The RIVA Difference! Trillium™ is ADX’s™ proprietary audio technology that enlarges audio image while allowing the signal power of the audio to be reproduced without excessive compression. This means you get truly immersive sound and clear, powerful bass to fill your room.


RIVA’s multidimensional surround sound intensifies and expands the audio-visual experience of movies, video games, TV and more! Trillium™ Surround, when coupled with our Trillium™ audio technology, delivers an even wider sound field that places you in the center of your favorite multimedia adventures.


RIVA designed S’ audio utilizing components more typically found in professional audio systems to deliver epic audio quality in a mobile package.

  • 25 watts RMS of power…Highest in Class
  • Seven custom ADX™ transducers that reproduce more of the musical spectrum than any comparable product
  • Truly immersive sound with our proprietary Trillium™ technology
  • Proprietary discrete 3-channel amplifiers with advanced digital signal processing to maximize audio quality

Utilizing the world’s best components, we have designed the RIVA S for on-the-go lifestyles. RIVA S’ slim design slips into your purse, backpack or laptop bag without weighing you down, is IPX3 water resistant, and showcases LED accent lighting and cap sense touch buttons.

* RIVA Turbo X Design is Patent Pending.


Imagine all of the audio you can experience on-the-go in 14+ hours! This powerful battery not only has a robust charge life but allows you to charge your phone, tablet or other devices wherever and whenever you need it.


Dual microphones with noise and echo cancellation processing technology improve audio quality during conference calls, delivering crystal clear voice. In addition, RIVA S’ automatic teleconferencing EQ setting maximizes the mid range to deliver the best voicing. 


RIVA S is more than just a mobile speaker; we provide more inputs for you to enjoy more content. 

  • Auxiliary 3.5 mm Input
  • Type A USB Data Connector for Charge Out
  • Micro-USB Type B for Software Updates
  • 9V DC Power Connector

The RIVA mobile app allows you to control your RIVA S directly from your phone or tablet. All cap touch functions from the S are replicated in the Ground Control App giving you… True “Ground Control.” Available for iOS or Android™.

Features, specifications and appearance are subject to change without notice.


Speakers: Three 40 mm full range custom ADX™ drivers
Amplifier Power: 25 watts RMS
Remote Control App: Yes, RIVA S Ground Control
Dimensions: 190 mm (7.5 in) L X 64 mm
(2.5 in) W X 65 mm (2.6 in) H
Weight: 1.4 lb (.64 kg)
Speakerphone: Dual Microphones with Noise & Echo Canceling Technology 
Bluetooth Range: 33 ft
Audio Codecs Supported: SBC, AAC, aptX®
Surround Sound: ADX Trillium™ Surround
Proximity Sensing: Yes
Two Turbo Sync: TrueWireless™
Battery Playing Time: 14+ Hours

The RIVA S Ground Control app gives you the freedom to remotely control your S directly from your phone or tablet. Free download available for iOS and Android™ at the App Store℠ or Google Play™. 

  • Control Volume Up, Down and Mute
  • Control Trillium™ Surround Mode
  • Play, Pause, Forward or Reverse Music Selections
  • Monitor Battery Life
  • Manage Audio Prompts
  • Change App Background Color
  • RIVA S Bluetooth Wireless Speaker
  • External Power Supply
  • 70″ 3.5 mm to RCA Connector
  • 48” 3.5 mm to 3.5 mm Connector
  • Splash-Resistant I/O Cover
  • Carrying Case
  • User Guide