The Bosch LB2-UC Series Premium-Sound Cabinet Loudspeakers are the professional’s choice for environments that demand high-fidelity music and crystal-clear speech reproduction. Whether you are outfitting a theme restaurant, a high-traffic retail outlet, or a semi-outdoor presentation space, the LB2-UC series delivers industrial-grade performance in a compact, weather-resistant package.
At ChoiceCycle, we recommend the LB2-UC series (LB2-UC15 and LB2-UC30) for clients who need more than just background noise. With a dedicated woofer and dome tweeter in each unit, these speakers provide a “Prosound” experience that enhances the atmosphere of any commercial venue in Singapore.
Technical Deep-Dive: The Premium Sound Architecture
The LB2-UC series is designed to handle both foreground music and critical public address tasks with equal finesse, using high-quality transducers and robust enclosures.
1. Two-Way Transducer System
Unlike standard single-cone speakers, the LB2-UC series features a dedicated two-way driver configuration:
High-Excursion Woofer: The 15W model uses a 4-inch woofer, while the 30W model features a 5-inch driver for deeper, richer low-end response.
Silk Dome Tweeter: A 0.51-inch (13mm) dome tweeter handles the high frequencies, ensuring that music stays crisp and speech remains sharp, even at higher volumes.
Balanced Acoustic Profile: With a frequency range reaching up to 20 kHz, these speakers are ideal for “foreground” music applications where audio quality is a key part of the customer experience.
2. Weather-Resistant IP65 Build
One of the most significant technical advantages of the LB2-UC series is its durability in challenging environments.
Ingress Protection (IP65): These cabinets are water and dust protected, making them suitable for indoor use and semi-outdoor applications such as theme parks, patios, and humid transition zones.
Aluminum Grille & ABS Enclosure: The high-quality ABS housing and aluminum front grille are corrosion-resistant, ensuring the system looks and sounds professional even after years of exposure.
3. Universal Voltage & Impedance Selection
Triple-Mode Input: Every unit features selectable 8-ohm, 70V, and 100V inputs. This flexibility allows ChoiceCycle to integrate these speakers into existing low-impedance Hi-Fi systems or large-scale distributed PA networks.
Convenient Rear Switch: Power tapping (Full, 1/2, 1/4, or 1/8 power) is easily adjusted via a switch on the rear, allowing for precise volume balancing across different zones.
2026 Standards: Security & Durability
The LB2-UC series is built for public spaces where security and longevity are paramount.
Anti-Theft Protection: The included steel U-shaped mounting brackets are fitted with anti-theft Torx screws. These are protected by color-matched plastic covers, ensuring a clean look while preventing unauthorized removal.
Flexible Orientation: The rotatable Bosch logo and the U-bracket design allow for both horizontal and vertical mounting, giving you full directional control to target specific listening areas.
100-Hour PHC Test: Bosch ensures that every unit can operate at its rated power (15W or 30W) for 100 continuous hours without hardware failure, adhering to the strict IEC 60268-5 standards.
ChoiceCycle: Professional Installation & Commissioning
At ChoiceCycle, we ensure that your Bosch LB2-UC system is engineered for maximum impact:
Zone Tuning: We utilize the multi-tap transformer settings to balance the audio levels between indoor dining areas and outdoor terraces, ensuring a seamless soundscape.
Semi-Outdoor Deployment: Our technicians specialize in IP65-rated installations, ensuring that cable entries and mountings are properly sealed against Singapore’s tropical elements.
Sim Lim Square Hub: Based at Sim Lim Square, ChoiceCycle provides immediate access to both Charcoal (-D1) and White (-L1) variants, along with professional technical support and a full local warranty.
