Head Gear Reviews by IceIceberg

:notes:𝐂𝐄𝐋𝐄𝐒𝐓 𝐂𝐃-߶ 𝐑𝐄𝐕𝐈𝐄𝐖::notes: Celest CD-2 is a portable USB-C DAC from Celest. It was officially announced in January 2025 on the company's Twitter account and went on sale in mid-February for $25. Celest is a Chi-Fi company and a sub-brand of Kinera. They specialize in producing elegant IEM models with their own authentic story. Their products are known for unique designs, distinctive sound signatures, and affordable prices, which have earned Celest a global following. Let’s get back to the new release. The Celest CD-2 is an ultra-compact...

:notes:𝐇𝐈𝐅𝐈𝐌𝐀𝐍 𝐓𝐖𝐒450 𝐑𝐄𝐕𝐈𝐄𝐖::notes: Aside from the full-sized HE-R9 headphones I covered in my previous review, today I’d like to introduce another product from HIFIMAN - the budget HIFIMAN TWS450 True wireless earbuds. These are entry-level True wireless earbuds with a compact design and Hi-Fi sound. The HIFIMAN TWS450 were officially introduced on HIFIMAN’s Twitter account in April 2024 and went on sale for just $39, making them one of the most affordable options in the company’s lineup. I’ve already gone into detail about HIFIMAN as a company...

:notes:𝐇𝐈𝐅𝐈𝐌𝐀𝐍 𝐇𝐄-𝐑9 𝐑𝐄𝐕𝐈𝐄𝐖::notes: The Hifiman HE-R9 are full-sized, closed-back Hi-Fi headphones from Hifiman. Although the HE-R9 was released in January 2022, it remains highly relevant today, especially considering that it’s now available at a significant discount. Initially priced at $109, Hifiman is currently offering these headphones for just $79 in their official store. Hifiman needs no introduction among audiophiles, but let me briefly remind you. Founded in 2007 by Dr. Fang Bian, Hifiman is an American Hi-Fi audio company specializing...

:notes:𝐓𝐑𝐔𝐓𝐇𝐄𝐀𝐑 𝐗 𝐂𝐑𝐈𝐍𝐀𝐂𝐋𝐄 𝐙𝐄𝐑𝐎 𝐁𝐋𝐔𝐄 ߶ 𝐑𝐄𝐕𝐈𝐄𝐖::notes: Truthear x Crinacle Zero Blue 2 is a new 2DD release from the Truthear, continuing the Zero lineup, specifically the Blue series, which has won the hearts of both avid gamers and experienced audiophiles. The model was released by Truthear in collaboration with the well-known YouTube reviewer Crinacle, who has a deep understanding of high-quality sound. His tuning often resembles the Harman 2019 target, featuring a balanced V-shaped frequency response with an emphasis on high frequencies. Here...

:notes:𝐊𝐈𝐖𝐈 𝐄𝐀𝐑𝐒 𝐀𝐕𝐄𝐍𝐓𝐔𝐒 𝐑𝐄𝐕𝐈𝐄𝐖::notes: Kiwi Ears Aventus are full-size Bluetooth headphones designed for DJs, gamers and more... Kiwi Ears has released a whole lineup of full-size headphones, among which the Ardor was previously reviewed by me and left a strong impression, not only with their sound but also with their ergonomics, battery life, and comfortable fit. It’s truly a high-quality product, and I sincerely hope the Aventus will deliver a similar experience. The Kiwi Ears Aventus was first unveiled on the company’s official Twitter...

:notes:𝐓𝐖𝐈𝐒𝐓𝐔𝐑𝐀 𝐒𝐈𝐆𝐌𝐀 𝐑𝐄𝐕𝐈𝐄𝐖::notes: Twistura Sigma – а 1DD + 1BA Hybrid IEM from Twistura. Let’s take a look at what Twistura's engineers have come up with! A brand-new IEM in a fresh style with an unusual bullet shaped design, managing to fit two drivers inside. Let’s dive deeper into what makes this product unique. There isn’t much information about Twistura, but we do know that it’s a Chi-Fi company primarily specializing in cables and IEMs. Interestingly, they currently have three IEM models priced under $100, and despite their affordable...

Hidizs ST2 Pro Nebula review: Hidizs ST2 Pro Nebula is a dynamic IEM model from the Hidizs company, featuring a DSP cable and a built-in DAC. The new model was introduced on Kickstarter in December 2024 as a 2-in-1 innovation, combining a portable DAC and Hi-Fi in-ear monitors. Shortly after, it became available for purchase at a price of $60. Hidizs is far from being an unknown Chi-Fi company. It was established back in 2012, when the first portable Hi-Fi audio devices were just starting to hit the market. At that time, Hidizs focused on...

Review of Tanchjim Stargate II: INTRODUCTION Tanchjim Stargate 2 is a new portable DAC from Tanchjim, an updated model in the Stargate lineup originally released in 2021. The new version was announced at the CanJam event in New York in February 2025 and immediately went on sale for $38. Tanchjim is a Chi-Fi company founded in 2015 that has released a wide range of high-quality audio products, from cables to TWS earbuds. Currently, the company focuses on manufacturing IEMs and DACs, as these two essential components are necessary for achieving...

Review of Kiwi Ears Aether: Kiwi Ears continues to please us with new releases in the world of audio products. In a short period, they have released several IEM models and full-size headphones, proving that they are skilled not only in making hybrid IEMs. Today, we continue our review of Kiwi Ears' latest products, and this time, we have planar IEMs—the Kiwi Ears Aether. This is their first model with a planar driver. The new model was announced on the company's official Twitter account in early March and was immediately released for sale at a...

