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Black on-ear headphones with collapsible over-the-head frame

Koss

Koss Recovery On-Ear Headphones Black 32 ohms 94 dB 3.5mm

SKU CH-BW31-S3JQC

Lightweight on-ear headphones with dynamic elements, collapsible design and 3.5 mm connector for portable listening

  • TypeHeadphone
  • Frequency Response80Hz-20KHz
  • Input Impedance32 ohms
  • Sensitivity94 dB SPL
  • Connector3.5mm
  • Ear CouplingOn-Ear
  • Lightweight at 0.35 kg for comfortable all-day wear
  • Collapsible design folds flat for easy travel storage
  • Dynamic elements deliver extended 80 Hz – 20 kHz frequency response
  • 32-ohm impedance suits portable devices without extra amplification
  • 5 mm connector provides universal wired compatibility

On-Ear Headphones for Active Listeners

The Koss Recovery is a lightweight on-ear headphone built for people who move through the day with music. It folds flat for easy storage in a bag or pocket. The over-the-head design stays secure during commutes or travel. Dynamic elements drive an extended frequency response from 80Hz to 20KHz.

Wired Connection With No Battery Needed

A 3.5mm plug connects directly to phones, laptops or portable players without pairing or charging. The four-foot cable reaches a device in a pocket or on a desk. At 32 ohms impedance and 94 dB sensitivity, the headphones play at satisfying volume from low-power sources. Passive operation means zero latency and no power draw.

3.5mm Jack Compatibility Is the Deciding Factor

This model only works with devices that provide a 3.5mm headphone output or a compatible adapter. Buyers whose hardware relies solely on USB-C, Lightning or wireless audio cannot use these headphones without an extra dongle. The collapsible frame and light weight suit travel, but the wired connector defines the use case.

Highlights

  • Lightweight at 0.35 kg for comfortable all-day wear
  • Collapsible design folds flat for easy travel storage
  • Dynamic elements deliver extended 80 Hz – 20 kHz frequency response
  • 32-ohm impedance suits portable devices without extra amplification
  • 5 mm connector provides universal wired compatibility

Specifications

BrandKOSS
ModelRecovery (Black)
TypeHeadphone
Frequency Response80Hz-20KHz
Input Impedance32 ohms
Sensitivity94 dB SPL
Connector3.5mm
Ear CouplingOn-Ear
Cord Length4 ft.
Weight0.35
FeaturesLightweight and portable for Active Lifestyles
Equipped with dynamic elements for extended frequency response
Collapsible design for maximum portability and storage
Over-the-head design with contemporary styling
Perfect for use with portable MP3 players and iPods
Includes a straight, single-entry cord with inline volume control
Shipping weight0.14 kg
Package size254 × 184 × 38 mm

Questions about this item

How do I connect the 3.5mm plug without damaging the jack?

Insert the straight 3.5mm connector fully into the source device until it clicks; the four-foot cord gives enough slack to avoid pulling the port sideways.

Which part of the Recovery headphones wears out first and how do I replace it?

The foam ear cushions compress over time; peel off the old pads and press new on-ear cushions onto the driver housings.

At what volume level does the 94 dB sensitivity hit its distortion limit during long sessions?

The 32 ohm dynamic drivers stay clean up to typical portable-player maximum output; beyond that the open-back design leaks sound before audible clipping occurs.

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