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Availability: Out of stock

Regular Price: $299.99

Special Price: $49.99

The precision sound and iconic design of Definitive Technology are now available in a convenient, portable Bluetooth speaker.


The precision sound and iconic design of Definitive Technology are now available in a convenient, portable Bluetooth speaker. A powerful built-in active woofer and advanced digital signal processing bring you the very best sounding tablet speaker on the planet. Aluminum and Magnesium alloy construction make it beautiful, luxurious and ultra-durable. The retractable kickstand makes it easy to use.

Amazing 2.1 Sound

The audio device that dynamically upgrades your tablet’s sound has arrived—Definitive Technology’s Sound Cylinder wireless Bluetooth speaker system.  Your tablet, lap-top, or smart phone gives you a great-looking picture; Definitive’s Sound Cylinder adds stunning, high performance audio from a compact, stylish 2.1 speaker system.  Separate left and right speakers are optimized by an internal Digital Signal Processor to create stereo music with clear separation for a life-like soundstage that extends beyond the compact dimensions of the cylinder. A powerful, built-in, active woofer adds rich, warm bass.  Your favorite music and soundtracks come alive, wherever you choose to enjoy them. 

Ergonomic Design

Sound Cylinder clamps securely to just about any 10” or 7” tablet and many laptops. The Magnesium alloy clamp arms are super strong but their rubber slipcovers are gentle on your precious equipment. The retractable kickstand system holds your tablet upright in landscape or portrait orientation for hours of fatigue-free, wireless listening pleasure. Cylinder is fabricated from the finest materials including Aluminum and Magnesium alloys to make it beautiful, luxurious and ultra-durable.


  • Convenient Bluetooth connectivity
  • Enjoy high performance sound with any Bluetooth enabled mobile device
  • Conveniently and securely clamps to most tablets, mini-tablets, and many laptops
  • Surround Array imaging technology frees the sound from the Cylinder for lifelike sound
  • A 2.1 channel bi-amplified audio system, for consistently superior music quality
  • Two front-firing 32 mm midrange/high frequency drivers provide high definition clarity
  • Side-firing 43 mm woofer driver, for rich, warm bass sound
  • 10-hour battery life*, rechargeable via micro USB
  • 3.5 mm audio input jack for connection to any non-Bluetooth audio source with analog output (headphone jack)
  • Rugged aluminum / magnesium alloy construction; beautiful, durable and long-lasting
  • Built-in kickstand holds your tablet at the ideal angle, for fatigue-free viewing / listening

Technical Specifications

Driver Complement

System Array
Type 2.1 Active Surround Array 
Full Range
Size Class 33 mm 
Type Composite 
Size Class 43 mm 
Type Side Firing High Excursion 



I/O Buttons
Location Side Mounted 
Functions Power Toggle; Volume Increase; Volume Decrease 
Indicator LED (Blue and Red) 
LED Indicator
Power On Blue (Solid) 
Low Battery / Charging Red (Flashing) 
Minimum / Maximum Volume Blue (Three Flashes)



Type Polymer Lithium Ion 
Life 10 Hours* (Varies with Volume Level) 
Charging Port Micro USB 
Wireless Capability
Protocol Bluetooth 
Range 10 m (33 ft) 
Audio Inputs
Stereo Line Level 3.5 mm Stereo Mini 
Output Level
@ 1 meter 85 dBa 
Total Frequency Response
Overall 60 Hz - 20 kHz 



Internal Amplifier
Power 8 watts
Type Class D 
Power Cycle
Automatic Shut Off 10 Minutes with No Signal 
Power Requirements
US 110 volts A/C (with Included Adapter) 
USB 5 volts @ 1 amp 



Orientation Clamp to Monitor; Base for Tablet (Horizontal or Vertical); Clampstand; Kickstand 
Product Weight
Sound Cylinder Only 340 g (0.75 lbs) 



Sound Cylinder Dimensions
Height with Clamp 48 mm 
Width 190 mm 
Depth (Kickstand Folded) 48 mm 
Depth (Kickstand Extended) 77 mm 
Kickstand and Clamp Injection Molded Magnesium Alloy 
Grill Custom Perforated Aluminum

• Definitive Sound Cylinder Wireless Bluetooth 2.1 Ch Speaker 
• USB AC Adapter
• USB Micro Cable
• Stereo Mini to Stereo Mini Cable
• Microfiber Carry Bag

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