Hypersense is a Chinese brand that produces in-ear monitors (IEMs). I would like to thank Hypersense and Penon Audio for the review unit of Hypersense HEX02. You can purchase the HEX02 from .



  • Impedance: 16Ω
  • Driver diameter: 9mm
  • Diaphragm Material: PET / Ti composite material
  • Rated Power: 10mW
  • Sensitivity: ≥95dB (@ 1kHz)
  • Frequency Response: 20 ~ 40kHZ

Unboxing & Accessories

The HEX02 comes in a black package that sports the brand name and model name at the front. There are specifications printed at the back of the package. Inside the package, there is a small black package that contains a soft pouch and ear guides. At the bottom of the package, there are the iem and tips.


IEM Build & Design

The HEX02 has a silver shell with a black faceplate that sports the logo in black and white. There are blue rings on the faceplate. The nozzle is straight with mesh. There is strain relief between the cable and shell of the iem. There are left and right markings on the left and right side respectively. There is a vent at the bottom of the iem.



Cable Build & Design

The cable is not braided and is black in color. It has a microphone. There is no chin slider. The y-splitter has a silver housing with strain relief. The jack is 3.5mm gold plated straight with a silver housing that has 2 black stripes. There is strain relief.


Sound Analysis


The HEX02 has moderate sub-bass extension with a quick rumble. The quantity is moderate and the sub-bass reproduction is able to bring out impact. There is a concise punch but it is not the most authoritative. The bass note is presented with decent articulation. The bass decay is quick and the bass texture is decently smooth. The mid-bass has moderate quantity with a decent slam.


The midrange is slightly recessed with a moderate level of details retrieval. The lower mids has a fair amount and male vocals are expressed well. There is a slightly dry feeling. The upper mids has little forwardness. Female vocals are expressed moderately but not in an organic manner. The midrange definition is moderate.


The treble is extended moderately and there is no sibilance and harshness. The amount of air rendered is decent with a lack of sparkle. The control is moderate. The level of details rerieval is moderate. It has a clean presentation. It is decently smooth.


The HEX02 has a decent soundstage. The width does not have a great magnitude and the depth is slightly closed in with a decent amount of space. Positioning of vocals and instruments is decent. Layering and separation are at an average level.


Hypersense HEX02 vs PMH2

The PMH2 has more sub-bass quantity than the HEX02 but its extension is less. The HEX02’s sub-bass reproduction has a higher engagement level. The bass decay on the HEX02 packs greater speed and it enhances the bass nature. Bass texture on the PMH2 is rendered with more smoothness. The midrange on the HEX02 has better transparency and it is being portrayed cleaner. The PMH2 has thicker lower mids and it benefits male vocals. The upper mids on the HEX02 has extra forwardness which helps to present female vocals in an intimate manner. The HEX02 displays better clarity and crisp. In terms of treble, the HEX02 is more extended and there is a higher level of details retrieval. The amount of air rendered on the HEX02 is more than the PMH2. There is no sibilance and harshness. Lastly, for the soundstage, the PMH2 has a more natural expansion while the HEX02 has greater depth and width.



The HEX02 is a warm sounding iem with good bass response. It is able to produce a clean sound with reasonable excitement. It has an unique design and comes with a microphone. The Hypersense HEX02 is an affordable iem and offers a moderately detailed sound at its price point.