
However, it’s still underwhelming for a $249 monitor, which 7Hz makes up for it with the abundance of accessories included.Įternal comes with a similar heavy durable metal case in bronze color, complementing the colors of the shell. The only difference between the two is the color of the inserts with the Eternal being extra colorful with red and light blue accents. The unboxing experience is completely identical to the 7Hz Timeless. The cable is also designed well to reduce tangling when kept and used. Putting it in and out of the case as easily as the case provided enough room. The connector side of the cable also has a memory wire with good retention, which allows it to sit comfortably at the back of the ears. Moving around with them was a seamless experience.
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Visually, the cables complemented the IEMs well as they are the same shade of brown as the driver shells. This Eternal can also be bought with different jack terminations including a SE 2.5mm TRS, balanced 2.5mm TRRS, and 4.4mm Pentaconn plugs. It does have some difficulty and resistance to removal. The termination on the IEM side is an MMCX Connection. The outer layer of the cable is coaxially shielded, to create a natural sound reproduction and transparency. The Eternal’s stock cable is made of an OCC wire consisting of a single crystal copper with single-crystal silver. The translucent blue tips elevate the bass with a deeper rumble while the white tips have less bass and better highs. The stock tips, the one installed when you get the monitor, give a more mid-centric tuning, with less bass, fuller mids, and fewer highs. Surprisingly, tip rolling does make a noticeable difference on these pairs. There are 3 pairs of different colored tips in 3 different sizes (S, M, L) and 1 pair of dome-shaped white silicon tips. The packaging comes with a rather generous number of tips. Outside and low noise are blocked while listening to comfortable levels. Isolation is nothing exceptional but does a fairly well job. Thanks to its lightweight design, wearing the Eternal feels seamless even when moving around. It has the right amount of insertion to create a good seal. The monitors are incredibly light with each earbud weighing only 6 grams.


Inside the crystal, a circular pattern can be seen, similar to what you might see inside the crystal of a camera lens. It is the same with the 7Hz Timeless, a circle flat faceplate. The choice of a bronze-brown outer shell is one of its kind, leaning more on a modern classic design. The mix of CNC aluminum and sapphire crystal elevated the overall look of the monitor. When I saw it in person, it looks exactly, if not better, like the ones I saw online. Despite being made of glass, rest assured that the sapphire coating is tempered to withstand wear and tear, even with accidental falls. The cavity is made up of CNC aluminum, along with a unique sapphire optical glass faceplate, which is commonly seen in high-end wristwatches. It also has a unique cavity structure, similar to the 7Hz Timeless.

The Liquid Crystal Polymer or LCP diaphragm is specifically designed to achieve an ultra-broadband response and dynamic range. Tech HighlightsħHz Eternal is a universal IEM equipped with a 14.5mm LCP Dynamic Driver with a complementary N52 magnet. Priced at $249.00, it competes just a little above the budget level where the competition starts to thin out but the expectations are that much higher. Indeed, it is from the same brand that brought us the famous and hyped 7Hz Timeless IEM, Headfonics’ 2021’s Bang for Buck Universal IEM.ĭespite its recent success with the 7Hz Timeless planar drivers, the 7Hz Eternal goes back to its roots using a similar faceplate shape replaced with dynamic driver internals. Some might also see it with a degree of familiarity on the outside. The 7Hz Eternal is, in essence, an IEM to recognize or celebrate the company’s 10-year anniversary of operation.