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Technical Summary Table
| Feature | LB2-UC15-D1 / L1 | LB2-UC30-D1 / L1 |
| Rated Power (PHC) | 15 Watts | 30 Watts |
| Max Power Output | 22.5 Watts | 45 Watts |
| Woofer Size | 101.6 mm (4”) | 127 mm (5”) |
| Tweeter Size | 13 mm (0.51”) Dome | 13 mm (0.51”) Dome |
| Frequency Range | 95 Hz to 20 kHz | 100 Hz to 18.5 kHz |
| Protection Rating | IP 65 (Water/Dust) | IP 65 (Water/Dust) |
| Dimensions (HxWxD) | 205 x 136 x 118 mm | 250 x 160 x 140 mm |
| Weight | Approx. 1.9 kg | Approx. 2.4 kg |
Contact Us – Choicecycle (SGCCTV Singapore)
📍 Store: SGCCTV Choicecycle
Sim Lim Square #02-81, Singapore
📞 WhatsApp: +65 9853 4404
📧 Email: enquiry@choicecycle.com.sg
🌐 Website: https://sgcctv.com.sg
🕒 Operating Hours: 11 AM – 8 PM (Daily)
The Bosch LB2-UC Series Premium-Sound Cabinet Loudspeakers are meticulously designed to deliver a high-fidelity “Prosound” experience while maintaining a discrete and professional profile. Available in 15W (LB2-UC15) and 30W (LB2-UC30) configurations, these speakers are the go-to choice for Singaporean businesses that require impactful background and foreground music, such as boutique gyms, upscale bars, and themed retail environments.
At ChoiceCycle, we specialize in integrating these premium cabinets into diverse architectures. Whether you need a sleek white finish (-L1) for a modern gallery or a charcoal finish (-D1) for an industrial-themed restaurant, the LB2-UC series provides the perfect blend of performance and style.
Technical Deep-Dive: Superior Acoustic Engineering
The LB2-UC series separates itself from standard PA speakers through its two-way driver architecture, ensuring a full-bodied sound that typical single-cone speakers cannot match.
1. Dedicated High and Low-Frequency Drivers
Woofer Performance: The series utilizes high-excursion woofers (4-inch for the 15W and 5-inch for the 30W) to handle mid-range and bass frequencies with punch and clarity.
Dome Tweeter Precision: A 13mm (0.51-inch) silk dome tweeter provides the high-frequency “sparkle” required for high-fidelity music playback, reaching frequencies up to 20 kHz.
Crystal-Clear Speech: While optimized for music, the two-way design ensures that voice announcements are sharp and highly intelligible, even in environments with significant ambient noise.
2. Industrial-Grade Weatherproofing (IP65)
Singapore’s humidity and occasional outdoor exposure are no match for the LB2-UC series.
IP65 Ingress Protection: These speakers are certified dust-tight and protected against water jets from any angle. This makes them ideal for semi-outdoor balconies, patio dining areas, and humid transition zones.
Corrosion-Resistant Components: Featuring an aluminum front grille and a high-impact ABS enclosure, the system is designed to look pristine for years without rusting or degrading.
3. Versatile Mounting and Anti-Theft Protection
Universal U-Bracket: Every unit comes with a heavy-duty steel U-shaped mounting bracket. This allows the speaker to be aimed precisely toward the audience.
Horizontal or Vertical Mounting: The Bosch logo is rotatable, allowing the speaker to be mounted in either orientation while maintaining a professional appearance.
Security First: The brackets are secured with anti-theft Torx screws, covered by color-matched plastic caps to prevent unauthorized tampering or theft in public areas.
2026 Commercial Readiness: Reliability and Compliance
The LB2-UC series is more than just a speaker; it is a long-term asset for your facility.
100-Hour PHC Test: Bosch puts these units through a “Power Handling Capacity” test, running them at full rated power for 100 continuous hours to guarantee longevity.
SAFE (Simulated Acoustical Feedback Exposure): These speakers can handle twice their rated power for short intervals, protecting the voice coils from accidental feedback or sudden volume surges.
Three-Way Input Selection: A convenient switch on the rear allows ChoiceCycle technicians to toggle between 8-Ohm, 70V, or 100V modes, making these compatible with both consumer Hi-Fi and professional PA amplifiers.