Review of Kiwi Ears Airoso: Recently, Kiwi Ears has made waves in the industry by releasing a series of full-size headphones, one of which I recently reviewed — Kiwi Ears Ardor. Alongside these, the company has introduced several new IEM models, including the hero of today's review — Kiwi Ears Airoso. The Kiwi Ears Airoso is a new hybrid IEM from Kiwi Ears. It was announced on the company's Twitter account in early February and immediately went on sale for $130. For those unfamiliar with Kiwi Ears, it is a Chi-Fi company that, until recently...

Review of Fosi Audio K7: INTRODUCTION Fosi Audio K7 Gaming HiFi DAC / Headphone Amplifier is arguably the most anticipated and intriguing DAC/amp release of 2025, bridging two different user groups: gamers and Hi-Fi enthusiasts. The Fosi K7 is currently a pre-release project on Kickstarter and is set to be officially unveiled next month. Its price at the time of this review is $180, though it may vary due to different factors. Fosi Audio is a Chi-Fi company specializing in DACs and amplifiers of various formats—from portable to desktop...

Review of Kiwi Ears Ardor: Hi folks! Recently, Kiwi Ears has ventured into a new direction – the production of full-size headphones. In a short period, they have released four models, two of which are wireless. Today, I’m reviewing the Kiwi Ears Ardor – wireless full-size headphones with active noise cancellation (ANC). This model was introduced in January and immediately went on sale, priced at $100 For those unfamiliar with Kiwi Ears, it is a Chi-Fi company specializing in well-crafted hybrid IEMs. Today, the brand produces a wide range of...

Review of Celest Rue Introduction Celest Rue is an ultra-budget new release from Celest. These IEMs were introduced at CanJam SoCal 2024 and immediately went on sale for just $15. For those unfamiliar with Celest, it is a sub-brand of Kinera, offering a wide range of audio products, including IEMs, cables, DACs, and even full-size headphones. Celest stands out with its unique designs, inspiring backstories, and successful hybrid models like the IgniteX Beast. Today, we’re reviewing the Celest Rue—ultra-compact in-ear monitors...

Review of TinHifi C3 MkII: TinHifi C3 MkII is a new single-dynamic driver IEM from TinHifi. It is an updated version of the OG C3, originally released in 2022. The new model was announced on January 6, 2024, and immediately went on sale for $49. For those unfamiliar with TinHifi, it is a Chi-Fi brand that started in 2017 and has since released many budget IEMs. Some of its most well-known models include the T3 Plus, the predecessor C3, and the planar one P1 Max. TinHifi aims to create affordable IEMs with a versatile and pleasant sound...

Review of BQEYZ BQ 10: BQEYZ BQ10 is an ultra budget dynamic model, new from BQEYZ company. The cheapest IEM model in the BQEYZ lineup. Announced at the end of October, this new product became available for purchase in November at a price of just $30. BQEYZ, short for "Best Quality Earphone for You" is a premium Chi-Fi company that prioritizes the quality of its products over sheer quantity. I have always appreciated their commitment to creating audio devices with unique sound signatures and appealing designs. Recently, I tested the BQEYZ...

Review of Kefine Klean: Kefine Klean is a dynamic new product from Kefine. It is the 3rd IEM in Kefine's lineup, which is a continuation of the dynamic and more expensive Kefine Delci. The IEMs were presented in late October and immediately went on sale at a budget price of 50$ The name Kefine combines two words: "Ke," the name of the company’s founder, and "refine." Kefine is a Chi-Fi company with a short but impactful history. Founded in 2022, the brand made waves in 2023 with its first planar IEMs, Kefine Klanar. These impressed the audio...

Review of 7Hz x HBB Elua: 7Hz x HBB Elua – is a budget-friendly new product from 7Hertz in collaboration with Hawaii Bad Boy. 7Hertz has teamed up with the well-known YouTube reviewer "Hawaii Bad Boy" (HBB), famous for his love of rich, impactful bass and creating basshead IEMs. The Elua IEMs were introduced in early November and quickly hit the market. 7Hertz, a globally recognized Chi-Fi company, specializes in developing affordable IEMs with versatile sound signatures that appeal to a wide audience. Let’s dive into the details of this new...

Review of Rose Technics Star City 5 Pro: Rose Technics Star City 5 Pro is a mid-range hybrid model from Roseselsa, featuring an appealing design and a tuning profile based on the Harman 2019 target curve. These IEMs incorporate a variety of approaches: a dynamic driver with a Japanese LCP composite diaphragm, Danish balanced armatures, and tuning by a former Sony engineer. With such a combination, it’s hard to imagine this set being anything but impressive. ROSESELSA, or Rose Technics, is a Chi-Fi company founded in 2015, producing a variety of...

Review of Tiandirenhe TD15: Hello, hello! Tiandirenhe TD15 - entry-level IEM from the little-known company Tiandirenhe. According to the creators, these IEMs are basshead with a V-shaped tuning, ergonomic design, and attractive aesthetics. From what I understand, Tiandirenhe is a new Chi-Fi brand aiming to produce basshead IEMs, a variety of eartips, and audio cables. Tiandirenhe TD15 is a single dynamic driver model available in two versions: with and without an additional vent near the nozzle. Additionally, for just $2 more, you can get a...

Review of Tripowin x 0DiBi: Vivace: Hello, hello! Tripowin x 0DiBi: Vivace - a collaboration between Tripowin and South Korean YouTuber and audio gear reviewer 0DiBi. This is the first joint project between Tripowin and an audio reviewer. Tripowin Vivace was announced on Tripowin's Instagram page in mid-October and became available for purchase shortly after. For those unfamiliar with Tripowin, it is a Chi-Fi company specializing in the production of audio cables and budget IEMs. While I haven’t had the opportunity to try any of Tripowin’s...