In the box is says Lifetime warrenty, is that correct?

In the UK the lifetime warranty is honoured by Hama UK. You need to return the item at your own cost and pay £5 for return postage and handling. I just returned my headphones for the second time in 9 years - first time the plug became temperamental and this time one of the units stopped working. They don't repair, they send replacement.

Are these headphones suitable for heavy metal music (thrash/progressive metal in particular)?

Hi ElvenLord : Sorry, I'm too old to give a specific answer for that genre. I can report on excellent results with old school such as Dark Side of the Moon and Tangerine Dream "The Sorcerer" but make sure your playback has a graphic equaliser app or feature. Also be aware that the range of size headband adjustment is ok but not marvellous.

Do I get the Koss lifetime warranty, if i buy these from you as oppose to the home site?

Hama offer repairs in the UK and will do it under the lifetime warranty... I think you just need proof of purchase and a £5 handling charge

are these suitable for a kindle fire?

Yes they work fine with my own kindle fire hd (2nd generation) as they both use 3.5mm stereo jack. This also means they will support most devices such as MP3 players and mobile phones.

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Koss "Porta Pro" Stereophones (3.5 mm Jack) for iPhone/iPad/iPod/MP3 Players/Samsung/Smartphones - Black | Silver

Koss "Porta Pro" Stereophones (3.5 mm Jack) for iPhone/iPad/iPod/MP3 Players/Samsung/Smartphones - Black | Silver

Product ID: 48335941

Details

Brand
Koss
Colour
Black/Silver
Connectivity technology
Wired
Ear placement
On Ear
Form factor
On Ear
Headphone jack
3.5 mm Jack

🎧Dynamic 20Hz-20kHz sound

🔄Retractable cable for tangle-free use

🎚️On-ear volume control

₱7574

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Description

🎧 Elevate your everyday sound—classic style meets modern convenience!

EFFORTLESS CONTROL - Integrated wired volume control lets you adjust your sound without reaching for your device—stay in the moment.
LIGHTWEIGHT COMFORT - At just 181g with ergonomic on-ear cups, enjoy hours of comfortable listening without fatigue.
ICONIC SOUND CLARITY - Experience rich, dynamic audio with a full 20Hz to 20kHz frequency range that brings your playlists to life.
TANGLE FREE CONVENIENCE - Retractable cable design means no more frustrating knots—just effortless portability and storage.
SEAMLESS DEVICE COMPATIBILITY - Universal 3.5mm jack works flawlessly with iPhone, Samsung, MP3 players, and more—plug in and play instantly.

The Koss Porta Pro Stereophones deliver legendary dynamic sound with a wide 20Hz-20kHz frequency range through a comfortable on-ear design. Featuring a retractable cable and wired volume control, these headphones offer universal 3.5mm compatibility for seamless use across smartphones and MP3 players. Lightweight and portable, they combine timeless audio quality with practical features for the discerning listener.

Specifications

ASIN	B00001P4ZH
Age Range Description	Adult
Antenna Location	Indoor/Outdoor
Audio Driver Type	Dynamic Driver
Best Sellers Rank	537 in Headphones & Earphones 1,051 in Portable Sound & Vision Accessories
Box Contents	earbuds
Brand	Koss
Brand Name	Koss
Cable Features	Retractable
Carrying Case Material	Cardboard
Colour	Black/Silver
Compatible Devices	[Wide Range of] Compatible Devices
Control Method	Touch
Control Type	Volume Control
Controller Type	wired controller
Customer Package Type	Standard Packaging
Customer Reviews	4.4 out of 5 stars 14,229 Reviews
Ear placement	On Ear
Earpiece Shape	over_ear_cups
Enclosure Material	Plastic
Form factor	On Ear
Frequency Range	20 Hz - 20,000 Hz
Global Trade Identification Number	00021299147764, 00719040115079, 04007249270429
Headphone Form Factor	On Ear
Headphone Jack	3.5 mm Jack
Headphones Ear Placement	On Ear
Impedance	60 Ohms
Is Autographed	No
Item Weight	181 g
Manufacturer	Koss
Model Name	Porta Pro
Model Number	6303157
Network Connectivity Technology	Wired
Noise Control	None
Noise control	None
Number of Items	1
Product Features	Wired
Sensitivity	60 Ohm
Specific Uses For Product	listening to music
Style Name	Porta Pro
UPC	719040115079 021299147764 212991477642 021299101384
Unit Count	1.0 count
Water Resistance Level	Not Water Resistant
Wireless Technology Type	Bluetooth

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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₱7574

Duties & taxes included

In stock

Sold byAmazon PhilippinesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Philippines.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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