
Specifications
Certifications
EN 54-24 Certified
Yes
Safety Agency Ratings
EN 54-24: 2008, Loudspeaker for Voice Alarm Systems for Fire Detection and Fire Alarm Systems for Buildings
Ingress Protection
IP55 per EN60529; IP33C per EN 54-24
Dimensions
Product Dimensions (H x W x D)
9.3" x 27.0" x 11.0" (235 mm x 686 mm x 279 mm)
Weight
Net Weight
37.5 lbs (17.0 kg) loudspeaker / 43.0 lbs (19.5 kg) loudspeaker with U-bracket
Audio
Frequency Range (-10 dB)
70 Hz – 18,000 Hz
Coverage, Horizontal
60°
Coverage, Vertical
120°
Calculated Maximum SPL @ 1 m
119 dB (free field), 121 dB (wall/ceiling)
Nominal Impedance
8 Ω
Power Handling, Long-Term Continuous
300 W
Power Handling, Peak
1200 W
Sensitivity (SPL/1 W at 1 m)
94 dB (free field), 96 dB (wall/ceiling)
Transformer Taps, 100V
10, 20, 40, 80 W
Transformer Taps, 70V
5 W, 10 W, 20 W, 40 W, 80 W
Crossover
200 Hz & 1.2 kHz, passive, separate bandpass filters per transducer
High-Frequency
1 x Bose Professional EMB2S extended-high frequency neodymium compression driver, 2" (51 mm) voice coil
Low-Frequency
2 x Bose Professional LF8 high-excursion 8" (203 mm) woofer, 2" (51 mm) voice coil
Construction
Enclosure Material
Exterior-grade plywood
Grille
3 layers (perforated stainless steel, acoustic foam, stainless-steel mesh), powder-coated finish
Suspension/Mounting
2 x M8 threaded inserts for U-bracket, 4 x M8 threaded inserts on rear (127 x 70 mm, 4-bolt pattern)
Environmental
Environmental
Indoor or outdoor. IP55-rated for direct exposure outdoor ratings
Shipping
Shipping Weight
51.0 lbs (23.1 kg)
Why Choose SoundPro?
Since 1972, SoundPro has been the trusted source for audio, video, and lighting gear. Whether you're starting your AVL journey or are a seasoned professional, we're here to help you every step of the way.