--- title: Powered Speaker Comparison description: "Powered Speakers help: How are Ri71 and Ri91 different from Ai61 and Ai81. Official Fluance support." --- [Skip to content](https://support.fluance.com/s/article/how-are-ri71-and-ri91-different-from-ai61-and-ai81#main-content) [![Fluance Logo White](https://support.fluance.com/hs-fs/hubfs/Fluance%20Logo%20White.png?width=189&height=25&name=Fluance%20Logo%20White.png)](https://www.fluance.com/) - TURNTABLES Show submenu for TURNTABLES - [Turntables](https://www.fluance.com/tt/turntables) - [Turntable Speaker Systems](https://www.fluance.com/tt/turntable-speaker-systems) - [Turntable Accesories](https://www.fluance.com/tt/turntable-accessories) - [POWERED SPEAKERS](https://www.fluance.com/powered-bookshelf-floorstanding-speakers) - HOME AUDIO Show submenu for HOME AUDIO - [Home Theater Systems](https://www.fluance.com/home-audio/home-theater-systems) - [Floorstanding](https://www.fluance.com/home-audio/floorstanding-speakers) - [Bookshelf, Surround & Bipolar](https://www.fluance.com/home-audio/bookshelf-surround-bipolar-speakers) - [Center Channel](https://www.fluance.com/home-audio/center-channel-speaker) - [Subwoofers](https://www.fluance.com/home-audio/subwoofer) - [Accessories](https://www.fluance.com/home-audio/accessories) - [OUR STORY](https://www.fluance.com/about) - [BLOG](https://www.fluance.com/blog) Open main navigation Close main navigation - TURNTABLES Show submenu for TURNTABLES - [Turntables](https://www.fluance.com/tt/turntables) - [Turntable Speaker Systems](https://www.fluance.com/tt/turntable-speaker-systems) - [Turntable Accesories](https://www.fluance.com/tt/turntable-accessories) - [POWERED SPEAKERS](https://www.fluance.com/powered-bookshelf-floorstanding-speakers) - HOME AUDIO Show submenu for HOME AUDIO - [Home Theater Systems](https://www.fluance.com/home-audio/home-theater-systems) - [Floorstanding](https://www.fluance.com/home-audio/floorstanding-speakers) - [Bookshelf, Surround & Bipolar](https://www.fluance.com/home-audio/bookshelf-surround-bipolar-speakers) - [Center Channel](https://www.fluance.com/home-audio/center-channel-speaker) - [Subwoofers](https://www.fluance.com/home-audio/subwoofer) - [Accessories](https://www.fluance.com/home-audio/accessories) - [OUR STORY](https://www.fluance.com/about) - [BLOG](https://www.fluance.com/blog) - - [Contact Us](https://support.fluance.com/s/kb-tickets/new) [Contact Us](https://support.fluance.com/s/kb-tickets/new?hsLang=en) YOUR GUIDE TO THE ULTIMATE AUDIO EXPERIENCE - There are no suggestions because the search field is empty. 1. 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[Powered Speaker Set Up](https://support.fluance.com/s/powered-speakers?hsLang=en#powered-speaker-set-up) # Powered Speaker Comparison   | **Bookshelf Speakers** | **![Ai41](https://support.fluance.com/hs-fs/hubfs/Ai41.png?width=170&height=170&name=Ai41.png)** **Ai41** | **![Ai61](https://support.fluance.com/hs-fs/hubfs/Ai61.png?width=170&height=170&name=Ai61.png)** **Ai61** | **![Ri71](https://support.fluance.com/hs-fs/hubfs/Ri71.png?width=170&height=170&name=Ri71.png)** **Ri71** | | --- | --- | --- | --- | | **Power** | Class D 90 Watts Continuous Average Output (2x 45 watts RMS) | Class D 120 Watts Continuous Average Output (2x 60 watts RMS) | Class D 120 Watts Continuous Average Output (2x 60 watts RMS) | | **Tweeter** | 1 inch Silk Soft Dome Neodymium Ferrofluid Cooled | 1 inch Silk Soft Dome Neodymium Ferrofluid Cooled | 28x35mm AMT (Air Motion Transformer) | | **Woofer** | 5 inch Woven, Glass Fiber Composite Driver with Butyl Rubber Surrounds | 6.5 inch Woven, Glass Fiber Composite Drivers with Butyl Rubber Surrounds | 5.25 inch Woven, Glass Fiber Composite Drivers with Butyl Rubber Surrounds | | **Frequency Response** | 35 Hz – 20 kHz (DSP Enhanced) | 32 Hz - 20 kHz (DSP Enhanced) | 46 Hz - 30 kHz (DSP Enhanced) | | **Connections** | RCA, Bluetooth, Optical, Subwoofer Output | RCA, Bluetooth, Optical, USB-C, Subwoofer Output | RCA, Bluetooth 5.0 aptX HD, HDMI ARC, Subwoofer Output | | **Dimensions** | HxWxD 10.9" x 6.5" x 7.6" 27.7 x 16.5 x 19.3 cm | HxWxD 13.1" x 7.8" x 9.2" 33.3 x 19.8 x 23.4 cm | HxWxD 12.20" x 7.28" x 7.83" 31.0 x 18.5 x 19.9 cm |   | **Floorstanding Speakers** | **![Ai81](https://support.fluance.com/hs-fs/hubfs/Ai81.jpg?width=166&height=246&name=Ai81.jpg) Ai81** | **![Ri91](https://support.fluance.com/hs-fs/hubfs/Ri91.jpg?width=136&height=242&name=Ri91.jpg) Ri91** | | --- | --- | --- | | **Power** | Class D 150 Watts Continuous Average Output (2x 75 Watts RMS) | Class D 150 Watts Continuous Average Output (2x 75 Watts RMS) | | **Tweeter** | 1 inch Silk Soft Dome Neodymium Ferrofluid Cooled | 28x35mm AMT (Air Motion Transformer) | | **Woofer** | Dual 6.5 inch Woven, Glass Fiber Composite Drivers with Butyl Rubber Surrounds | Dual 6.5 inch Woven, Glass Fiber Composite Drivers with Butyl Rubber Surrounds | | **Frequency Response** | 30Hz-20kHz (DSP Enhanced) | 40 Hz-30 Hz (DSP Enhanced) | | **Connections** | RCA x2, Bluetooth, Optical, Subwoofer Output | RCA L/R,  Bluetooth 5.0 aptX HD, HDMI ARC, Subwoofer Output | | **Dimensions** | (HxWxD) feet installed  37.8" x 8.50" x 10.24" 96 x 21.6 x 26 cm | (HxWxD) feet installed   41.73 x 8.5 x 10.24" 106.0 x 21.6 x 26.0 cm |   - 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