Introduction

Ambient Acoustics is a company based in Ukraine and they specialize in in-ear monitors which can be available in either universal or custom form. I would like to thank Ambient Acoustics for the review unit of the AM7 LAM-U. At the moment, you can purchase the AM7 LAM-U on their official website, https://ambient-acoustics.ua/eng/naushniki-dlya-audiofilov/ambient-acoustics/am7-lam-u.html .

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Specifications

  • Driver Configuration: 7 Balanced Armature (5 way passive crossover)
  • Frequency Response: 10Hz – 22kHz

  • Sensitivity (50Hz): 110dB/mVt,116dB/mVt,120dB/mVt и 124dB/mVt

  • Impedance (50Hz): 12 Ohm

Unboxing & Accessories

The AM7 LAM-U comes in a black Pelican 1010 micro case with a black protective cover that sports the brand logo. Inside the Pelican case, there are dehumidifier capsule, IEM wax tool, box of ear tips, instruction manual, warranty card, AM7 LAM-U, detachable cable and cable wrap.

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IEM Build & Design

The AM7 LAM-U shell is made up of acrylic and it has a smooth black surface. On each faceplate, there are the model logo in silver color and 3 switches. At back of the iem, there is a color marking beside each switch – yellow, red and blue from top to bottom. On the inside of the iem, there is L & R marking on the left and right respectively. In addition, the model name and serial number are below the marking. The nozzle is slightly angled with 3 bores. The AM7 LAM-U is constructed well and there is a comfortable fit.

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Cable Build & Design

The cable is a detachable 4 core silver cable with screwthread connectors. On the connectors, there are blue and red dot on the left and right side respectively so users can differentiate. The connectors have a black housing. The cable has a memory wire section that is enclosed in a transparent heat shrink tube. It is not very flexible due to the metal inside that helps to form the shape. The chin slider and y-splitter are black in color and they form the shape of the brand logo. The jack is 3.5mm rhodium plated straight with a silver housing that sports a blue carbon fibre design. There is strain relief.

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Sound Analysis

Lows

The AM7 LAM-U has the ability to extend its sub-bass well with a great depth. There is body which improves the rumble and it is expressed in a natural manner. The bass texture is generally smooth and coupled with the moderately quick decay, it is able to strike a good balance. There is good dynamics with a consistent punch. Bass impact contributes to the engagement level and holds a high standard in terms of definition. The mid-bass has moderate quantity and the slam is not hard-hitting. It is being presented in a precise manner. The control AM7 LAM-U has on its bass reproduction creates a tight presentation which brings across a surge of authority without sounding aggressive. Moreover, the slight tinge of warmth enhances it. Each bass note is articulated with a good accuracy. The bass is captivating to listen to.

Mids

The AM7 LAM-U has a transparent midrange and it is presented in a clean manner. The lower mids has a moderate amount of body and male vocals do not sound thick. There is sufficient quantity to avoid any signs of hollowness. The upper mids is slightly boosted and the forwardness contributes to an engaging female vocals performance. It commands a high level of details retrieval and the definition is good. There is an organic presentation. The midrange is rendered in a moderately smooth manner. At times, there are signs of aggression but vocals are not shouty due to a tight control. Clarity is expressed well and it is a detailed listen.

Treble

The treble is extended greatly and there is a good bite which helps to inject some excitement into the overall sound. There is no sibilance and harshness. It operates on a bright approach with good crisp and the sparkle has an appropriate amount to accentuate the performance. In addition, the treble has good cleanliness but slight lacking for the body. The amount of air rendered is effective which helps to lighten the sound. It is able to give an airy feel which contributes to the portrayal of vocals. The treble definition is excellent and coupled with its precise articulation, the presentation is quite complete.

Soundstage

The expansion on the AM7 LAM-U has a moderate naturalness and the width magnitude is great. The depth is being expressed in such a way that it is not too closed in. There is a good amount of space. Congestion is minimal when tackling busier tracks. Positioning of vocals and instruments has a good precision.

Switches

By adjusting the switches, there are 8 different sound signatures in total.

  1. Flat (Stock)
  2. Balanced
  3. Warm + Sweet
  4. Bass
  5. Analytical
  6. Rock
  7. Dance
  8. Bass + Dance

More information can be found on https://ambient-acoustics.ua/eng/naushniki-dlya-audiofilov/ambient-acoustics/am7-lam-u.html .

