The is an innovative wireless speaker designed by the Swedish audio pioneer Audio Pro specifically for commercial and professional spaces like retail shops, restaurants, cafés, hotels, and modern offices. By mounting directly into standard 3-phase lighting track systems , the SP-3 eliminates complex wiring hurdles while delivering high-fidelity sound via a secure 1.9 GHz wireless frequency band. This article provides an in-depth exploration of its features, acoustic engineering, and installation architecture. Key Specifications at a Glance Specification Speaker Type Active Wireless Speaker with DSP, 2-way bass reflex Amplifier Power 2 x 25 W (Digital Class D) Drivers 4.5″ Woofer, 0.75″ Soft Dome Tweeter Frequency Range 60 – 22,000 Hz Wireless RF Band 1.9 GHz DECT (Proprietary protocol) Operational Range 20 – 100 meters (depending on conditions) Power Compatibility 110 – 240 V track systems Dimensions 155 mm x 155 mm x 240 mm Weight Revolutionary Installation: The Lighting Track System
A 4.5-inch custom woofer handles deep mid-bass frequencies, while a 0.75-inch soft dome tweeter manages crisp, transparent highs. audio pro sp3 new
: Includes a multi-adapter designed to slot into existing light tracks, drawing power directly from the rail. The is an innovative wireless speaker designed by
The wireless signal covers a distance of 20 to 100 meters depending on architectural obstacles. Key Specifications at a Glance Specification Speaker Type