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Hassle-free shopping with our 30-day return policy.
Trusted since 2012 — Greentoe is where smart shoppers save big!
Trusted since 2012 — Greentoe is where smart shoppers save big!
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4050 offers placed in the last 24 hours.
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Brand new & warranty-backed products from authorized retailers.
Name your price. Negotiate your deal. Save big on every purchase.
Name your price. Negotiate your deal. Save big on every purchase.
Hassle-free shopping with our 30-day return policy.
Hassle-free shopping with our 30-day return policy.
Trusted since 2012 — Greentoe is where smart shoppers save big!
Trusted since 2012 — Greentoe is where smart shoppers save big!
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Fosi Audio i5 Open-Back Planar Magnetic Headphones
Model: I5
1/11
Fosi Audio i5 Open-Back Planar Magnetic Headphones
Model: I5
Make an Offer!MSRP:
$589.99
Responses in minutes
Fast shipping
- For Audiophiles and Critical Listening
- Neodymium Planar Magnetic Transducers
- 97mm Drivers with Protein Leather Earpad
- 10 Hz to 50 kHz Frequency Response
- Memory-Steel Headband
- Dual-Axis Earmuff Arms for Precise Fit
- Walnut Wood Chambers with Aluminum Frame
- Includes 3.5mm Cable and 1/4" Adapter
- Fosi Audio i5 Open-Back Planar Magnetic Headphones
- 1/4" Adapter
- Dual 3.5mm TRS to 3.5mm TRS Cable
- Limited 2-Year Manufacturer Warranty
Authorized RetailersManufacturer warranty included
New Products OnlyWe never sell used merchandise
Free ShippingOn most items
30 Days Returns*Minimum return policy
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View Article“An E-Commerce Site Where You Can Haggle Down The Price”
View Article“Consumer Reporter Lynda Baquero shows a website where you can bid on the items you want, from the manufacturer of choice, and known within a day or two if your offer is accepted.”
View Article“Greentoe wants to make the buying process easier by letting you name the price you want to pay for an item, and then they'll find a bargain on your behalf...”
View Article“Name Your Price for Gadgets on New 'Priceline for Tech' Site”
View Article“I don’t say this often, but there’s a new app that just might dramatically change the way you shop, and it’s called Greentoe.”
View Article“More Retailers See Haggling as a Price of Doing Business. ”
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Reviewer2331278360
5/5
Easy Peasy
"It took less than 5 minutes to find the product, create account, and make the payment. Easiest purchase ever and i saved $500!"View article
swperk
5/5
Great selection, great prices, fast shipping!
"I found just the TV I was looking for at the best price! Easy to make the purchase, and the TV is brand new with a full factory warranty. Shipping was lightning-fast and the TV shipping box was packed inside another box, so it arrived in perfect condition. Highly recommended!"View article
1ezbuyer
5/5
Great Prices and Great Experience
"I’ve purchased two TVs through Greentoe, and both experiences have been excellent. Best prices I could find anywhere, and both TVs were delivered right to my door without any issues.
My only mistake was forgetting that Greentoe offers a lot more than just TVs! I recently purchased applioances elsewhere and afterward realized I should have checked Greentoe first.
Greentoe will definitely be one of the first places I check before making a major purchase. Let's get the word out, and let the free market dictate prices. Craig Barton Scottsdale AZ"View article
Reviewer3863939974
5/5
Leary at first, but...
"I had not used or heard about Greentoe. I checked their reputation online before ordering an expensive Christmas gift. I saved 34% from best in-person price at retailers. The item arrived when and as described. Happy customer. Will use again."View article
Reviewer1661460878
5/5
Smoked
"Stumbled across this site, checked it out to see if it was legit, and Voilà I bit the bullet."View article
Reviewer4137920598
5/5
Finally!
"Been wanting this TV for so long but it was always just slightly over my budget. Greentoe helped me get there!"View article
Scaminjs
5/5
The only way to buy a TV
"Bought three TVs now and will come back every time"View article
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5/5
Superfast savincash
"Exactly like the title- buddy turned me onto you guys. seems pretty bad-a! Killer business model! Welcome to the 21st century!"View article
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5/5
Best price!
