The Bose AudioPack Pro S4B Add-On Bundle is an expansion kit designed to increase the coverage of an existing Bose FreeSpace AudioPack Pro system. It includes four additional Bose FreeSpace loudspeakers in black finish, making it easy to extend high-quality background and foreground music, as well as paging, into larger or adjacent areas.
Engineered for consistent sound, the included speakers deliver clear voice reproduction and rich, full-range audio with wide coverage, ensuring seamless integration with the rest of the AudioPack Pro system.
- Add-on expansion bundle for Bose AudioPack Pro systems
- Includes 4 × FreeSpace in-ceiling loudspeakers (black finish)
- Wide 140° conical coverage for even sound distribution
- Designed for background/foreground music and paging
- Seamlessly integrates with existing Bose IZA amplifiers and AudioPack Pro setups
- Available in both black (S4B) and white (S4W) versions
Performance (per speaker)
- Frequency Response: 80 Hz – 19 kHz
- Power Handling: 16 W continuous / 64 W peak
- Sensitivity: 86 dB SPL (1W/1m)
- Coverage: 140° conical
- Transformer taps: 70V/100V operation
Physical / Mechanical (per speaker)
- Dimensions (H × Ø): 20 × 29 cm (approx., varies by speaker model)
- Weight: ≈ 1.9 kg (4.2 lb) each
- Color: Black
