ProStereo™ H1 Hi-Fidelity Wireless Headphone Amplifier and DAC: Sharing Perfect Sounds Without Limitation
20 July 2017

In addition to the ProStereo™ L5 stereo Bluetooth headset cable, i.Tech has released the H1 — a high-fidelity, 2-in-1 wireless headphone amplifier with USB DAC. The H1 distinguishes itself with its capability in Bluetooth transmission without compromising sound quality. The product ensures wireless music sharing and up-sampling to almost the quality of studio sound, offering a clear and stable Hi-Fi audio experience for users’ enjoyment.

Wireless Headphone Amplifier in Light-Weight Mini Clip Design

Unlike other general headphone amplifiers in the market, ProStereo™ H1 supports the Bluetooth version 4.2 and can be clipped easily onto a collar or a handbag. The use of Bluetooth minimizes the number of cables, allowing the pleasure of Hi-Fi audio with minimal weight burden. This completely transforms and enhances the portability of headphone amplifiers.

Bluetooth Transmission Without Compromising Sound Quality

With a maximum power output of up to 22.5mW + 22.5mW, ProStereo™ H1’s total harmonic distortion goes below 0.05%. It can easily match professional headsets with different levels of impedance and sensitivity. Besides, it produces clean and compelling sounds with a linear and high-frequency amplification effect. No matter which type of music file users play on their mobile phone or USB (MP3, AAC, FLAC, etc.), the audio data can be raised to up to a sampling rate of 32bit / 384kHz and be output to independent Hi-Fi DAC, making the digital waveform smoother and closer to the analog replay. With the support of aptX®& and AAC codec technology, H1 can deliver a penetrating sound with almost no reduction of quality, whether a user plays the music on an Android~ mobile phone or iPhone.

Real-Time Sharing of Playlist

ProStereo™ H1 made possible the real-time sharing of music in full integrity. Simply by using two sets of ProStereo™ H1s, users can share the songs in their playlist instantly with the aid of Bluetooth technology, thus enjoy the freedom of wireless sharing with friends and loved ones. Besides, the one-hour fast charge function allows sufficient power for music playback and handsfree calls.

Transforming into Professional USB DAC

In addition to wireless playback, ProStereo™ H1 also supports standard USB audio functions as an external USB DAC. Simply connect the USB data cable and external accessories supplied with the product directly to iOS^, Android~ device or computer audio source (CAS)=. With the built-in independent Hi-Fi DAC and amplifier chip by Texas Instruments to further reduce distortion and enhance music dynamics, it presents a truly enjoyable Hi-Fi sound experience.

Specification of ProStereo™ H1 :

  • Bluetooth version:4.1
  • Profile Support:A2DP, AVRCP, HFP, HFP
  • Codec: aptX®&, SBC, AAC^
  • Support Hi-Fi quality music sharing
  • Support USB DAC
  • 1 hour battery fast charging
  • Built-in NFC “one-touch quick pairing” functionN
  • HD Voice Ready#
  • Multipoint connectivity
  • Play time: Up to 4 hours
  • Music time: Up to 4 hours
  • Standby time: Up to 200 hours


ProStereo™ L5 Stereo Bluetooth Headset Cable, the Most Complete Wireless Audio Solution For Professional Headsets
4 May 2017

Since 2016, i.Tech has committed to expanding in the audio equipment sector. ProStereo™, a side-line series, has made a name for itself among high-definition headsets in the market. In the new year, the series will present itself in a brand new look, providing users with professional as well as diverse choices of mobile audio products.

As headsets with MMCX connector get more popular, ProStereo™ has developed the latest ProStereo™ L5 stereo Bluetooth headset cable for users to convert personal MMCX headset into a convenient Bluetooth headset to maximize flexibility of the device.

Sound Quality Comes First: Blending aptX™&, AAC Decoding and Silver-Plated 4N Oxygen-Free Copper Wire

Leveraging Qualcomm’s version 4.1 Bluetooth chip, ProStereo™ L5 has SBC, aptX™& and AAC codecs built into its device, which allows transmission of audio signals with almost no distortion, whether users listen to songs using Android~ phone or iPhone. ProStereo™ L5 delivers unmatched price-performance value, employing silver-plated 4N oxygen-free copper audio cable with the highest electrical conductivity that can fully bring out the inner potentials of the headset.

The native balanced audio jack not only eliminates the effect of outside interference on audio signals, but also reduces the mutual interference between the left and right sound channels caused by the ground wire, thereby greatly enhances separation and brings about an enhanced musical experience with every fine and delicate musical nuance.

IPX4 Splash-Proof Design

To enrich user experience, the ProStereo™ L5 adopts a splash-proof hardware design which can stand the rigorous IPX4 test. Rain, sweat, or even splashes of drinking water will not affect the headset’s operation.

Adjust Different Sound Effects Freely With Built-In EQ Equalizer

One characteristics of the ProStereo™ brand is that it provides different solutions for enjoying music. The simplistic design of ProStereo™ L5 should not be underestimated, for it has a built-in EQ equalizer with which users can tune to four sound play modes: “Normal”, “Bass”, “Jazz” and “Rock” by simply pressing the “Volume +” and the “MFB” buttons at the same time.

