Are these essentially the same as the KPH40?

looks like it except for the orange foam cushion. mine sound clear and bright, great midrange and presence.

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x Retrospekt P/21 Retro On-Ear Headphones, Retro Orange Foam, Adjustable Headband, Wired 3.5mm Plug, Orange Black and Silver

x Retrospekt P/21 Retro On-Ear Headphones, Retro Orange Foam, Adjustable Headband, Wired 3.5mm Plug, Orange Black and Silver

Product ID: 631809385

Details

Brand
Koss
Colour
Orange
Ear Placement
On Ear
Form Factor
On Ear
Impedance
32 Ohms

🎧30-17,000 Hz frequency range

🔊104 dB sensitivity for powerful audio

⚙️32 Ohms impedance for balanced sound

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4658112₫

Duties & taxes included

In stock

Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎧 Retro style meets sonic excellence—hear the difference, own the vibe!

OPEN BACK AUDIO FREEDOM - Hear-through design delivers expansive, natural soundstage that keeps you connected to your environment.
PLUG PLAY VERSATILITY - Universal 3.5mm wired connection compatible with all your favorite devices—no adapters needed.
BUILT TO LAST GUARANTEED - Durable metal construction backed by a limited lifetime warranty—style and substance that endure.
TAILORED FIT ALL DAY COMFORT - Adjustable stainless steel headband ensures a perfect, lightweight fit for marathon listening sessions.
VINTAGE VIBES MODERN MASTERY - Iconic retro orange foam meets cutting-edge Koss sound tech for a standout look and immersive audio.

The Koss x Retrospekt P/21 Retro On-Ear Headphones combine a nostalgic orange foam design with advanced Koss audio technology, delivering a wide 30-17,000 Hz frequency response, 32 Ohms impedance, and 104 dB sensitivity. Featuring an adjustable stainless steel headband and an open-back hear-through design, these wired headphones offer comfort, durability, and an expansive listening experience compatible with any device using a 3.5mm jack.

Specifications

ASIN	B092DX27G9
Age Range Description	Adult
Antenna Location	Calling, Gaming, Music
Audio Driver Type	Dynamic Driver
Best Sellers Rank	#486,385 in Electronics ( See Top 100 in Electronics ) #326 in On-Ear Headphones
Box Contents	Cable, Ear Cushions, Headband
Brand	Koss
Brand Name	Koss
Cable Features	Retractable
Carrying Case Material	Stainless steel
Colour	Orange
Compatible Devices	Any audio device with a 3.5mm audio jack or wireless capabilities
Control Method	Remote
Control Type	Media Control
Controller Type	Wired
Country of Origin	USA
Customer Package Type	FFP
Customer Reviews	4.5 out of 5 stars 161 Reviews
Ear Placement	On Ear
Earpiece Shape	On-Ear
Enclosure Material	Metal
Form Factor	On Ear
Frequency Range	30 Hz - 17,000 Hz
Frequency Response	17000 Hz
Headphone Form Factor	On Ear
Headphone Jack	3.5 mm Jack
Headphones Ear Placement	On Ear
Impedance	32 Ohms
Impedance Unit of Measure	32 Ohms
Is Autographed	No
Manufacturer	Koss Corporation
Model Name	Retro On-Ear Headphones
Model Number	P/21
Network Connectivity Technology	Wired
Noise Control	None
Number of Items	1
Product Features	Adjustable Headband
Sensitivity	104 dB
Specific Uses For Product	Music
Style Name	Retro
Theme	Retro
UPC	021299197639 021299196670
Unit Count	1 Count
Water Resistance Level	Not Water Resistant
Wireless Technology Type	Bluetooth

Reviews

K**H

30.07.2025

M**E

14.11.2025

D**N

15.12.2025

B**I

11.01.2025

さ**さ

26.02.2026

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