Enjoy your music with this Killer Concepts Rocksteady XS speaker that features Bluetooth 3.0 technology for easy wireless streaming. The rechargeable lithium-ion battery delivers more than 10 hours of playback for extended use.


  • Bluetooth 3.0 technology
    Offers simple connection with compatible devices, including Apple® iPod®, iPhone® and iPad®, most Android devices, and most Bluetooth – enabled tablets, computers and MP3 players.
  • 3.5mm line input
    Enables connection of other MP3 players and portable audio devices with use of a 3.5mm stereo audio cable (included) for listening to your music. The speaker will not dock or charge players through use by this method.
  • Rechargeable lithium-ion battery
    Allows simultaneous playback and charging, and provides more than 10 hours of playback for extended listening.
  • Portable design
    Makes it easy to take your speaker on the go.
  • Rugged aluminum case
    Offers long-lasting use.
  • USB port
    For MP3 playback via a compatible audio device (not included).

Technical Specs

Frequency Response                  150-18000HZ
Magnetically Shielded (y or n)  Y
Marine (y or n)               Y
RMS Power (watts)         3W+3W
Subwoofer Driver (in.)    1.77 inches
Subwoofer Size (in.)     1.77inches
Tweeter Type #-way    4ohm 3W
Woofer Size (in.)     1.77inches
Number of speakers?   2 speakers plus a passive subwoofer
Impedance?    4 oumu
Peak Power?    6W
Charger: Micro USB
Play time per full charge: Over 10 hours
Bluetooth® Technology: 3.0



6 1/5″ Length
1 7/8″ Width
2 1/8″ Height
19.2 oz. Weight



For use with all Smartphone’s, laptops, tablets, or any device that supports Bluetooth®. All devices that support 3.5mm audio output.



  • Beats Pill
  • JBL Flip
  • RockSteady XS
  • Jambox
  • UE Mobile
  • Battery Life

  • 7 hr
  • 5 hr
  • over 10hr
  • up to 10 hr
  • up to 10hr
  • Volume over 90db

  • Distortion free over 85db

  • Priced under $100