Low-frequency loudspeaker designed for indoor permanent installations. The 502 B loudspeaker features patented Acoustimass® speaker technology to deliver non-localizable bass to 45 Hz.

For indoor applications only.

Single 12" (305 mm) woofer with Bose® patented Acoustimass® speaker technology, which reduces audible distortion and delivers non-localized bass

450 W long-term and 1800 W peak power rating

Integrated suspension inserts allow easy permanent installations with optional rigging accessories

Engineered to match acoustically with the Panaray 502 A speaker systems

Technical Summary

Frequency Response (+/-3 dB) 

50 Hz - 140 Hz

Frequency Range (-10 dB) 

45 Hz - 160 Hz

Nominal Dispersion 

Omni-directional below 200 Hz

Long-Term Power Handling 

450 W (1800 W peak)

Sensitivity (SPL / 1 W @ 1 m) 

90 dB SPL

Maximum SPL @ 1 m 

116 dB SPL (122 dB SPL peak)

Nominal Impedance 

8 Ω