7 Hz

7Hz was founded in 2018 as a team of engineers and audio enthusiasts who came together to test their skills in the realm of audio. By focusing on quality drivers and using precise circuitry design, 7Hz aims to deliver the most efficient setups that best shine the drivers’ natural abilities. 7Hz stands for the Theta Wave, a frequency that is often associated with meditation and harmony. All of 7Hz products reflect this ideal by taking you into a pure musical trance. 

Beryllium Dynamic Diaphragm

The 7Hz i99 combines the best of the modern dynamic driver technologies - the fast diaphragm response of beryllium and the crystal clear smooth sound of diamond-like carbon. Unlike most common Be diaphragms which are commonly spray coated, the i99 has electroplated Be unto the DLC driver, leading to a more effective display of beryllium’s true characteristics, and ultimately translating to a longer-lasting and purer sound. This innovative technique leads to a much faster diaphragm that better articulates details, and leads to a more powerful and impactful bass. The driver design further extends the dynamic range, causing the sound to be fuller and more comprehensive at every frequency. 

Be Driver, Diamond Housing

The 7Hz i99 housing reflects the beauty and elegance of diamond. Made of a single piece of meticulously carved stainless steel, the i99 is designed to be both durable, as well as increase the sonic focus of the sound by eliminating unwanted resonance. The i99 has been hand polished to shine brilliantly at every angle and is unlike any other earphone in the world. It simply is a stunning piece of jewelry that also sounds like sparkling crystals. 

An Accessory Kit Fit for a King

The 7Hz i99 comes with a hand-stitched leather case. With 9 different types of premium eartips, you can find the fit that is most comfortable and best sounding for you. The MMCX silver-plated OFC copper cable was made with newly designed connectors that are longer lasting and more durable than traditional MMCX connectors used in traditional earphones. 

Technical Details

Brand
7HZ i99
Driver
13.8mm dynamic driver
Frequency response range
20-20000Hz
Impedance
25ohms
Sensitivity
118db
Distortion rate
<0.2%
Inside the Box
  • 1 x 7HZ i99
  • User Manual

30-Day Return Policy

You may return any non-customized product that is still factory sealed, within 30 days upon receiving it. For items that are damaged, incorrect, or faulty upon delivery, Linsoul will assess the issue and provide a solution accordingly.

1 Year Warranty

The 7HZ i99 Comes with a 1 year warranty on In-Ear Monitors and 3 month warranty on the cable.

Customer Reviews

Based on 2 reviews
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C
Christian Sanfilippo
Possibly the last pair to ever be shipped. Focus tuned for specific Music.

In regards to the Tuning, this IEM seems to have been specifically designed for Mid and Bass response in mind, when i think of these IEM's, i think RNB, Hip Hop and Electronic music focusing on House and Mid focused EDM.

Where these Drivers thrive is in music that doesn't have high contrast in Frequency Response, i feel these were made in an Era where hyper specialized drivers were still a market staple, and for these I99's i cannot think of a single better driver that encapsulates the Mid and Bass frequency, and i can't dislike these IEM's every time i put them on, i know what these were for, and i cannot think of a single IEM that does the RNB and House music as well as these.

these were not your super technical Drivers that were jack of all trades, these were drivers designed FOR something, not everything. and looking forward, i found a specific driver that i hope never dies, because when i put on Ella Mai, "10,000 hours", or Tanerelle's "Boys like you" i don't see another driver having that focus be given on the depth of Tonality, its not the most technical in those ranges, but its the most Depth and texture i have ever head out of those songs, headphones or IEM's. it puts you in the same room as those vocalists and gives you a personal session in the studio.

and for that, i will never regret owning and paying the premium to have a more "custom Tuned" IEM.

they are heavy IEM's, that will wear and blemish as time goes on, maybe some view that as a major flaw, but i am fully confident these IEM's after years of use will still have character of their own.

on a negative note, please for the love of god never ever ship that Cord again, it has the most uncomfortable feeling and memory i have ever experienced, nothing a Tripowin cable cant fix, but those custom made cables that were stock are my arch enemy.

A
Alejandro Cabral Santana
Just get one

This is one of the best headphones I’ve tried in a while, for a single driver it definitely sounds like a titan, 13.9mm ain’t joking, soundstage it’s not wide, but the depth it’s magnificent

Bass it’s detailed and blunt but not in a way that covers the whole spectrum, it actually has an amazing position, mids are quite something... I’m listening to it while writing this, I’m in awe with this pair. For the price is a bargain

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