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Koss

Q: Do these use same speakers as Porta Pros?

Officially, I have never seen Koss admit that Kph40 and Porta Pros have the same driver. But having both, I tested them on a Steely Dan song "Lunch with Gina" and I can't tell any difference in the sound. So I think it comes to which head band you prefer, the folding Porta Pros or the single band 40.

Q: Where can you buy a balanced cable for the KPH40 utility headphones?

Just got mine KPH40 and checked the cable. It seems that 2.5mm TRRS socket is indeed balanced, but configured in 3.5mm standard (T: R+, R: L+, R: L-, S: R-). So it's NOT compatible with 2.5mm balanced output (like FIIO BTR5) using "straight" cable. You would have to use crossed cable for this setup (haven't found one yet), or use device with 3.5mm balanced standard.

Q: Does anyone know when these will be back in stock? I would love to get a pair! :-)

I Believe these are Quite available now (compared when 1st introduced !) either through Amazon- or Koss Factory Direct.

Q: Koss should make a bluetooth ‘pendant’ for the utility series. that would be the icing. does any know of a bluetooth receiver with 2.5 mm termination?

There are none. The problem here is you need to convert the 2.5mm trrs configuration with a wire. You can get any wire which fits hd598 either balanced or unbalanced. Then only connect to a Bluetooth pendant.

Product ID: 379307046

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Details

Brand
Koss
Color
Stealth Black
Ear Placement
On Ear
Form Factor
On Ear
Impedance
60 Ohm

🎧Open-back for immersive sound

🔗Detachable 3.5mm utility cord

⚖️Ultra lightweight at 0.11 kg

Frequently Bought Together

Koss KPH40 Utility On-Ear Headphones, Detachable Interchangeable Cord System, Retro Style, Ultra Lightweight Design (Stealth Black)

YAXI EARPADS for Koss PORTAPRO (Black)

Koss KSC75 Portable On-Ear Clip Headphones, Retro Style, Ultra Lightweight, Silver and Black

Description

🎶 Elevate your sound game with retro flair and featherlight freedom!

SOFT FOAM EAR CUSHIONS - Stay comfortable during long listening sessions or intense workouts.
UNIVERSAL WIRED COMPATIBILITY - Plug into any device with 3.5mm, USB-C, or Lightning ports effortlessly.
AUDIOPHILE GRADE OPEN BACK DESIGN - Experience rich, natural sound that sets you apart from the crowd.
RETRO INSPIRED STEALTH BLACK LOOK - Turn heads with vintage vibes that scream timeless cool.
FEATHERLIGHT STAINLESS STEEL CHASSIS - Wear all day with barely-there comfort and durable style.

Koss headphones combine an open-back, on-ear design with ultra-lightweight stainless steel construction for audiophile-quality sound. Featuring soft foam cushions and a detachable 3.5mm cable, these retro-styled headphones deliver comfort and versatile wired compatibility for devices with 3.5mm, USB-C, or Lightning ports.

Specifications

Control Method	Touch
Controller Type	Wired
Control Type	Media Control
Unit Count	1.0 Count
Item Weight	0.11 Kilograms
Is Electric	No
Antenna Location	Running, Exercising
Compatible Devices	Devices with 3.5mm audio jack, USB-C port, or Lightning port
Cable Features	Detachable
Additional Features	Lightweight
Enclosure Material	Stainless Steel
Specific Uses For Product	Running, Exercising
Headphone Folding Features	On Ear
Earpiece Shape	Rounded, flat or slightly curved surface
Headphones Ear Placement	On Ear
Style Name	open-back
Theme	Retro
Color	Stealth Black
Connectivity Technology	Wired
Headphone Jack	3.5 mm Jack
Frequency Range	20 Hz - 20,000 Hz
Noise Control	None

Have a Question? See What Others Asked

Do these use same speakers as Porta Pros?

Where can you buy a balanced cable for the KPH40 utility headphones?

Does anyone know when these will be back in stock? I would love to get a pair! :-)

Koss should make a bluetooth ‘pendant’ for the utility series. that would be the icing. does any know of a bluetooth receiver with 2.5 mm termination?

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