Bose AudioPack Pro S4W White Commercial Audio System with FreeSpace FS4SE Speakers and IZA 250-LZ Amplifier (8751000467)

Deliver clear background music and paging in commercial spaces with this complete audio package, featuring four 4.5-inch surface-mount speakers and a 2x50W amplifier with Opti-voice paging.

Overview

The Bose AudioPack Pro S4W combines four FreeSpace FS4SE loudspeakers with the FreeSpace IZA 250-LZ integrated zone amplifier. The speakers provide 125° conical coverage and are rated IP55 for outdoor use, while the amplifier delivers 2 x 50 watts into 4 ohms with DSP features including Opti-voice paging, Dynamic EQ, and auto-standby. The system operates in low-impedance mode and is finished in white.

What stands out

• Four surface-mount speakers with 4.5-inch full-range drivers and 50W RMS power handling each.
• Amplifier with 2 x 50W output, mic/line and line inputs, and DSP for clear paging.
• IP55-rated speakers for outdoor or damp environments.
• 125° conical coverage for broad, even sound distribution.

Technical details

• System type: Commercial audio system package
• Included speakers: 4x Bose FreeSpace FS4SE surface-mount loudspeakers
• Included amplifier: 1x Bose FreeSpace IZA 250-LZ integrated zone amplifier
• Speaker driver size: 4.5-inch (114 mm)
• Speaker frequency response (-3 dB): 80 Hz – 17 kHz
• Speaker power handling (RMS): 50 W per speaker
• Speaker nominal impedance: 8 Ohms per speaker
• Speaker coverage angle (conical): 125°
• Speaker environmental rating: IP55
• Amplifier output power: 2 x 50 W @ 4 Ohms
• Amplifier channels: 2
• Amplifier inputs: 1x Mic/Line (XLR/TRS combo), 2x Line (RCA), 1x Aux (3.5mm)
• Amplifier DSP features: Opti-voice paging, Dynamic EQ, Auto-standby
• System connectivity: Low Impedance (Low-Z)
• Color: White

Our verdict

A turnkey solution for retail, restaurants, and offices needing reliable background music and paging with outdoor-capable speakers.