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- Speaker Diameter: 27mm / 1.06in
- Impedance: 32ohms
- Sensitivity: 116dB/mW
- Frequency Response: 20~20KHz
- Cord Length: 2.5m / 98.43in
- Plugs Type: 3.5mm stereo
- Color: Black
- Adjustable headband, wear comfortable
- With the function of noise cancelling
- Omni-directional microphone for clear voice pick-up
- Soft cushion earcup for maximum comfort
- With volume control in line
- RoHS available
- The portable stereo headphone offers high-quality audio reproduction with extraordinary bass ideal for digital music playback
- The mic stereo headphone is with omni-directional microphone for clear voice pick-up
- Made of high quality material, the portable stereo headphone is durable and reliable for long time use
How does Headset Work:
- The moving coil driver, more commonly referred to as a "dynamic" driver is the most common type used in headphones. The operating principle consists of a stationary magnetic element affixed to the frame of the headphone which sets up a static magnetic field. The magnetic element in headphones is typically composed of ferrite or neodymium. The diaphragm, typically fabricated from lightweight,
- High stiffness to mass ratio cellulose, polymer, carbon material, or the like, is attached to a coil of wire (voice coil) which is immersed in the static magnetic field of the stationary magnet. The diaphragm is actuated by the attached voice coil, when an audio current is passed through the coil. The alternating magnetic field produced by the current through the coil reacts against the static magnetic field in turn, causing the coil and attached diaphragm to move the air, thus producing sound. Modern moving-coil headphone drivers are derived from microphone capsule technology
- Electrostatic drivers consist of a thin, electrically charged diaphragm, typically a coated PET film membrane, suspended between two perforated metal plates (electrodes). The electrical sound signal is applied to the electrodes creating an electrical field; depending on the polarity of this field, the diaphragm is drawn towards one of the plates. Air is forced through the perforations; combined with a continuously changing electrical signal driving the membrane, a sound wave is generated. Electrostatic headphones are usually more expensive than moving-coil ones, and are comparatively uncommon. In addition, a special amplifier is required to amplify the signal to deflect the membrane, which often requires electrical potentials in the range of 100 to 1000 volts
- Due to the extremely thin and light diaphragm membrane, often only a few micrometers thick, and the complete absence of moving metalwork, the frequency response of electrostatic headphones usually extends well above the audible limit of approximately 20 kHz. The high frequency response means that the low midband distortion level is maintained to the top of the audible frequency band, which is generally not the case with moving coil drivers. Also, the frequency response peakiness regularly seen in the high frequency region with moving coil drivers is absent. The result is significantly better sound quality, if designed properly
- Electrostatic headphones are powered by anything from 100v to over 1kV, and are in proximity to a user's head. The usual method of making this safe is to limit the possible fault current to a low and safe value with resistors
- An electret driver functions along the same electromechanical means as an electrostatic driver. However the electret driver has a permanent charge built into it, whereas electrostatics have the charge applied to the driver by an external generator. Electret headphones, like electrostatics are relatively uncommon. They are also typically cheaper and lower in technical capability and fidelity than electrostatics
- A balanced armature is a sound transducer design primarily intended to increase the electrical efficiency of the element by eliminating the stress on the diaphragm characteristic of many other magnetic transducer systems. As shown schematically in the first diagram, it consists of a moving magnetic armature that is pivoted so it can move in the field of the permanent magnet. When precisely centered in the magnetic field there is no net force on the armature, hence the term 'balanced.' As illustrated in the second diagram, when there is electric current through the coil, it magnetizes the armature one way or the other, causing it to rotate slightly one way or the other about the pivot thus moving the diaphragm to make sound
- The design is not mechanically stable; a slight imbalance makes the armature stick to one pole of the magnet. A fairly stiff restoring force is required to hold the armature in the 'balance' position. Although this reduces its efficiency, this design can still produce more sound from less power than any other. Popularized in the 1920s as Baldwin Mica Diaphragm radio headphones, balanced armature transducers were refined during World War II for use in military 'sound-powered' telephones. Some of these achieved astonishing electro-acoustic conversion efficiencies in the range 20% to 40% for narrow bandwidth voice signals