ChoiceCycle: Professional Layout & Calibration
At ChoiceCycle, we provide the technical framework to ensure your LB2-UC system performs at its peak:
Acoustic Site Mapping: We calculate the optimal placement and tilt angle to ensure uniform sound pressure throughout your venue.
Impedance and Power Balancing: We calibrate the rear-panel power taps (Full, 1/2, 1/4, or 1/8 power) to ensure the volume is perfectly balanced across multiple zones.
Sim Lim Square Hub: As a leading Bosch partner, ChoiceCycle at Sim Lim Square offers immediate stock availability, local technical support, and the peace of mind of a full manufacturer’s warranty.
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Technical Summary Table
| Feature | LB2-UC15 (D1/L1) | LB2-UC30 (D1/L1) |
| Rated Power (PHC) | 15 Watts | 30 Watts |
| Input Selection | 100V, 70V, or 8 Ohm | 100V, 70V, or 8 Ohm |
| SPL at Rated Power | 99 dB | 105 dB |
| Frequency Range | 95 Hz to 20 kHz | 100 Hz to 18.5 kHz |
| Opening Angle (1kHz/4kHz) | 179° / 101° (Horiz) | 160° / 81° (Horiz) |
| Color Options | Charcoal (RAL 7021) or White (RAL 9010) | Charcoal (RAL 7021) or White (RAL 9010) |
| Dimensions (HxWxD) | 205 x 136 x 117 mm | 250 x 160 x 140 mm |
| Weight | Approx. 1.9 kg | Approx. 2.4 kg |
Contact Us – Choicecycle (SGCCTV Singapore)
📍 Store: SGCCTV Choicecycle
Sim Lim Square #02-81, Singapore
📞 WhatsApp: +65 9853 4404
📧 Email: enquiry@choicecycle.com.sg
🌐 Website: https://sgcctv.com.sg
🕒 Operating Hours: 11 AM – 8 PM (Daily)
The Bosch LB2-UC Series Premium-Sound Cabinet Loudspeakers are the definitive choice for high-fidelity audio in demanding commercial environments. Available in 15W (LB2-UC15) and 30W (LB2-UC30) models, these speakers are engineered to bridge the gap between standard public address systems and professional “Prosound” music performance.
At ChoiceCycle, we recommend the LB2-UC series for upscale Singaporean venues—such as boutique showrooms, theme restaurants, and corporate event spaces—where audio quality is a critical part of the brand experience.
Technical Deep-Dive: High-Fidelity Architecture
The LB2-UC series utilizes a sophisticated two-way driver design to ensure a full-bodied, high-resolution soundscape that single-cone speakers simply cannot achieve.
1. Professional Two-Way Driver Configuration
Woofer Performance: The series features high-performance woofers (4-inch for LB2-UC15; 5-inch for LB2-UC30) that deliver punchy mid-bass and smooth mid-range frequencies.
Silk Dome Tweeter: A dedicated 13mm (0.51-inch) dome tweeter handles high-frequency reproduction up to 20 kHz, ensuring that music remains crisp and voice announcements stay sharp and intelligible.
Acoustic Precision: The internal crossover is finely tuned to ensure a seamless transition between the drivers, resulting in a balanced acoustic profile perfect for both background and foreground music.
2. IP65 Weather-Resistant Construction
Singapore’s tropical humidity and semi-outdoor architecture require hardware that can withstand the elements.
Ingress Protection: With an IP65 rating, these speakers are dust-tight and protected against water jets. This makes them ideal for pool decks, garden cafes, and transition areas between indoor and outdoor spaces.
Corrosion-Resistant Materials: The high-impact ABS enclosure is paired with an aluminum front grille, ensuring long-term durability without rust or aesthetic degradation.
3. Universal Compatibility & Security
Triple-Input Mode: Every unit includes a rear-mounted switch to toggle between 8-Ohm (low impedance), 70V, and 100V modes. This allows ChoiceCycle to integrate them into specialized Hi-Fi setups or traditional commercial PA networks.