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Comparisons

Ambient Acoustics AM7 LAM-U vs Aroma Musical Box Twins

The AM7 LAM-U has similar sub-bass quantity as the Twins while the Twins is able to extend greater. There is additional warmth on the AM7 LAM-U. Each bass note on the Twins is articulated with extra precision. Bass texture on the AM7 LAM-U is smoother while the Twins excels in its bass decay which helps to create an agile presentation. The mid-bass on the the Twins has a little more quantity and it is capable of delivering a weighted slam. The midrange on both is presented in a clean manner with great transparency. The lower mids on the AM7 LAM-U is able to tackle male vocals effectively with its additional body. The upper mids on the Twins is more forward and there is extra crisp. It has the ability to create an intimate female vocals performance. There is liveliness present. For the treble section, the Twins extends better and commands a higher level of details retrieval. Both shows good crisp but there is an additional sparkle on the Twins. Treble articulation on the Twins is slightly more accurate. There is no sibilance and harshness. In terms of soundstage, the Twins expands in a more natural manner while the width magnitude on both is pretty similar. The depth on the Twins is slightly more closed in.

Ambient Acoustics AM7 LAM-U vs Campfire Audio Andromeda

The AM7 LAM-U has more sub-bass quantity than the Andromeda whilst the Andromeda takes on a greater extension. The extension is deeper and it operates in a more authoritative approach while there is extra punch. This helps to improve the overall dynamics. Moreover, bass texture on the AM7 LAM-U is rendered  with additional smoothness and helps to create a soothing performance. The bass decay on the Andromeda is significantly greater and helps to enhance the speed. The Andromeda has an edge in the pace with a quicker rumble. The mid-bass on the Andromeda has more quantity with greater slam impact. The midrange on the AM7 LAM-U is rendered with good cleanliness. The lower mids on the AM7 LAM-U has more body and it is much thicker than the Andromeda. Male vocals benefit from it. The upper mids on the Andromeda is more forward and the crisp helps to accentuate the female vocals performance. There is a good engagement from the Andromeda with liveliness involved. Moving on to the treble, AM7 LAM-U has more extension while both iems show no signs of sibilance and harshness. There is a good amount of details presented. The air on the Andromeda has more quantity and the airiness provides more space. Treble articulation on the AM7 LAM-U is more accurate. The clarity and definition for both iems have a similar standard. The AM7 LAM-U has additional sparkle. Lastly, in terms of soundstage, the AM7 LAM-U has a more natural expansion with a greater magnitude. The depth on the AM7 LAM-U has slightly more space than the Andromeda.

Ambient Acoustics AM7 LAM-U vs UM Miracle V2

The AM7 LAM-U has more sub-bass quantity than the Miracle V2 and the extension on both is pretty similar. The sub-bass reproduction from the AM7 LAM-U is fuller and there is greater punch. The extra kick helps to create an impactful performance. The mid-bass on the Miracle V2 has slightly more quantity and the slam is less aggressive as AM7 LAM-U. Bass decay on the AM7 LAM-U is more pacey and the agility helps to elevate the overall engagement. Bass texture on the Miracle V2 is smoother. Each bass note on the AM7 LAM-U is articulated with extra precision. Rumble on the AM7 LAM-U is quicker. There is more warmth present on the Miracle V2. The lower mids of the AM7 LAM-U has more body than the Miracle V2 and it sounds fuller. Male vocals are better expressed on the AM7 LAM-U. The upper mids on the AM7 LAM-U is more forward and female vocals sound engaging. The midrange has a smoother presentation on the Miracle V2. Details retrieval on the AM7 LAM-U is similar. Moving on to the treble section, AM7 LAM-U has the edge for the crisp and sparkle. Treble on both is detailed. The amount of air rendered on the AM7 LAM-U is greater. Lastly, both expands naturally while the width on the AM7 LAM-U has greater magnitude. The Miracle V2 has a more closed in depth.

Conclusion

The AM7 LAM-U is a versatile detailed sounding iem that boasts tight bass reproduction, transparent midrange and well-extended treble. There is a high level of details retrieval and the execution is well done. In addition, there are 3 switches to change the sound signature. The Ambient Acoustics AM7 LAM-U is the flagship iem in the universal series and it delivers in a spectacular way.

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