new feature, but a core feature for all headphones these days.
  • Transparency mode: Perfect for those high-traffic areas, so you can hear the world around you if you need to.
  • ENC clear call: Using their Dual-Mic digital algorithm, it clearly picks up your voice and cancels out the ambient sounds around you.
  • 24-bit audio decoding: Updated to lossless output. Higher connection speeds mean higher data transfer, and therefore higher-quality audio capabilities!
  • IPX7 rating: Waterproof, sweatproof, dustproof and splashproof.
  • 25 hours of playback: Up to 5 hours every full charge with extra 20 hours waiting in the charging case (USB C cable not included)


Earbuds largely look the same these days. Small and discreet is the name of the game. With the HiFiAir2, that’s exactly what you’re getting. They’re not the same form factor as the MiFo set I previously reviewed, which was shaped for sports use.

These are all about quality audio, and being multi-driver, they’re a touch bulkier than other earbuds. That’s not to say that they look big or bulky. The difference is negligible, and the trade-off is totally worth it.

HiFiAir2 - Open


This is where the HiFiAir2 stands head and shoulders above the competition. I’ve genuinely never been so impressed with a pair of wireless earbuds. I’ve had some wonderful over-ear units with bigger drivers and room for the extra technology and I have to say that the HiFiAir2 is a total competitor against bigger devices.

The audio was crystal clear. Delivering bass and treble in such a rich way. Every detail in the mid-range can be heard in between all of the higher registers and those lower tones. Honestly, in some cases (and yeah, this sounds like hyperbole) it was like hearing songs “properly” for the first time.

Such a little unit packing such a big punch! The lossless audio truly shines through here, with some of those higher-bit songs really shining.

Build and Comfort

I might have said that they’re a touch bigger and that the best feature of the HiFiAir2 is the audio. But let me be clear. They’re comfy little buggers, too!

I’ve had them in for a few hours doing bits around the house, out on walks etc. They never started to ache or irritate. Pop them in and you’re golden. They fit nicely and stay put.

Built from the usual plastics, with rubber earbuds. They’re not cheap and nasty or anything. But the moulded plastic is pretty standard and obviously works towards the IPX rating to help keep them dry and sealed. Comfy, resilient and houses some great drivers. The HiFiAir2 does all it needs to deliver excellence at a really decent price point.

You can’t ask for more than that!

HiFiAir2 - Back


What a little package of excellence. Earbuds with the audio quality of the HiFiAir2 don’t come around often, particularly at this price point ($49.99 currently on their website). With crystal clear audio, you’re hearing everything that makes your favourite tracks work. Those basslines, that hi-hat thrown to the left side in the stereo mix. That hidden backing vocal adds texture you didn’t even realise was there.

The HiFiAir 2 is a really special unit and well worth grabbing. It’s a shame there’s no USB-C cable and it would be the icing on the cake to have the in-built announcer speak in English so I know what setting I’m on. But it’s not that hard to tell, and we all have cables to cobble dogs with these days, anyway, right?

For even more content like this, check out our Hardware Reviews.

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