- Today they are typically used only in canalphones and hearing aids due to their diminutive size and low impedance. They generally are limited at the extremes of the hearing spectrum (e.g. below 20Hz and above 16kHz) and require a seal more than other types of drivers to deliver their full potential. Higher end models may employ multiple armature drivers, dividing the frequency ranges between them using a passive crossover network. A few combine an armature driver with a small moving-coil driver for increased bass output
Other Transducer Technologies:
- Transducer technologies employed much less commonly for headphones include the Heil Air Motion Transformer (AMT); Piezoelectric film; Ribbon planar magnetic; Magnetostriction and Plasma-ionisation. The first Heil AMT headphone was marketed by ESS Laboratories and was essentially an ESS AMT tweeter from one of the company's speakers being driven at full range. Since the turn of the century, only Precide of Switzerland have manufactured an AMT headphone. Piezoelectric film headphones were first developed by Pioneer, their two models both used a flat sheet of film which limited the maximum volume of air that could be moved. Currently TakeT produce a piezoelectric film headphone which is shaped not unlike an AMT transducer but which like the driver Precide uses for their headphones, has a variation in the size of transducer folds over the diaphragm. It additionally incorporates a two way design by its inclusion of a dedicated tweeter/supertweeter panel. The folded shape of a diaphragm allows a transducer with a larger surface area to fit within smaller space constraints. This increases the total volume of air that can be moved on each excursion of the transducer given that radiating area
- Magnetostriction headphones, sometimes sold under the label of "Bonephones" are headphones that work via the transmission of vibrations against the side of head, transmitting the sound via bone conduction. This is particularly helpful in situations where the ears must be left unobstructed or when used by those who are deaf for reasons which do not affect the nervous apparatus of hearing
- Magnetostriction headphones though, have greater limitations to their fidelity than conventional headphones which work via the normal workings of the ear. Additionally, there was also one attempt to market a plasma-ionisation headphone in the early 1990s by a French company called Plasmasonics. It is believed that there are no functioning examples
How to Choose a Good Pair of Headphones?
- Bud design. These have good sound quality and sit around the ear canal. This type of headphone also offers better bass reproduction and block out ambient noise
- Closed cup design. These headphones can block out external noise and stops people from listening in. The downside to these headphones is that they struggle to reproduce bass and can make your ears uncomfortably hot if you wear them for long periods of time
- Open design. They sit on the ear and let sound escape from the back. They offer the most natural sound and tend to be the most comfortable to wear
- Noise-cancelling headphones. These generate sound waves to block out noise. The downside to this type of headphone is they tend to be effective against consistent noise
- Wireless headphones. These headphones have an advantage in having no cables but some models have problems with sound/signal quality. So that's it, you are done
- 1 x OVLENG Stereo Headphone with Mircophone
If the order has not been shipped; please contact DinoDirect Live Support for order cancellation.You will get your refund within 24 hours.
If the order has already been shipped; you may return the item to us postmarked within 30 calendar days of delivery. Before that, please contact our Live Support to inform that.
In that case we will refund you the payment excluding actual shipping fees already incurred.
If the item is defective, please contact DinoDirect Live Support and send an email to us at firstname.lastname@example.org attached an image or video file clearly showing the defect of the product. And we will give you a response within 24 hours whether we will resend the item or refund the payment to you for compensation.
For customization, please consider carefully before ordering.Because we do not accept return and replacement.
|Unit Price||CA$ 5.49||CA$ 5.19||CA$ 4.89||CA$ 4.49|
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DINODIRECT has a team of professional designers, who are all experienced in European and Western design and lead the latest trends in Europe and the United States wedding market design. Our designers are also experienced in customizing dresses; we can do whatever you ask to do on your dresses like Lace and beading. You can tell us your ideas on your dresses and we would like to help you make your ideal wedding dress. We will give you the design in 48 hours with all the unique and charming details.