"Placing my order for a new Samsung 43” frame tv was quick and easy. Plus I saved $100!"View article
GreatDeal2026
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Smokin Football Season
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5/5
ImchillinwithGreentoe
"I was looking me dream fridge and you guys had it at a price I could afford!!!!! Thanks SO much!"View article
Reviewer3707316049
5/5
Best price, easy process.
"I randomly found this site when something for a new bulova watch I wanted, and it was the lowest price I had seen. The checkout was easy. I couldn't ask for better."View article
KarenP193703804
5/5
Very pleased
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Reviewer1947189363
5/5
Like ebay but better!
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Reviewer325911081
5/5
Blowing the budget cause these deals are amazing
"Got a top tier sound bar and TV for the price I was going to get just the tv. Awesome Site!"View article
Kevybean04
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Best price, Brand New amd easy to oder
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JasGod
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Reviewer116527698
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Turntable Treasure
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5/5
Great deal!
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Reviewer1985157698
5/5
Easy process and great price
"Simple shopping and amazing pricing "View article
Reviewer1847861951
5/5
OMG Green toe rocks
"I did not have the money to buy this TV at the retail price of $2700. Thank you for offering this service. Now i can watch TV after 6 months. My current TV burned out 6 months ago"View article
Reviewer1655329426
5/5
Easy!
"Great price and easy to use. Will definitely buy from again. "View article
DealMaker1217344194
5/5
More like DealToe Now
"I’ve been shopping for a soundbar/ surround sound that I wanted and found it as a Greentoe Now offer. I had already made an offer that was countered at $962. Thought I’d take one more look and found this Greentoe Now deal and after tax came back at $878.****. Great deal!"View article
Reviewer2331278360
5/5
Easy Peasy
"It took less than 5 minutes to find the product, create account, and make the payment. Easiest purchase ever and i saved $500!"View article
swperk
5/5
Great selection, great prices, fast shipping!
"I found just the TV I was looking for at the best price! Easy to make the purchase, and the TV is brand new with a full factory warranty. Shipping was lightning-fast and the TV shipping box was packed inside another box, so it arrived in perfect condition. Highly recommended!"View article
Specifications
Physical
| Dimensions | 9.4 x 6.3 x 4.5" / 24 x 16 x 11.5 cm |
|---|---|
| Color | Black |
Microphone
| Built-In Mic | No |
|---|
Key Specs
| Active Noise Cancellation | No |
|---|---|
| Frequency Response | 10 Hz to 50 Hz |
| Built-In Mic | No |
| Audio Connector | 1x 1/8" / 3.5 mm TRS |
| Included Adapter | 1/4" TRS |
| Wearing Style | Dual Ear with Headband |
| Open/Closed-Back | Open-Back |
| Impedance | 28 Ohms |
Headphone
| Wearing Style | Dual Ear with Headband |
|---|---|
| Driver Type | Planar |
| Driver Size | 3.8" / 97 mm |
| Impedance | 28 Ohms |
| Active Noise Cancellation | No |
| Frequency Response | 10 Hz to 50 Hz |
| Sensitivity | 98 dB/mW at 1 kHz |
| Maximum Sound Pressure Level (SPL) | 120 dB |
| Maximum Power Handling | 500 mW |
| Volume Limiting / Child-Safe | No |
| Built-In Controls | No |
| Open/Closed-Back | Open-Back |
| Earpiece Design | Over-Ear (Circumaural) |
| Sound Field | Stereo |
Connectivity
| Cable Design | Detachable |
|---|---|
| Wired Audio Connector | 1x 1/8" / 3.5 mm TRS |
| Included Adapter | 1/4" TRS |
Product Highlights
- For Audiophiles and Critical Listening
- Neodymium Planar Magnetic Transducers
- 97mm Drivers with Protein Leather Earpad
- 10 Hz to 50 kHz Frequency Response
- Memory-Steel Headband
- Dual-Axis Earmuff Arms for Precise Fit
- Walnut Wood Chambers with Aluminum Frame
- Includes 3.5mm Cable and 1/4" Adapter
In The Box
- Fosi Audio i5 Open-Back Planar Magnetic Headphones
- 1/4" Adapter
- Dual 3.5mm TRS to 3.5mm TRS Cable
- Limited 2-Year Manufacturer Warranty