Anti-Theft Mounting: The included heavy-duty steel U-brackets are secured with anti-theft Torx screws. Once installed, color-matched plastic caps hide the hardware for a clean, tamper-proof finish.
2026 Commercial Standards: Reliability & Compliance
In 2026, operational reliability is the cornerstone of any commercial investment. Bosch ensures the LB2-UC series meets the highest international standards.
100-Hour PHC Test: Guaranteed to operate at full rated power for 100 continuous hours, adhering to IEC 60268-5 standards for long-term performance.
SAFE (Simulated Acoustical Feedback Exposure): These speakers are tested to handle double their rated power for short intervals, protecting the internal components from accidental volume surges or microphone feedback.
Flexible Orientation: The Bosch logo is rotatable, allowing for professional-looking installations in both horizontal and vertical configurations.
ChoiceCycle: Professional Layout & Calibration
At ChoiceCycle, we provide the technical expertise to ensure your Bosch LB2-UC system is perfectly optimized:
Acoustic Site Survey: We determine the precise mounting height and tilt angle to ensure uniform Sound Pressure Levels (SPL) throughout your venue.
Power Balancing: We calibrate the multi-tap transformer (Full, 1/2, 1/4, or 1/8 power) to balance audio levels across different zones, such as the bar area versus the dining room.
Local Hub Support: Based at Sim Lim Square, ChoiceCycle offers immediate stock of both Charcoal (-D1) and White (-L1) variants, backed by local technical support and a comprehensive manufacturer’s warranty.
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Technical Summary Table
| Feature | LB2-UC15 (D1/L1) | LB2-UC30 (D1/L1) |
| Rated Power (PHC) | 15 Watts | 30 Watts |
| Max Power Output | 22.5 Watts | 45 Watts |
| SPL at Rated Power | 99 dB | 105 dB |
| Frequency Range | 95 Hz to 20 kHz | 100 Hz to 18.5 kHz |
| Input Selection | 100V, 70V, or 8 Ohm | 100V, 70V, or 8 Ohm |
| Protection Rating | IP 65 (Water/Dust) | IP 65 (Water/Dust) |
| Dimensions (HxWxD) | 205 x 136 x 117 mm | 250 x 160 x 140 mm |
| Weight | Approx. 1.9 kg | Approx. 2.4 kg |
Contact Us – Choicecycle (SGCCTV Singapore)
📍 Store: SGCCTV Choicecycle
Sim Lim Square #02-81, Singapore
📞 WhatsApp: +65 9853 4404
📧 Email: enquiry@choicecycle.com.sg
🌐 Website: https://sgcctv.com.sg
🕒 Operating Hours: 11 AM – 8 PM (Daily)
The Bosch LB2-UC Series Premium-Sound Cabinet Loudspeakers are engineered for those who seek to bridge the gap between industrial public address and high-fidelity consumer audio. By combining a 15W (LB2-UC15) or 30W (LB2-UC30) power stage with a specialized two-way driver architecture, these speakers deliver a “concert-grade” soundscape that enriches the atmosphere of any modern commercial space in Singapore.
At ChoiceCycle, we specialize in the deployment of the LB2-UC series for premium venues where audio quality is a core brand pillar—including luxury fashion boutiques, designer hotel lounges, and sophisticated outdoor dining terraces.
Technical Masterclass: Audiophile Engineering in a Rugged Frame
The LB2-UC series is distinguished by its ability to maintain crystal-clear audio fidelity even when subjected to high-volume commercial use and environmental stress.
1. High-Resolution Two-Way Audio
Standard commercial speakers often sound “flat.” The LB2-UC series fixes this with a dual-driver layout:
High-Performance Woofer: The 15W model utilizes a 4-inch woofer, while the 30W model boasts a 5-inch driver. These are designed for high excursion, delivering deep, punchy bass that fills a room without distorting.
