The LB20-PC75-5 from Bosch is a high-performance, two-way 5.25" (133 mm) surface mount speaker designed for both indoor and outdoor applications. It delivers excellent coverage and sound performance, making it ideal for various environments such as restaurants, bars, patios, fitness clubs, retail spaces, theme parks, and more. Featuring a weather-resistant design and innovative mounting system, the LB20-PC75-5 is the perfect solution for sound reinforcement in tough conditions.

---

Key Features

• Weather-Resistant Construction (IP54 Rated): Built to withstand outdoor environments, this speaker is resistant to sun, moisture, and salt.
• Extended Low-Frequency Performance: The 5.25" woofer offers deep bass response down to 60 Hz, ensuring full-range sound.
• Powerful Output: 75 W continuous power handling allows the speaker to reach a 109 dB maximum SPL (115 dB peak), providing loud and clear sound for a variety of applications.
• Innovative Mounting System: The included mounting system allows for 90° horizontal rotation and 45° vertical rotation, making installation quick, simple, and reliable.
• Durable, Modern Design: The fire-rated ABS plastic enclosure offers strength, while the grille is zinc-plated and powder-coated for corrosion resistance.
• Versatility: Ideal for both indoor and outdoor installations. Available in black (RAL 9004) or white (RAL 9003) and can be painted to suit various decors.

---

Applications

The LB20-PC75-5 is designed for a wide range of applications, including:

• Commercial Spaces: Restaurants, bars, retail, fitness clubs, and hospitality venues.
• Outdoor Installations: Patios, gardens, leisure venues, and theme parks.
• Paging and Sound Reinforcement: Used in public spaces where clear and reliable sound coverage is needed.

---

Technical Specifications

Acoustics

• Frequency Response:
  • (-3 dB): 85 Hz – 20 kHz
  • (-10 dB): 60 Hz – 20 kHz
• Sensitivity: 90 dB (1 W, 100 Hz – 10 kHz, 1 m).
• Max SPL: 109 dB continuous, 115 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 Options

• No Transformer: The LB20-PC75-5 is available without a transformer, ideal for low-impedance (8 Ω) applications.
• Note: A transformer version is available as LB20-PC30-5 for constant voltage systems.

Construction

• Material: Molded fire-rated ABS plastic for durability.
• Grille: Zinc-plated and powder-coated for corrosion resistance.
• Mounting System: Includes an innovative ball-and-socket system with 90° horizontal and 45° vertical rotation for easy wall or ceiling installation.

Weather Resistance

• IP54 Rating: Ensures protection against dust and water splashes, making it suitable for outdoor and harsh environments.
• 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 154 mm (10.0 in x 7.1 in x 6.0 in).
• Weight: 2.7 kg (5.9 lbs).
• Shipping Weight (Pair): 6.7 kg (14.8 lbs).

Color Options

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

---

Certifications and Approvals

• CE: Compliant with European standards.
• IP54 Rating: Ensures the speaker is weatherproof and resistant to environmental elements.

---

Included Accessories

• Mounting Bracket: For quick and easy installation.
• 5-mm Allen Wrench: For mounting system adjustments.

---

Architectural and Engineering Specifications

The LB20-PC75-5 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 an integrated waveguide. The speaker provides 75 W continuous power with a maximum SPL of 109 dB.

The speaker features an innovative ball-and-socket mounting system, with 90° horizontal and 45° vertical rotation, making installation versatile and hassle-free. It is engineered for use in outdoor environments and is IP54 rated, making it resistant to dust and water splashes. The speaker is available in black or white finishes, with a fire-rated ABS plastic enclosure for durability.

The surface mount loudspeaker shall be the LB20-PC75-5 model from Bosch.