KZ T1 TWS
| True Wireless | Touch Controls | 1x Balanced Armature | 1x Dynamic Driver |
? KZ T1 TWS, the first ever true wireless earphone from KZ.
The KZ T1 TWS features Bluetooth 5.0, hybrid drivers and touch controls.
Before the just released KZ ZSX (6-driver hybrid earphone), the KZ T1 was the newest earphone from the brand.
The housings of the KZ T1 TWS are made of plastic (quality level inline with many other of KZ earphones made of plastic), which makes them fairly light weighted, yet without feeling flimsy. In addition to the main build, the nozzles are golden colored and made of metal.
Inside each earpiece, the KZ T1 TWS holds a dual hybrid driver configuration with one dynamic driver and a balanced armature driver. If you are techy audio enthusiast or obsessed about drivers, you will not have your OCD needs fulfilled by KZ’s specs information released as the they do not specify which balanced armature driver model is being used by the KZ T1 TWS.
The case of the KZ T1 TWS has a circular shape and is made of metal with a top opening “door” that ensures that you do not loose the earpieces while carrying around the whole unit.
The device is equipped with a 3.7V 50mAh battery inside each earpiece and a large 900mAh battery in the case.
The brand has opted for a simpler color design than all their latest models, with an all-black, non-translucent finish and the brand’s logo on the back section.
The KZ T1 TWS is an earphone released as a “beta” product by the brand that was immediately discontinued and taken off the “shelves” of all trusty resellers.
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KZ T1 TWS Review
Tests & Scores
Some of the advanced features of the KZ T1 TWS include:
- Touch sensitive controls
- SBC and AAC codecs
- Modern Bluetooth v5.0
- Auto power on
- Auto pairing
Operation & Control
The back section of each earpiece on the KZ T1 TWS is touch sensitive, allowing full control of the unit and most listening commands, such as:
- 3 second press and hold: Manual power on
- A single press: Play, Pause music
- 6 second press and hold while turned ON: Manual power off
- Turned ON and while in standby with no music or call: 2 second press and hold activates Siri or voice commands.
Left earpiece button:
- 3 tap: Volume up by 1 level
- 2 tap: Skip to next song
Right earpiece button:
- 3 tap: Volume down by 1 level
- 2 tap: Previous song
- A single press: Answer/end call
LED Status Light: The case of the KZ T1 TWS has 5 light indicators to have a quick overview of the status of the device. Four lights are placed on the top of the case, dedicated to inform the charging status of the case in 25% steps. The 5th light is placed on the edge of the case, right next to the micro USB connector to confirm the USB input connection.
In addition to the case lights, the KZ T1 TWS has a single light indicator placed on each earpiece’s rear plate.
Charging: The case of the T1 gets charged by plugging it to a wall charger through the micro USB connector – the brand explicitly recommends not using chargers that provide more than 1.5A.
The earpieces are charged by placing them in the dedicated slot on the charging case/battery pack; this allows them to be charged either while plugging the case to a wall charger and/or on-the-go with the internal battery hold inside the case itself.
A full charge should provide 3 hours of music playback, while the case can add up 7 to 8 extra full charges on-the-go.
To fully charge the earpieces it is needed 1.5 hours while the complete charge the case takes up to 4 hours.
KZ T1 TWS weight in Ounces and KZ T1 TWS weight in grams.
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Accessories & Packaging
The KZ T1 TWS unboxing results in 3 pair of eartips, a micro USB charging cable and the case/battery pack.
The unit comes inside a small rectangular box with a mainly black design.
Bass & Sub Bass
The KZ T1 TWS has a particularly deep sub-bass with very punchy mid-bass too.
Expect a deeper sub-bass than most true wireless earphones and even than many wired earphones too.
As with most bass-intense earphones, they can risk to become loose and out of control at times, which might interfere with the rest of the sound signature. Yet, in general and on most tracks, their lower frequencies achieve an intense but non-excessively boomy response.
As a point of reference, their lower end response is more or less inline with many KZ wired earphones.
Applying an EQ, their sub and mid-bass can be pushed to an even more powerful response but expect a bass-only sound.
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Mids & Vocals
The KZ T1 exhibit very warm mids with their potent bass still being felt over their lower midrange and male vocals.