Silk Dome Precision: A dedicated 0.51-inch (13mm) dome tweeter handles high frequencies up to 20 kHz. This ensures that the nuance of high-fidelity music—and the sharp consonants of human speech—are perfectly preserved.
Seamless Crossover: An internal high-order crossover network ensures that frequencies are routed to the correct driver with minimal phase shift, providing a natural and balanced sound.
2. IP65 Rated for Tropical Resilience
In Singapore’s climate, humidity and rain are constant factors. The LB2-UC series is purpose-built to survive.
Ingress Protection: An IP65 rating means the speakers are completely dust-tight and protected against water jets from any direction. They are the ideal choice for semi-outdoor balconies, poolside bars, and alfresco dining.
Non-Corrosive Materials: Constructed from high-impact ABS with a powder-coated aluminum front grille, these speakers will not rust or degrade when exposed to the elements.
3. Smart Mounting & Anti-Theft Security
Universal U-Bracket: The heavy-duty steel mounting bracket allows for wide-angle adjustment, enabling ChoiceCycle technicians to “aim” the sound precisely at the audience area.
Flexible Branding: The Bosch logo is rotatable, allowing the speaker to be mounted horizontally or vertically while maintaining a professional, upright aesthetic.
Tamper-Proof Design: The mounting points are secured with anti-theft Torx screws, hidden behind color-matched plastic caps to prevent unauthorized removal in public spaces.
2026 Commercial Integration: Flexibility & Reliability
The LB2-UC series is designed to integrate into any existing infrastructure, whether it’s a high-end Hi-Fi setup or a massive distributed 100V network.
Triple-Input Selector: A rear-mounted rotary switch allows for instant selection between 100V, 70V, or 8-Ohm (low impedance) operation.
Power Tapping Precision: Admins can quickly adjust power levels (Full, 1/2, 1/4, or 1/8 power) to balance the volume across different architectural zones.
100-Hour PHC Test: Bosch guarantees these units can run at full rated power for 100 continuous hours without failure, adhering to the rigorous IEC 60268-5 industrial standards.
Professional Commissioning by ChoiceCycle
At ChoiceCycle, we ensure your Bosch LB2-UC installation is optimized for peak performance:
Acoustic Zone Planning: We use sound-mapping techniques to determine the ideal speaker height and tilt, ensuring every corner of your venue experiences uniform sound pressure.
Weather-Sealed Termination: For outdoor deployments, we ensure all cable entries and terminal connections are properly sealed to maintain the IP65 integrity.
Local Hub Support: Based at Sim Lim Square, ChoiceCycle provides immediate stock of Charcoal (-D1) and White (-L1) variants, along with expert technical calibration and a full manufacturer’s warranty.
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Technical Summary Table
| Feature | LB2-UC15 (D1/L1) | LB2-UC30 (D1/L1) |
| Rated Power (PHC) | 15 Watts | 30 Watts |
| Input Selection | 100V, 70V, or 8-Ohm | 100V, 70V, or 8-Ohm |
| SPL at Rated Power | 99 dB | 105 dB |
| Frequency Range | 95 Hz to 20 kHz | 100 Hz to 18.5 kHz |
| Protection Rating | IP 65 (Water/Dust) | IP 65 (Water/Dust) |
| Opening Angle (1kHz/4kHz) | 179° / 101° (Horiz) | 160° / 81° (Horiz) |
| Dimensions (HxWxD) | 205 x 136 x 117 mm | 250 x 160 x 140 mm |
| Weight | Approx. 1.9 kg | Approx. 2.4 kg |
Contact Us – Choicecycle (SGCCTV Singapore)
📍 Store: SGCCTV Choicecycle
Sim Lim Square #02-81, Singapore
📞 WhatsApp: +65 9853 4404
📧 Email: enquiry@choicecycle.com.sg
🌐 Website: https://sgcctv.com.sg
🕒 Operating Hours: 11 AM – 8 PM (Daily)
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