Yinyoo Y1 / Kinboofi KBF Y1 – Review

Yinyoo Y1 - Kinboofi Y1

Yinyoo Y1 / Kinboofi KBF Y1

| Dynamic Driver |



🎧 We are reviewing the Yinyoo Y1 / Kinboofi KBF Y1, a small but solidly built earphone.

The Yinyoo Y1 / Kinboofi KBF Y1 features silver plated cables, stainless steel housings and a single dynamic driver configuration.

The Yinyoo Y1 / Kinboofi KBF Y1 has fixed cables and an inline remote/mic with 1 multifunction button. The remote follows the coloring of the earpieces and is built with 2 pieces, a main housing of metal and the button itself being plastic.

The earpieces have a rounded shape that narrows down on the back end and a form factor that resembles a turbine – this shape and design reminds us to models that we have reviewed such as the Tennmak Porcelain.

Despite the small size, the Yinyoo Y1 / Kinboofi KBF Y1 earpieces have a substantial weight and a hefty build that is somewhat similar to the SENFER DT6.

Regarding the in-depth technical specifications of the Kinboofi KBF Y1 / Yinyoo Y1, not much can be said as neither the manufacturer nor the packaging/spec sheet specifies the driver size, driver type, magnet type but, according to disassembly diagrams, this is clearly a single dynamic driver earphone.

You can buy the Yinyoo Y1 / Kinboofi KBF Y1 in:

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Yinyoo Y1 / Kinboofi KBF Y1 Review

Tests & Scores


W

Weight

Yinyoo Y1 / Kinboofi KBF Y1 weight in Ounces and Yinyoo Y1 / Kinboofi KBF Y1 weight in grams.

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A

Accessories & Packaging

The Yinyoo Y1 / Kinboofi KBF Y1 unboxing results in 4 pair of eartips and a semi-hard case – the accessories and packaging provided are the same of the Yinyoo EP1, except for the lack of a detachable cable.

gramophone-256608/10


B

Bass & Sub Bass

The Yinyoo Y1 / Kinboofi KBF Y1 has punchy mid-bass and good enough sub-bass depth. Similar to the other earphnoes tested, their lower frequencies are more inclined to the mid-bass range than to the sub-bass region.

Nonetheless, the Yinyoo Y1 / Kinboofi KBF Y1 is still an earphone with fairly energetic sound to fulfill many less bass-hungry, modern genre’s requirements.

Do not expect a shy nor conservative bass out of the Yinyoo Y1 / Kinboofi KBF Y1 but neither a crazy deep one.

Applying an EQ, there is some increment over mid-bass punch and sub-bass depth but will conserve it’s overall lower frequencies style.

The Kinboofi KBF Y1 handled up to 32% of a FiiO E12 (FiiO A5) maximum power (high gain, bass boost and custom basshead EQ). The results showed an unexpectedly profound sub-bass and super punchy response but no rumble nor impact was reached and cannot compete in this area against the Pioneer SE-CX8, Pioneer SE-CX9, Sony MDR-EX800st, Sony MDR7550 nor with the Plextone X41M, KZ ZST, nor Elecom EHP-CA3580.

gramophone-256607.5/10

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Yinyoo Y1 - Kinboofi Y1
Yinyoo Y1 – Kinboofi Y1

M

Mids & Vocals

The Yinyoo Y1 / Kinboofi KBF Y1 mids have a very crisp and fairly clear sound.

Male vocals and lower mids are energetic and do not exhibit an excess of mid-bass bleed.

Higher mids and female vocals are very clear and alive with a tuning that can easily become forward.

As expected by an earphone with this tuning, harshness on their upper midrange will show up with peaks.

People enjoying a more spicy, clear and aggressive midrange could like the Yinyoo Y1 / Kinboofi KBF Y1.

With an EQ (requiring some advanced customization), their mids can become incredibly crystal clear while not empowering their harshy peaks.

gramophone-256607.5/10


H

Highs & Treble

The Yinyoo Y1 / Kinboofi KBF Y1 highs are very bright and detailed with a style of highs that is more typically found on hybrid earphones that hold, at least, one balanced armature (but this is a single dynamic driver earphone)

Similar to their midrange, the Yinyoo Y1 / Kinboofi KBF Y1 show a sparkling sound that will be well-adapted for listeners enjoying very emphasized/forward mids and highs.

This intense highs tuning will present frequent fatiguing peaks that include piercing and sibilant spikes – treble sensitive listeners might want to look elsewhere (like our Least Fatiguing Headphones Chart)

A custom EQ can reveal an insane additional amount of detail and even tame down a bit their fatiguing peaks with a radical makeover of their highs – still they will always be a fatiguing sounding earphone.

gramophone-256607.5/10

Yinyoo Y1 - Kinboofi Y1
Yinyoo Y1 – Kinboofi Y1

SL

Sound Leak

The sound leaking out of the Kinboofi KBF Y1 is inline with normal earphone with a leaking sound that will be heard by nearby people in quiet situations but will not disturb on normally busy cities.

gramophone-256607.25/10

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SI

Sound Isolation

The sound isolation provided by the Yinyoo Y1 / Kinboofi KBF Y1 is stronger than average earphones and will be able to provide a near absolute isolation if the user is willing to significantly crank up the volume.

gramophone-256607.75/10

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C

Comfort

Despite the very small size, we noticed that the rear end of the housings tended to rest over the back edge of the ears causing some fatigue after long listening sessions.

We would not rate this a terrible issue but something to be considered by people with smaller than average ears.

gramophone-256607.75/10

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Yinyoo Y1 - Kinboofi Y1
Yinyoo Y1 – Kinboofi Y1

EQ

Response to Equalization

The Kinboofi KBF Y1 / Yinyoo Y1 showed a huge clearing up of their mids and a superb optimization of their highs and also fair increase of their bass intensity.

gramophone-256608.5/10

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Scores Scores

Yinyoo Y1 / Kinboofi KBF Y1 Scores

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Frequency Response (raw)

Yinyoo Y1 / Kinboofi KBF Y1 Frequency Response Curve

Yinyoo Y1 frequency response curve
Yinyoo Y1 frequency response curve

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Yinyoo Y1 / Kinboofi KBF Y1 Technical Specifications

Specifications

Type Dynamic
Driver Unit Unknown
Sensitivity 96dB/mW
Power Capacity Unknown
Impedance 16 ohms
Frequency Response 20-20,000Hz
Diaphragm Unknown
Magnet Unknown
Cord Y-type, round cord
Cord Length 1.2m
Plug Stereo mini plug
Weight N/A
Supplied Accessories 4x Earphone tips, case

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Photos

Yinyoo Y1 / Kinboofi KBF Y1 Photos

DISCLAIMER
We highly discourage anyone from trying to apply our testings to your own earphones, the risk of damaging or permanently breaking your iems is absolutely probable to happen. With our standardized equalization and amplification tests we push the limits of the earphones to the extreme. If anyway you decide to do so, we cannot be held responsible of the damage done to your equipment. Do it at your own risk.

Yinyoo Y1

7.7

SCORE

7.7/10


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