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1 year warranty

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The multiple test winner

Handmade in unique material choices

Test winning sound design

Multi control with Ai technology

Kevlar reinforced SUPRA cable

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Please note! We only sell to EU countries.

Price 69 € Shipping fee 7.9 €
In stock black/white: no/yes

SUPRA NiTRO

Available in colors

NiTRO – Handmade

In accordance with our No Nonsense philosophy, NiTRO is made only from the best commercially available materials. Kevlar is used for cable strain relief, carbon fiber for endurance and titanium for die-hard, light weight, ear capsules. These materials, combined with advanced technology, are part of the reason why we can deliver world-class earphones, both in terms of sound, performance and quality. Put these superior materials together by hand, supervised by multiple quality steps and you will achieve unsurpassed performance – There is no mystery behind SUPRA being an approved supplier to both Swedish and American Air Force!

NiTRO – Handmade

In accordance with our No Nonsense philosophy, NiTRO is made only from the best commercially available materials. Kevlar is used for cable strain relief, carbon fiber for endurance and titanium for die-hard, light weight, ear capsules. These materials, combined with advanced technology, are part of the reason why we can deliver world-class earphones, both in terms of sound, performance and quality. Put these superior materials together by hand, supervised by multiple quality steps and you will achieve unsurpassed performance – There is no mystery behind SUPRA being an approved supplier to both Swedish and American Air Force!

Test winning sound design

NiTRO is designed comprising the latest digital technologies and incorporate our proprietary 9mm SBSD9v.1 driver tuned to favor todays smartphones and other portable devices. NiTRO thereby supports all demands for a” New generation of sound” product. NiTRO is awarded numerously and earned acknowledgements like “Earphone of the Year”, “Best in Test”, “Highly Recommended” and ” Edge Tech Earphone”.

Test winning sound design

NiTRO is designed comprising the latest digital technologies and incorporate our proprietary 9mm SBSD9v.1 driver tuned to favor todays smartphones and other portable devices. NiTRO thereby supports all demands for a” New generation of sound” product. NiTRO is awarded numerously and earned acknowledgements like “Earphone of the Year”, “Best in Test”, “Highly Recommended” and ” Edge Tech Earphone”.

Multi control with Ai technology

The patented* and proprietary remote control has an integrated AI-chip supporting virtually any mobile device with iOS, Android and Windows software. The integrated chip will detect the device software and tune itself accordingly thanks to the Auto-Detect system. Plug’n’Play in the true sense!

The digital microphone with integrated MEMS technology, is completely interference free, offers 360 degrees sound pick-up and is designed to withstand long term, frequent usage and abusive climate. Further it supports HD Voice securing crystal clear voice calls.

*patent pending

Multi control with Ai technology

The patented* and proprietary remote control has an integrated AI-chip supporting virtually any mobile device with iOS, Android and Windows software. The integrated chip will detect the device software and tune itself accordingly thanks to the Auto-Detect system. Plug’n’Play in the true sense!

The digital microphone with integrated MEMS technology, is completely interference free, offers 360 degrees sound pick-up and is designed to withstand long term, frequent usage and abusive climate. Further it supports HD Voice securing crystal clear voice calls.

*patent pending

Kevlar reinforced SUPRA cable

The so often overlooked interconnect between the earphone’s individual components is paid special attention to on each model from Sound by Sweden. The over 40 years’ cable experience from our joint co-operation, lay the very foundation for a transparent, strong and durable interconnect with exceptionally low signal degradation.

Our design is a flat, tangle-free cable, offering 7N purity copper conductors, Kevlar reinforcement for maximal strain relief, yet highly flexible cable, for best sound and long life.

Kevlar reinforced SUPRA cable

The so often overlooked interconnect between the earphone’s individual components is paid special attention to on each model from Sound by Sweden. The over 40 years’ cable experience from our joint co-operation, lay the very foundation for a transparent, strong and durable interconnect with exceptionally low signal degradation.

Our design is a flat, tangle-free cable, offering 7N purity copper conductors, Kevlar reinforcement for maximal strain relief, yet highly flexible cable, for best sound and long life.

Included accessories

  • 7 sets of silicon and foam tips for individual fit
  • Carrying case
  • Detachable grids
  • Cable clip
  • Owner’s manual

Included accessories

  • 7 sets of silicon and foam tips for individual fit
  • Carrying case
  • Detachable grids
  • Cable clip
  • Owner’s manual

Technical specifications

Driver
Proprietary 9 mm dynamic. SBS9Dv1

Frequency response
16Hz – 22KHz

Impedance
16Ohm

Sensitivity
98 dB @ 1Khz

Microphone
Proprietary integrated withDigital MEMS-teknologi och HD Voice Support

Distortion
 2%

Connector
3.5mm gold plated stereo connector, silicone reinforced

Cable
1.2m TPE isolated and Kevlar reinforced, oxygen free copper purity 7N (99.99999%)

Manual

Technical specifications

Driver
Proprietary 9 mm dynamic. SBS9Dv1

Frequency response
16Hz – 22KHz

Impedance
16Ohm

Sensitivity
98 dB @ 1Khz

Distortion
 2%

Connector
3.5mm gold plated stereo connector, silicone reinforced

Cable
1.2m TPE isolated and Kevlar reinforced, oxygen free copper purity 7N (99.99999%)

Microphone
Proprietary integrated withDigital MEMS-teknologi och HD Voice Support

Manual