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Optoma NuForce HEM8 Reference Class Hi-Res In-Ear Headphones with Quad Balanced Armature Drivers
- FOUR LATEST Hi-Resolution Knowles Balanced Armature Drivers for an immersive performance.
- ACOUSTICALLY calculated and vibration free Lexan earpiece for comfortable and fatigue free fit.
- SUPERIOR Linear-Phase crossover design for seamless driver integration.
- TWO REPLACEABLE CABLES included: microphone cable when listening music on-the-go and high-end silver and OFC copper earphone cable for the best sonic performance.
- PACKAGE INCLUDES: range of silicon tips, COMPLY soft foam ear tips, WATER and AIRTIGHT POLYCARBONATE case, fabric POUCH, cleaning tool, 3.5mm to 6,3mm adapter and a safety guide.
- Connectivity Technology: Wired
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From the manufacturer
High Resolution In-Ear Headphones
The High Resolution certified HEM series set a new standard for accuracy, speed and comfort. Designed for music lovers and professionals, these innovative in-ear headphones offer budding artists, home recording musicians and DJs incredible audio reproduction. Combining the latest balanced armature driver technology with advanced crossover design, the HEM series reveal a wider frequency range for the ultimate listening experience.
The HEM series of in-ear headphones let you hear every track in exceptional clarity – for rich full-bodied sound. The combination of cutting-edge design and Hi-Res certified balanced armature driver technology results in balanced sound with crystal clear highs and explosive bass.
Advanced Crossover Design
The HEM series incorporate a three-way phase-coherent crossover design that achieves linear phase performance. The result is a natural, three-dimensional soundstage, lightning-fast transients and crystalline transparency.
What's in the Box?
- HEM earphones.
- 6x silicone tips in different sizes/two colors.
- High-end OFC earphone cable.
- Comply tips: T-100 two pairs in (L/M).
- Water and air-tight polycarbonate carrying case for the earphones.
- Carrying pouch.
- 3.5mm to 6.3mm connector.
- Cleaning tool.
- Safety guide.
- Earphone cable with microphone.
Knowles Balanced Armature Drivers
Featuring the latest generation of balanced armature drivers, the HEM series can reach frequencies as high as 40,000Hz - twice the frequency range of other balanced armature IEMs’. Each HEM model houses either four (HEM8), three (HEM6), two (HEM4) or one (HEM2) Knowles balanced armature drivers in each earbud – designed to produce pure, authentic sound from a compact body.
Pure Sound, Wherever You Go
Two tangle-free cables are included so you can choose between a microphone and inline remote for convenience, and a high-end cable for the best possible performance. The high-end cable is made of OFC and silver, while the 2-pin cable connectors are a proprietary mix of silver and copper with separate ground return for each channel.
Constructed with acoustically calculated, vibration-free Lexan earpieces the HEM series allow for prolonged listening without fatigue at any volume level. The in-ear monitors are lightweight making them ideal for use at home, in a recording studio, on stage or on the go.
For maximum comfort and performance HEM8 comes with two types of ear tips in a range of sizes for a snug, slip-free fit. These include Comply soft memory foam ear tips which shape themselves to fit perfectly in the ear canal, offering superior isolation from noise and creating incredible bass response.
Balanced Armature Driver Pt. 1
The HEM range of in-ear headphones are able to reproduce musical performance in the way that a professional full range speaker does. The new range is comprised of a modular design that includes a set of drivers controlled by a patented cross over design. An exclusive NuForce designed linear phase network is able to maintain the right note, at the right time and in the correct frequency to be played at all times. This set up allocates specific frequencies to a designated driver ensuring a perfect integration of frequency and phase which result in clarity speed and details that are constant at any volume.
The HEM’s reference performance calls for the best connection and delivery from a source. A hybrid silver/copper-conductor has been tailored specifically for the HEM and is used in the additional high-end braded cable that is offered with every HEM set. In fact, almost as much care and attention has been lavished on the design of the cable as on the earphones themselves, further enhancing and tuning the tonal balance to perfection.
Balanced Armature Driver Pt. 2
The latest Knowles balanced armature driver is superior to a single dynamic driver. It is able to reach frequencies of up to 40,000Hz without flex and distortion. Unlike a conventional dynamic driver, the balanced armature drivers use a magnet to move a small diaphragm, resulting in vanishingly low distortion levels. The combined ability of the drivers to deliver a greater range of frequencies, in comparison to a dynamic driver, makes them an ideal professional tool for those who record at higher than CD frequencies.
