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.

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

Account Cart

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

Account Cart

Koss 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

¥20917

Duties & taxes included

In stock

Sold byAmazon JapanDelivered 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 Japan.

Secure transaction

Description

🎶 Retro style, future-ready sound — don’t just listen, experience it!

PLUG PLAY SIMPLICITY - Universal 3.5mm wired connection compatible with all your favorite devices—no Bluetooth fuss, just pure sound.
COMFORT THAT LASTS ALL DAY - Adjustable stainless steel headband and ultra-lightweight design ensure a perfect fit you’ll forget you’re wearing.
HEAR THROUGH OPEN BACK DESIGN - Experience an expansive, immersive soundstage that brings your music to life with rich bass and crisp highs.
VINTAGE VIBES MODERN CLARITY - Classic retro orange foam meets Koss’s cutting-edge sound tech for a nostalgic yet crystal-clear listening experience.
BUILT TO ENDURE BACKED FOR LIFE - Durable metal construction paired with a limited lifetime warranty means these headphones are your long-term audio companion.

The x Retrospekt P/21 Retro On-Ear Headphones combine iconic 70s-inspired design with advanced Koss audio technology, delivering a frequency response of 30-17,000 Hz, 32 Ohms impedance, and 104 dB sensitivity. Featuring an adjustable stainless steel headband, a hear-through open-back design, and a universal 3.5mm wired connection, these lightweight headphones offer both comfort and immersive sound quality, backed by a limited lifetime warranty.

Specifications

ASIN	B092DX27G9
Age Range Description	Adult
Antenna Location	Calling, Gaming, Music
Audio Driver Type	Dynamic Driver
Best Sellers Rank	#627,283 in Electronics ( See Top 100 in Electronics ) #392 in On-Ear Headphones
Box Contents	Cable, Ear Cushions, Headband
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 4.5 out of 5 stars (166)
Earpiece Shape	On-Ear
Enclosure Material	Metal
Frequency Range	30 Hz - 17,000 Hz
Frequency Response	17000 Hz
Generation	1
Hardware Interface	3.5mm Audio
Headphone Form Factor	On Ear
Headphone Jack	3.5 mm Jack
Headphones Ear Placement	On Ear
Impedance Unit of Measure	32 Ohms
Input-Device Interface	Audio jack
Is Autographed	No
Manufacturer	Koss Corporation
Manufacturer Part Number	P21
Model Name	Retro On-Ear Headphones
Model Number	P/21
Network Connectivity Technology	Wired
Noise Control	None
Number of Items	1
Number of Packs	1
Product Features	Adjustable Headband
Sensitivity	104 dB
Specific Uses For Product	Music
Style Name	Retro
Theme	Retro
UPC	021299197639 021299196670
Water Resistance Level	Not Water Resistant
Wireless Technology Type	Bluetooth

Common Questions

Are the products genuine and authentic?+

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.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

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.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Zainab N.

Fantastic and great service. Shipping was faster than expected.

1 week ago

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.