The LB20-PC60EW-5 is a high-performance, two-way, full-range 5.25" (133 mm) surface mount speaker designed by Bosch. It delivers excellent sound clarity and wide, uniform dispersion, making it ideal for background and foreground music, voice evacuation, paging, and sound reinforcement in both indoor and outdoor environments. Its robust build, exceptional weather resistance, and EVAC certification make it perfect for use in tough weather conditions, such as for restaurants, bars, fitness clubs, theme parks, and more.

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Key Features

• Weather-Resistant Construction (IP65 Rated): Built to endure the toughest weather conditions, offering durability against sun, salt, and moisture.
• Extended Low-Frequency Response: The 5.25" woofer delivers extended bass performance down to 55 Hz for a full-range sound experience.
• Powerful Output: 75 W continuous power handling ensures high output levels, with a 108 dB maximum SPL (114 dB peak).
• Transformer for Versatile Voltage Options: The integrated 60 W transformer offers selections for 70 V, 100 V, or 8 Ω low impedance lines.
• EVAC Certification: The speaker is certified for use in voice evacuation systems, ensuring reliability in emergency situations.
• Flexible Mounting Options: Includes a U-bracket for easy installation, with 80° rotation for optimal speaker positioning.

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Applications

The LB20-PC60EW-5 is suitable for a variety of sound reinforcement tasks, including:

• Public Spaces: Restaurants, bars, retail, and fitness clubs.
• Outdoor Installations: Patios, gardens, leisure venues, and theme parks.
• Voice Evacuation: Commercial, hospitality, and industrial facilities that require certified voice alarm systems.

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Technical Specifications

Acoustics

• Frequency Response:
  • (-3 dB): 90 Hz – 20 kHz
  • (-10 dB): 55 Hz – 20 kHz
• Sensitivity: 89 dB (1 W, 100 Hz – 10 kHz, 1 m).
• Max SPL: 108 dB continuous, 114 dB peak.
• Coverage Angle: 90° horizontal, 90° vertical.

Transducers

• Low-Frequency Driver: 5.25" (133 mm) polypropylene cone woofer.
• High-Frequency Driver: 0.75" (20 mm) Ferro fluid-cooled driver with integrated waveguide.

Power Handling

• Continuous Power (Pink Noise): 75 W (300 W peak).
• Recommended High-Pass Filter: 60 Hz, 24 dB/octave.

Transformer Taps

• 70V: 60 W, 30 W, 15 W, 8 W, 8Ω.
• 100V: 60 W, 30 W, 15 W, 8Ω.
• 8 Ω Bypass: Available with safety screw protection.

Construction

• Material: UL 94-5VB fire-rated ABS plastic enclosure for enhanced durability.
• Grille: Marine-grade aluminum for corrosion resistance.
• Mounting System: U-bracket design with 80° rotation for flexible wall or ceiling installation.

Weather Resistance

• IP65 Certified: Designed to withstand solar radiation, salt mist, chlorine exposure, and moisture for outdoor use.
• Compliant with IEC 60068-2-5, IEC 60068-2-11, IEC 60068-2-42, IEC 60068-2-60, and IEC 60529 standards.

Dimensions and Weight

• Dimensions (H x W x D): 255 mm x 180 mm x 150 mm (10.0 in x 7.1 in x 5.9 in).
• Weight: 3.2 kg (7.1 lbs).
• Shipping Weight (Pair): 9.5 kg (21.0 lbs).

Color Options

• Available in black (RAL 9004) or white (RAL 9003) with paintable finishes for seamless integration into various environments.

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Certifications and Approvals

• EN 54-24: Certified for voice alarm systems.
• UL1480: Approved for use in fire alarm systems and emergency situations.
• IP65 Rating: Ensures the speaker is weatherproof and resistant to environmental elements.

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Included Accessories

• U-Bracket: Provides flexibility for installation with 80° of rotation.
• 5-mm Allen Wrench: For installation adjustments.
• Input Cover: Weather-resistant cover for input panel protection.

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Architectural and Engineering Specifications

The LB20-PC60EW-5 is a surface mount, two-way, full-range loudspeaker with an internal passive crossover. It includes a 5.25" weather-resistant polypropylene woofer and a 0.75" Ferro fluid-cooled high-frequency driver with a waveguide. The speaker delivers 75 W continuous power with a 60 W transformer providing taps for 70 V, 100 V, and 8 Ω configurations. It is IP65 rated for outdoor use and is EN 54-24 and UL1480 certified for emergency voice evacuation systems.

The speaker is constructed from fire-rated ABS plastic and includes a marine-grade aluminum grille. The U-bracket offers 80° rotation, allowing for easy installation and precise speaker positioning. This speaker is an ideal choice for environments that require durability, reliable performance, and compliance with safety standards.

The surface mount loudspeaker shall be the LB20-PC60EW-5 model from Bosch.