The HEM series is ready for use by those who are mastering or listening to DSD audio files. Due to the miniature size of the armature driver, a number of drivers can be combined together to create a full range sound field. The result is an astonishing life-like, accurate sound that is able to maintain clarity even at the highest volume levels and retrieve critical details at very low volume levels.
To harness the best results from the use of up to eight in-ear speakers in the HEM range, a patent pending crossover mechanism has been adopted. An innovative phase linear mechanism in the form of a first order Butterworth crossover design was chosen to distribute frequencies and maintain the sound in the correct phase at all time. Not only is this unique set-up able to accurately and perfectly assign the frequency to the appropriate driver (bass frequency to the bass driver etc.) it also ensures that the diaphragm movement of each driver is coordinated between all eight inner drivers.
Careful attention to materials and technology used in this new HEM range has resulted in the most accurate delivery of sound to the listener’s ear. The combined result creates a sound stage that is wider and deeper, eliminating the illusion of sound centred between the ears and placing the music across and even in front of the listener.
The NuForce HEM range has been able to meet the exact standards which are awarded to a very select group of models. The Hi-Res certification program is a recent effort that combines both the Consumer Electronics Association (CEA) and the Japan Audio Society (JAS). The partnership was established in 2014 to help promote and support the marketplace growth of High-Resolution Audio (Hi-Res Audio or HRA) devices and content. With the growth in popularity of high resolution audio, the NuForce range is able to meet and exceed the very demanding technical factors that are involved in the replay of DSD content. Combined with the Hi-Res certified uDAC5 the HEM series of in-ear headphones offer a complete high resolution audio solution for audio enthusiasts, budding home musicians, DJs and gamers.
|# of Drivers (per earbud)||1||2||3||4|
|Frequency Range||20 - 40,000Hz||18 - 40,000Hz||18 - 40,000Hz||10 - 40,000Hz|
|Applications||A single full range driver. Ideal for home musicians and audio enthusiasts.||Reflects sound better than most in its class. Designed for professionals and audio enthusiasts.||Perfectly balanced for professional use on stage as well as music on the go.||Professional monitoring tool with the most accurate bass.|
|Weight||.47 oz||.54 oz||.56 oz||.58 oz|
|Sensitivity||110dB +/-3dB||113dB +/-3dB||113dB +/-3dB||124dB +/-3dB|
|Max Sound Input Level||113dB||124dB||124dB||122dB|
|Max Input Power||2mW||2mW||2mW||2mW|
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|Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping|
|Sold By||Amazon.com||Amazon.com||ProStudio Sound & Music||Amazon.com||Enter_shop||Zhongai|
|Item Dimensions||0.54 x 1.01 x 0.65 in||1 x 1 x 1 in||1.18 x 47.24 x 0.79 in||2.36 x 1.18 x 2.72 in||1 x 1 x 1 in||1.06 x 0.98 x 0.71 in|
|Additional Features||noise-isolation, microphone-feature, sports-and-exercise||universal-phone-control||Over the ear||Passive Noise Cancelling, Cordless||Microphone-Feature||bluetooth, denoise|
The Hi-Res Audio certified NuForce HEM8 earphones offer audio enthusiasts, gamers and professionals the sound quality of reference-class, high end, full-size speakers. These luxury and high-quality earphones are perfect for those who demand balanced sound with crystal clear highs and explosive bass, at home or on the go. Like professional large speakers, the advanced technology embedded in the HEM8 uses a set of high resolution micro drivers that produce incredibly spacious sound and rich bass. The four balanced armature drivers in each earphone deliver a smooth, fatigue-free sound regardless of the device to which they are connected.
Top customer reviews
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First, let me say that the unboxing is a treat in itself. The included accessories are very impressive and include everything needed for a good listening experience, as well as a ton extra. I would list everything but everything is already shown in the pictures as well as in the description. Great job nuforce!
Okay, so now you've got the box open and then its time for the main event...listening! I started out by playing lossless files on my lg v20 and played a diverse selection of music to see what the hem 4's were all about. I was blown away at the crystal clear sound with very little to no harmonic distortion. The sound is very balanced with a nice quality bass tone and present mids. The star of the show to me though is the gorgeous highs. Wow do they impress!!! The highs extend forever with a very late roll off, and have ZERO sibilance. They are smooth and non peaky with a beautiful tonality. Again, great job nuforce on the tuning!!
I can easily recommend the hem 4's to anyone looking for hifi sound and an excellent build quality. They are a brilliant dual balanced armature earphone and deserve so much more attention! Your ears deserve to be treated to the best, and I find these very hard to beat at their price point.