100% Made to Measure Dresses
DINODIRECT.Produces tailor-made dresses to suit your needs. We ensure that all dresses are 100% handmade. Once you provide the accurate measurement of the details (See our measurement guide) to us, we will immediately start working on your wonderful, unique wedding dress.
DINODIRECT.com’sdresses are made of best material. DINODIRECT hires only the best dressmakers and experienced designers in china, who use the finest production techniques to create your dress.
The Best Price
DINODIRECT.com’s prices are a lot lower than retail prices. With the decades experience in wedding industry, we can offer you all kinds of dresses with the most reasonable prices. Our price varies from US$100-US$800 for some of the highest quality dresses found online.
Speedy Delivery Times
DINODIRECT will ship out your dress as soon as possible. It takes you about 30 days from the day you place your order to the day you receive it.
Q: Are the dresses made by your own factory?
A: DinoDirect has our own factory with over five years’ experience in making dresses.
Q:Is the price on your website real price, why it is much cheaper than market price?
A:Dinodirect manage our business with lower overhead than a retail store or a company. We needn't employ many different departments, and needn't pay the much fees for advertising, renting a store, asking other team for alteration etc. We are the one of largest professional wedding factory in China, and our clients can order dresses from our factory directly. Since we do not have to accommodate for these costs, we can pass the savings onto our customers.
Q: How to make sure the quality?
A:DINODIRECT.com’s dresses are made of best material. DINODIRECT hires only the best dressmakers and experienced designers in china, who use the finest production techniques to create your dress.We ensure that all dresses are 100% handmade.
Q:How do I place my order in this website?
A:You can view the catalog in our website. If you find anything you want to buy just take it to shopping cart and then go check out.
Q:How do I use the search option of your site?
A: You can search by color, by designer, by occasion, by dress type, by price, or by style number. You can search all those categories at once and even sort by price and popularity once you've filtered your dresses.
Q:Can you customize the size of my dress?
A:Absolutely – if our standard sizes don't work for you, we can make you a custom-sized dress for free,When you ordering, you’ll need to check the tab for “Custom size”,then fill in your size. Getting professionally measured is best, but if you want to do it yourself be sure to read our measuring guide first. Avoid common mistakes by doing the following:
1.Ask someone else to measure for you
2.Take measurements while wearing undergarments similar to what you’ll wear with the dress
3.Provide a bust measurement from the fullest part of your chest, not your bra size!
Q:Can I order this dress in a different style/fabric/length?
A: Of course you can. You can click" Custom Size" and then leave your request in "Item Remarks". We will make your dress by your request.
PS: Some dresses do not have “Item Remarks” Tag.
Q: If I buy 2 or more dresses at the same time, do I need to pay postage for twice or more?
A: If you order 2 or more dresses including accessories from our website and we can send them together to same address, you just need to pay for postage once.
Q: How will my item (s) be shipped?
A: All shipping information is outlined in our shipping page.
Q: How long is the delivery time?
A: Usually it takes 7-15 days to make wedding dresses and 1-2 days to check your dresses. The shipping time also differs in shipping methods. The fastest shipping - expedited shipping takes 5-6 days for the shipment. The standard shipping takes 5-9 days. The super saver shipping takes 15-20 days for the shipment. The sooner you place an order, the sooner we start preparing your dress. Thank you.
Q: Will my dress exactly match the color I see on your website?
A: There might be a slight difference between the actual dress’s color and what you see in the photo depending on your computer monitor’s display settings.
Q:Can I make changes to my order after I have paid for my order?
A:You can change your order within 48 hours after you have paid your order, by contacting DinoDirect Live Support and send an email to us at email@example.com, if more than 48 hours, we could not change your order any more.
Ensuring your order number is included.
Q: What should I do if the size doesn’t fit me perfectly?
A:If your size fluctuates or you want to modify the dress slightly, we always leave a few inches in the seams so that your local tailor can easily make alterations as needed. Dresses generally have a margin of 1 inches on either side of a seam. Flower detailing, beading or belts/ribbons may limit ability to let a dress out.