Clear And Smooth Voice Call Empowered By High-Standard MEMS Microphone With Three-Button Wired Control

To be the most complete wireless solution, ProStereo™ L5 makes sure to take care of users’ need for voice call. It uses a high-standard MEMS microphone, making sound reception clearer and more outstanding. The product’s three-button wired control enables easy operation for music play, calls and voice-prompt functions. In addition, ProStereo™ L5’s built-in battery can support up to 5 hours of wireless music play and call, adding extra value to users’ own personal headset.

Specification of ProStereo™ L5:

  • Bluetooth version 4.1
  • Profile Support: A2DP, AVRCP, HSP, HFP
  • Codec: aptX™&, AAC, SBC
  • Professional 4N Silver-plated Oxygen Free Copper (OFC) cable
  • Built in MEMS microphone
  • IPX4 water resistant by hardware design
  • Multipoint connectivity
  • Music time: Up to 5 hours
  • Music time: Up to 5 hours
  • Standby time: Up to 150 hours
  • Premium carrying pouch


The latest AAC version of Clip II mini (Music Edition) Bluetooth headset raises sound quality for iPhone
24 November 2016

Since iPhone 7®^ did away with the 3.5mm jack, new users may either use the Apple®^ Lightning®^ headset cable or purchase optional adapter. Bluetooth headset is also one of the solutions, but many would doubt the sound quality of Bluetooth output. In view of this, i.Tech now offers a better solution for “Apple fans” by introducing the AAC version of the Clip II mini (Music Edition) Bluetooth headset specifically designed for the iPhone®^. The most popular Jet black colour will be first launched – a perfect match with your phone!

Why the AAC version of Clip II mini (Music Edition)?

AAC (Advanced Audio Coding) is a professional audio codec technology, which is currently the MPEG-4 audio core standard. It provides better sound quality and clarity than the usual audio formats such as MP3. The AAC audio format is also widely used in iPhone®^ or MacBook®^ and other products; therefore the sound of this new Clip II mini (Music Edition) with built-in AAC codec is as good as that of wired headphones.

Give you back 3.5mm plug and flexibility
“The new phone has no 3.5mm jack, what should we do with the old headphone cables?” The AAC version of Clip II mini (Music Edition) would solve the problem with its 3.5mm jack. In addition to using the headphone cable provided in the box, users may also use their own headset cable as usual to freely play music or make voice calls. In addition, users may purchase another 3.5mm audio cable to connect the headset with Hi-Fi system so as to play select music from the iPhone®^.

Equally outstanding call performance

Clip II mini (Music Edition) AAC version’s high-standard MEMS microphone, together with its HD Voice# call feature, enables high clarity for voice calls. Furthermore, it supports the iPhone®^ Bluetooth battery indicator. Users can check battery status on the screen any time, and do not have to worry even if they find that power is low, as it supports one-hour quick battery charging, providing a total call time of up to 7 hours. Another product feature is the built-in buzzer which supports incoming call alert to prevent missing important calls.

Specification of Clip II mini (Music Edition) with AAC:

  • Profile Support: HSP, HFP, A2DP, AVRCP
  • Built-in AAC codec for iOS^ & Headphone Amplifier for the best audio experiences
  • 1 hour battery fast charging
  • Support iPhone Bluetooth battery indicator
  • HD Voice Ready#
  • Built in MEMS microphone
  • Multipoint connectivity
  • Talk time: Up to 7hours
  • Music time: Up to 6.5 hours
  • Standby time: Up to 200 hours
New addition to the i.Tech ProStereo™ series The ProStereo F3 Headset Popularizes Hi-Res Audio
24 November 2016

With a commitment to bring new offers to customers, i.Tech has continued to advance its products since the announcement of the company’s development of high-resolution audio (Hi-Res Audio!) and Hi-Fi Audio earlier this year. Having won the Electronic Industries Awards 2016 (Category: Audio Visual Products) in October, i.Tech has released more more new products this month to mark another perfect chapter for the company in 2016.

ProStereo™ F3 – the latest of three outstanding ProStereo™ products – wins over the market with competitive pricing
After six months of incubation, i.Tech ProStereo™ L1 and L2 have successfully emerged and made a reputation for themselves in the Hi-res Audio headset sector, each comes with particular characteristics to satisfy users with different music quality requirements. The ProStereo™ F3 Hi-Res Audio! headphones will be the latest addition to the ProStereo™ series this month. Available at attractive price, it would further promote the popularity of Hi-Res Audio! products.

Like previous ProStereo™ products, the ProStereo™ F3 has met the Hi-Res Audio! headset certification requirements set by the Japan Audio Society, with a clear and fine sound output. Its frequency range of up to 70kHz produces smooth bass sounds. In addition, the ProStereo™ F3 includes a 9mm dynamic driver to allow for a sense of natural clarify.

Besides high-definition music, ProStereo™ F3 caters to one’s needs for making phone calls. Its built-in professional microphone and multi-function control key enables users to switch from the music player mode to high-definition calls any time.

Specification of ProStereo™ F3

  • Full compliance with Hi-Res Audio! requirement from Japan Audio Society
  • 9mm Neodymium magnet driver
  • Sensitivity(DB/MW):102 ± 3dB
  • Frequency Range(HZ): 5Hz – 70kHz
  • Max. Inout Power: 10mW
  • Distortion: <3%
  • Impedance: 17Ω
  • Built-in microphone for crystal clear voice call, with volume control compatible with popular Android~ and iOS devices
  • Premium carrying pouch
  • 4 pairs of earbuds (SS,S,M,L sizes)
  • Colors: Black Silver, White Silver