TFZ started out in 2015 with a debut line up that consists of TFZ Series 1,3 and 5. Since then, they have come up with more products in the Exclusive 1,3,5, King and Series 4. Recently, they have come up with their latest products in the King Pro and Tequila 1. In this review, I will be reviewing the TFZ Tequila 1. I would like to thank Penon Audio and TFZ for this review unit. You can purchase the Tequila 1 from The TFZ Tequila 1 that I will be reviewing is red and blue in colour.



  • Driver: 8.9mm Dual-magnetic two-way graphene driver
  • Frequency response range: 5HZ ~ 40000HZ
  • Harmonic distortion: 0.5%
  • Impedance: 20 ohms
  • Sensitivity: 105 dB

Unboxing & Accessories

The Tequila 1 comes in a white package with a white protective sleeve that sports the brand name and model name. You can see the iem through the transparent film. Inside the package, there are the Tequila 1 iem, detachable 0.78mm 2 pins cable, instruction manual and a white hard carrying case which contains the tips.


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IEM Build & Design

The Tequila 1 is made of CNC metal aluminium and there is a smooth surface. On the inside of the iem, there are L & R markings on the left and right side respectively with the model name. In addition, there is a vent below the model name. The faceplate are blue and red on the left and right side respectively. There is an unique fan design. The nozzle is slightly angled with 3 bores. The Tequila 1 utilizes 0.78mm 2 pins connectors. The Tequila 1 has an ergonomic design and I am able to fit it in my ears comfortably. There is a good construction.



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Cable Build & Design

The cable is 4 core braided and made of 5N OFC. On each of the 2 pin connectors, there is a L & R marking on the outside of the left and right respectively. The connectors have a translucent housing. There is a memory wire area and the cable is enclosed in a transparent heat-shrink tube which is very flexible. The chin slider is silver in color and it is circular in shape. Moving on to the y-splitter, it is silver in color too. Lastly, the jack is 3.5mm gold plated with strain relief and has a silver housing. On the housing of the jack, there is the model name printed. Overall, the cable is flexible with little microphonics.


Sound Analysis


The Tequila 1 has moderate sub-bass quantity and it is extended well. The sub-bass reproduction operates in a smooth approach without sounding aggressive. There is a good control as each bass note is articulated with accuracy. The bass decay is quick and helps to enhance the overall speed. Bass texture is generally smooth and the rendering provides a relaxing listen. The rumble is very natural. The mid-bass does not have a lot of quantity and the slam is laid-back instead of hard-hitting. There is good mastery and the control helps to present the bass well.


The midrange is slightly recessed and portrays itself in a smooth manner. It has moderate amount of body which helps to prevent the midrange from sounding hollow. There is a nice tinge of warmth. The lower mids has sufficient quantity to express male vocals and sound neither thick nor lush. The upper mids has a slight forwardness with good control but there is a slight lack of crisp. Female vocals are presented well with energy and do not come across as shouty. The midrange is executed well.


The treble on the Tequila 1 extends to a great extent and it displays a good amount of air to lighten the overall presentation. There is no sibilance and harshness. The Tequila 1 expresses the treble with definition and there is good crisp and little sparkle. The treble articulation is quite precise with control. It is not very bright but there is still excitement shown. The details retrieval is good.


The soundstage has a moderate naturalness and the width is expanded rather well. The depth is good and it renders a good amount of space. There is an open feel to the overall sound and it helps to minimize congestion.



TFZ Tequila 1 vs TFZ King Pro

The King Pro has more sub-bass quantity than the Tequila 1 with better extension. The sub-bass reproduction on the King Pro is more full-bodied and helps to give a satisfying feel. Each bass note on both is articulated well. The bass decay on the Tequila 1 is quicker and the bass texture on the King Pro is rendered better. The rumble on the Tequila 1 is natural and helps to create a nice impact. The mid-bass the King Pro has more body and the weighted slam exerts itself with extra strength. The lower mids on the King Pro has slightly more quantity and male vocals are expressed well on both without any hollow or dry feeling. The upper mids on the Tequila has extra forwardness for more intimacy than the King Pro while King Pro excels with more body which results in a fuller performance. The crisp is apparent on the Tequila but the King Pro presents it in a smooth manner. For the treble, the King Pro has a smooth and enjoyable presentation while the Tequila 1 is slightly brighter. The amount of air rendered on the Tequila is more. Lastly, the King Pro has a more natural expansion while the Tequila excels with the width magnitude. The King Pro has a closed in depth.

TFZ Tequila 1 vs Magaosi K3 HD

The Tequila 1 has more sub-bass quantity than the K3 HD and commands a better extension. The Tequila 1 is able to produce a greater impact and the punch is able to boost the engagement level. The bass decay on both has similar pace. The bass texture on the Tequila 1 is rendered with more smoothness. The bass note on the Tequila 1 has better articulation and there is a clean hit. Rumble is more natural on the Tequila 1. The mid-bass has slightly more quantity than the K3 HD but the K3 HD delivers it slam with extra precision. The lower mids on the Tequila 1 sounds fuller than the K3 HD which benefts in the expression of male vocals. The upper mids on the K3 HD is more forward than the Tequila 1 but Tequila 1 excels in the control which helps in preventing female vocals from being shouty. The treble on the K3 HD extends better and operates with a brighter approach. Both shows a good amount of air but the Tequila 1 has the edge for mastery. Crisp on the K3 HD is more apparent. Lastly, Tequila 1 expands more naturally. It is able to tackle both the width and depth well.

TFZ Tequila 1 vs Oriveti Basic

The Basic has more sub-bass quantity than the Tequila 1 while the Tequila 1 extends greater with more depth. The sub-bass reproduction on the Tequila 1 is more engaging than the Basic. The bass decay on the Tequila 1 is quicker with agility which helps to elevate the overall speed. The bass texture on the Basic is rendered with more smoothness. The mid-bass on the Basic has extra quantity which presents the slam in a weighted manner but it lacks the pace of the Tequila 1. The midrange of the Tequila 1 has a higher standard of details retrieval with better transparency. The lower mids of the Basic has more quantity than the Tequila 1 which results in male vocals sounding denser. The upper mids of the Tequila 1 has a great forwardness which helps to express female vocals with more intimacy. There is extra crisp and definition for the Tequila 1. Next, the treble of the Tequila 1 extends greater with more magnitude. There is more air rendered on the Tequila 1. Lastly, in terms of soundstage, Tequila 1 expands naturally with more width magnitude and the amount of space rendered does not cause the depth to be too closed in.


The Tequila is a slight v-shaped sounding iem that has an engaging and smooth bass reproduction yet still retains crisp highs. The midrange is slightly recessed with good details retrieval. There is a lively presentation with an open feeling. In addition, it comes with a quality detachable copper cable and the shells are constructed well with CNC metal alumiunium. The TFZ Tequila 1 is an unique looking iem that exhibits nice musicality.