Fluance Ri91 Powered Tower Speakers: $800 Soundbar Killers Simplifying Hi‑Fi
Technical Specs and Design Features The Fluance Ri91 is a powered floorstanding speaker system built for both music and home theater use. Each tower houses three drivers in a 2.5-way configuration: a 28×35 mm Air Motion Transformer (AMT) tweeter for the high frequencies, plus dual 6.5″ woven glass-fiber woofers handling midrange and bass fluance.com. This driver array and an advanced Butterworth crossover yield a wide frequency range (down to ~40 Hz in bass, up to ~30 kHz in treble) with minimal distortion fluance.com. Fluance uses a built-in Class D amplifier rated at 150 W RMS total (75 W per speaker) to power the drivers,