Weighing only 103 grams, the headphones are km5 Hp1 Extremely lightweight, making them comfortable to wear all day long. Their slim, polished steel headband and easily replaceable magnetic ear cushions let you customize the headphones to your personal style. They come in black and white, with additional colored cushions for even more customization.

Sound: purity and power km5 Hp1

The HP1 headphones are equipped with 40mm drivers that deliver clear and rich sound across the entire frequency spectrum. They support Bluetooth 5.4 connectivity and SBC, AAC and LE Audio codecs, enabling high-quality wireless audio transmission. For those looking for uncompromising quality, there is also a wired connection option via USB-C, supporting playback up to 24-bit/96 kHz.

Advanced features: active noise cancellation and transparency mode

Despite their open design, the km5 Hp1 headphones offer active noise cancellation (ANC) that effectively reduces external noise. Transparency mode allows you to hear your surroundings without removing the headphones, ideal for urban environments and everyday use.

Battery: long-lasting use

The headphones offer up to 24 hours of continuous playback on a single charge, with a charging time of approximately three hours. Each earcup has its own battery, meaning each side needs to be charged separately.

Price and availability

The km5 Hp1 headphones are available for around €179 ($189 USD / 22,000 JPY) and can be pre-ordered via the official km5 website.

Specifications – km5 Hp1

• Model: HP1 Lightwear Headphones
• Type: On-ear
• Weight: 103g
• Drivers: 40mm
• Connectivity: Bluetooth 5.4, USB-C
• Codecs: SBC, AAC, LE Audio
• Functions: Active noise cancellation, transparency mode
• Battery: Up to 24 hours of playtime, 3 hours of charging
• The price: approximately €179 (USD189 / JPY22,000)

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Conclusion: km5 Hp1

The km5 Hp1 headphones are more than just a modern homage to nostalgia — they are a manifesto of the philosophy that music is more than just sound; it is an experience that we can wear. As with their previous product, the Instant Disk CP1 transparent CD player, designed in collaboration with Japanese icon BEAMS, km5 proves that they can create products that respect the past and don’t just stay stuck in time, but rather reshape it.

In this light, the HP1 is not just a throwback to the days when Walkmans ruled the streets, but also a confident statement that aesthetics and advanced technology can coexist without compromise. In a world where wireless headphones are often too anonymous and standardized, the KM5 offers something that is at once individual, technically sophisticated and artistically rounded.

If the Instant Disk CP1 was a breath of fresh air in the streaming age for fans of physical media, then the HP1 headphones similarly bring ease, sonic sophistication, and style to those who not only listen to music, but also live it.