Nonetheless, male vocals do not tend to sound distant but neither too aggressive. Lower mids are able to remain warm but sufficiently clear despite the, aforementioned, bleeding of their upper bass – their congestion will vary according to the amount of bass on each track.
On the other hand, higher mids are much more emphasized than their low mids, presenting a crisp sound and tending to show harsh peaks – female vocals might present shouty peaks.
A tip: keeping volume settings below moderate-high will make them show milder harshness.
With an EQ, lower mids can be cleaner up a bit while their harsh peaks will not be easy to sedate.
Highs & Treble
Highs of the KZ T1 TWS tend to resolve a good amount of detail but some dips in their response can add a “stacked up” sound personality on some tracks.
Despite this, the T1 remain acceptably fatiguing with some sibilance and piercing peaks that might not be as frequent nor as intense as other forward sounding earphones.
Using an EQ, a remarkable improvement of detail can be obtained, as well as a generally brighter and more open sound – do expect more intense and frequent fatiguing peaks.
Important NOTE on the KZ T1 TWS: A couple of days after finishing our soundtests, the left earpiece of the KZ T1 did not output any sound despite turning on. Earpieces turned on and paired correctly (confirmed by the light status) but no matter what we tried the left earpiece did never output sound – this could be an isolated problem with our unit but could also be part of the reasons why this was launched as a “beta” product and immediately discontinued.
Still, our unit was repaired by our technicians..
The sound leaking out of the KZ T1 TWS is extremely silent with nearly no leakage at any volume setting and becoming just barely noticeable when cranking up the volume to the maximum.
This leakage characteristic makes it a very good companion to users which might want them to be used in libraries.
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The sound isolation of the KZ T1 TWS is somewhat stronger than many average earphones. Nonetheless, absolute isolation should not be expected with this earphone unless you start to dial the volume setting above moderate-high.
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The KZ T1 TWS has inherited a housing’s form factor somewhat similar to many classic and modern wired KZ earphones, which makes them a very comfortable earphone to wear.
Some of the models from KZ that have this similar kind of earpiece’s shape are the:
In addition to the fairly small size and rounded edges, the KZ T1 TWS is a very light weighted earphone with only 5 grams per earpiece.
In spite of this, the KZ T1 TWS is still a substantially “fatter” earphone than all the above mentioned.
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Response to Equalization
The response to EQ of the T1 showed efficient results boosting bass but EQs aimed for mids or highs exhibited intenser fatiguing and harsh peaks.
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KZ T1 TWS Frequency Response Curve
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KZ T1 TWS Technical Specifications
|Driver Unit||BA + DD|
|Battery||50mAh + 900 mAh|
|Battery life||3 hours x 8 extra OTG cycles (24 hours)|
|Codecs||SBC / AAC|
|Supplied Accessories||3x Earphone tips; case/battery pack|
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KZ T1 TWS Scores
- Accessories - 8/108/10
- Design - 8/108/10
- Bass - 8.5/108.5/10
- Mids - 8/108/10
- Highs - 7.75/107.8/10
- Sound Leak - 8.75/108.8/10
- Sound Isolation - 7.75/107.8/10
- Comfort - 8.5/108.5/10
- Response to EQ - 7.75/107.8/10
- Value for Money - 8.5/108.5/10
✅ Very deep sub-bass for a true wireless
✅ Touch sensitive control
✅ Metal, rugged case/battery pack
✅ Extremely low leakage
✅ Bluetooth 5.0
✅ SBC and AAC codecs
✅ Great case aesthetics
✅ Volume control
✅ Light weighted earpieces
❌ Micro USB cable connection
❌ Beta product already discontinued – higher risk of having QC issues
❌ Plastic build of earpiece and simple black color is not as premium as the superb case/battery pack
Being the KZ T1, their first "test" product to enter the true wireless market, some rough edges were exhibited but it also presented many worthy features and promising performance that could be seen re-polished on future models from KZ.
The KZ T1 will be an excellent true wireless earphone for listeners who enjoy the sound signature of many modern KZ wired earphones - giving KZ fans a TWS option with a sound tuning logical with the brand's style.
Buyers should be aware that as this was a "beta" product that was immediately discontinued and removed from "shelves" there could be some issues, such as what we experienced briefly after finished the soundtests - yet our team was able to repair the unit and there are also many happy owner to date that did not had any issues so far.
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