Q:How do I upgrade my shipping?
A: Simply respond to your confirmation email with the method you would like to change it to.
Q:How to Preserve my Dress?
A: In order to prevent the dress distorting and yellowing, you can choose professional dust bag to restore.
Q:What should I do if I have forgotten my password or my password does not work?
A: In our register page, please click “forgot my password”, you will receive an email. There will be a link in the email, click that link and reset your password. If you don’t receive the email, please check it again in your spam mail. Please contact with our Customer Service online if you don’t receive it indeed.
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from (Bahia, Brazil)
Bought this item on01-06-2012
- Pros: At the low price is worth buying, I'm satisfied:)
- Cons: No
- Other Thoughts: Use it on your computer, At the low price is worth buying, I'm satisfied!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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20 DinoPoint™ gained for this post
Bought this item on04-30-2011
- Other Thoughts: Great product for the price. I bought to be used mostly with Call of Duty style online shooters. The only thing I didn't consider before purchasing was that the sound canceling make the sound from the game more difficult to hear while the headset is on. Something to keep in mind.
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Bought this item on04-17-2011
- Other Thoughts: This has to be the best value in headphones out there when it comes to sound quality, build quality, comfort and cost. You have to spend much more to get a better headphones.
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Bought this item on04-03-2011
- Other Thoughts: Great product from an excellent brand, has a very good price
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Bought this item on03-20-2011
- Other Thoughts: Great product although takes some getting use to, when i pluged it in for the first time it wouldnt work but i guess it had to sync to the controller maybe? but after 5 minutes it worked great
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Bought this item on02-28-2011
- Other Thoughts: can be screwed up somtimes but is very good for the price. only problem i have is that i can hear the tv sometimes.
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Bought this item on02-22-2011
- Other Thoughts: For the price, it is great. The only issue I have with this product is that it really limits all other sound from penetrating.. Most importantly the game sounds! So I can hear everyone talking and that's great, but I likely won't hear the guy coming up behind me to end my kill-streak! All in all, speedy delivery and great quality/price!
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Bought this item on06-08-2009
- Other Thoughts: Just got the headset. Plug and play out of the box (Vista). Great sound too from my laptop. I have a pair of regular headphones but had to route the audio out through an amp to get adequate volume. The play great directly from the USB port.
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Bought this item on04-26-2009
- Other Thoughts: These area really good headphones,I used mine for training over the internet for a job and they are great, I like the features as far as the mute button,up and down, and the good sound quality. Great for gaming and training!
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- How do I choose which headphones to buy?
Headphones for professional use will have a different set of selection criteria than those for home or portable use. There are so many types (home, studio, portable, dynamic, electrostatic, etc.) that many people find the selection process bewildering. More so than with loudspeakers, the sound of headphones is dependent on the listener. Since headphones are worn, other factors such as comfort play an important role in the selection process. A prospective buyer should regard recommendations as no more than suggestions.
- Is there a simple way to improve in-front localization in stereo headphones?
Here is a simple no-cost trick for getting a headphone soundfield to seem more like loudspeakers in front of the listener: with supra-aural headphones, rest the earcups slightly lower and forward on the ears. With circumaural headphones, try positioning them such that the earcups push the back of the ears forward a bit. If the back of the ear lobes are pushed too far forward, you may hear a "cupping" distortion. Experiment to obtain the best localization (don't expect miracles, though).
The goal is to get the sound to enter the ears at an angle and thus engage more of the HRTFs of normal hearing. This technique works even better with a crossfeed processor (for more information about crossfeed processors, see FAQ on acoustic simulators for headphones).
- What’s a headphone amplifier?
Some headphones are designed to run from home hifi systems with a little more power than your average portable cd player or PC soundcard. Unfortunately there are many hifi cd players and amplifiers while being excellent at their primary function have a mere $2 put into the headphone circuit. A headphone amplifier is designed to drive and power headphones and headphones alone. Under driving headphones will leave them sounding flat and lacking dynamics. In many cases an underpowered pair of high end headphones will be outperformed by easier to drive low end headphones.