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The Bosch LBD3921-L is a 24-watt column loudspeaker designed for clear speech and background music reproduction in indoor environments. Its slim profile and wide horizontal dispersion make it suitable for venues such as houses of worship, conference rooms, and canteens.ishacctv.com

🔧 Key Specifications

• Rated Power: 24W (selectable taps: 24W / 12W / 6W)

• Sound Pressure Level (1 kHz, 1 m): 104.9 dB at 6W / 91.6 dB at 1W

• Effective Frequency Range: 150 Hz to 15 kHz

• Opening Angle (-6 dB):

  • Horizontal: 191° at 1 kHz / 87° at 4 kHz

  • Vertical: 191° at 1 kHz / 87° at 4 kHz

• Rated Impedance: 417 Ohm

• Rated Input Voltage: 100V

• Connector: 4-pole push-in terminal

• Dimensions (H x W x D): 849 mm x 151 mm x 127 mm

• Weight: 4.9 kg

• Color: White

• Operating Temperature: -5 °C to +55 °C

• Storage Temperature: -40 °C to +70 °C Bosch Security Systems+1infernocart+1Audiomaxx India+12Tradeindia+12Tradeindia+12

🛠️ Features

• Excellent Audio Performance: Delivers clear speech and music reproduction.

• Wide Horizontal Dispersion: Ensures even sound coverage across the listening area.

• Slim and Aesthetic Design: Blends seamlessly with various interior decors.

• Easy Installation: Equipped with a swivel wall-mounting bracket for secure and straightforward mounting.

• Durable Construction: Features a robust MDF enclosure with a durable, easy-to-clean vinyl finish.

• Compliance: Tested for 100 hours at rated power in accordance with IEC 268-5 Power Handling Capacity (PHC) standards. ishacctv.com

For more detailed information, you can refer to the official product page.Bosch Security Systems

If you need assistance comparing this model with other Bosch column loudspeakers or require further details, feel free to ask!

The Bosch LBD8351/10 is a compact 4-watt ceiling loudspeaker designed for high speech intelligibility and good music reproduction in indoor public address systems. Its discreet design and flush-mount installation make it ideal for environments where aesthetics and clear audio are essential.

Key Features:

• Rated Power: 4 Watts

• Design: Compact, low-profile for unobtrusive ceiling mounting

• Material: Sturdy ABS plastic housing with metal grille

• Mounting: Spring clamps for quick and secure installation

• Sound Performance: Clear voice reproduction and background music support

• Frequency Range: Tuned for speech clarity and ambient music

• Applications: Offices, hotels, retail spaces, educational institutions, and public buildings

• Standards Compliance: Meets international safety and quality requirements

The LBD8351/10 offers an efficient, reliable, and stylish audio solution for distributed sound systems in commercial and institutional spaces.

The Bosch LBD8352/10 is a high-quality, compact 6-watt ceiling loudspeaker designed for clear speech and background music applications. Its sleek, low-profile design ensures minimal visual impact, making it ideal for modern commercial and institutional settings. The unit is easy to install using spring clamp mechanisms and is constructed with durable materials for long-term reliability.

Key Features:

• Rated Power: 6 Watts

• Design: Compact and flush-mount for clean ceiling integration

• Construction: ABS plastic housing with metal grille

• Installation: Spring clamp mounting for quick and secure fitting

• Audio Performance: Optimized for voice clarity and ambient music

• Application Areas: Offices, schools, retail stores, hotels, and public buildings

• Compliance: Meets international standards for safety and performance

The Bosch LCZ-UC04S-IN is a compact 4-watt ceiling loudspeaker designed for clear voice announcements and background music in indoor environments. Its splash-proof design (IPx4 rating) makes it suitable for areas with occasional moisture exposure, such as restrooms, kitchens, or covered outdoor spaces. The speaker features a modern, unobtrusive styling and is easy to install using spring clamps.

Key Specifications:

• Rated Power: 4 Watts

• Maximum Power: 6 Watts

• Sound Pressure Level (1 kHz, 1 m): 96.9 dB at 4W / 91.4 dB at 1W

• Effective Frequency Range: 85 Hz to 10 kHz (-10 dB)

• Opening Angle (-6 dB): 180° at 1 kHz / 89° at 4 kHz

• Rated Impedance: 2500 Ohm

• Rated Input Voltage: 100 V

• Connector: 4-Pole Screw Terminal

• Dimensions: Diameter: 164 mm; Cutout Diameter: 142 mm; Depth: 64 mm

• Weight: 0.53 kg

• Protection Rating: IPx4 (splash-proof)

• Operating Temperature: -5 °C to +55 °C

• Storage Temperature: -40 °C to +70 °C

Applications:
Ideal for use in offices, retail stores, educational institutions, healthcare facilities, and other public buildings where clear audio and moisture resistance are required.

The Bosch LCZ-UM06-IN is a compact 6-watt ceiling loudspeaker designed for high-quality speech and music reproduction in indoor environments. Its robust metal construction and integrated spring-mount mechanism ensure durability and ease of installation, making it ideal for commercial and institutional settings such as offices, schools, and retail spaces.

Key Features:

• Rated Power: 6 Watts

• Input Voltage: 100 V

• Frequency Response: 100 Hz to 20 kHz

• Sound Pressure Level (1 kHz, 1 m): 92 dB at 6W / 85 dB at 1W

• Impedance: 1667 Ohms

• Material: Metal grille and baffle

• Mounting: Spring clamp for quick and secure ceiling installation

• Dimensions: Diameter: 105 mm; Depth: 90 mm

• Weight: 580 grams

• Color: Signal-white (RAL 9003)

• Operating Temperature: -5 °C to +55 °C

• Storage Temperature: -40 °C to +70 °C

• Relative Humidity: Up to 95%

• Connector: 4-pole screw terminal

This loudspeaker is suitable for various applications, including public address systems, background music, and voice evacuation systems. Its compact design and high-quality audio performance make it a versatile choice for different ceiling types and room sizes.

The Bosch LCZ-UM12-IN is a 12-watt ceiling loudspeaker featuring a robust metal grille, designed for excellent speech and music reproduction. Its high sound pressure level makes it suitable for areas with high ceilings such as offices, retail stores, educational institutions, and hospitality venues.

⚙️ Key Specifications

• Rated Power: 12W

• Sound Pressure Level (1 kHz, 1 m): 101.8 dB at 12W / 91 dB at 1W

• Effective Frequency Range: 100 Hz to 15 kHz (-10 dB)

• Opening Angle (-6 dB): 175° at 1 kHz / 40° at 4 kHz

• Rated Impedance: 833 Ohm

• Rated Input Voltage: 100V

• Connector: 4-Pole Screw Terminal

• Dimensions: Diameter: 200 mm; Depth: 70 mm

• Weight: 1.3 kg

• Color: Off White

• Operating Temperature: -5 °C to +55 °C

• Storage Temperature: -40 °C to +70 °C

🛠️ Features

• Excellent Audio Performance: Delivers clear speech and music reproduction.

• High Sound Pressure Level: Ensures effective sound coverage in large spaces.

• Easy Installation: Equipped with integral mounting clips for secure and straightforward ceiling installation.

• Durable Construction: Features a perforated metal grille with an attractive off-white finish.

• Adjustable Power Taps: Line matching transformer allows for full, half, and quarter power settings to suit various acoustic requirements.

• Compliance: Tested for 100 hours at rated power in accordance with IEC 268-5 Power Handling Capacity (PHC) standards.

The Bosch LCZ-UM20-IN is a 20-watt ceiling loudspeaker featuring a robust metal grille, designed for excellent speech and music reproduction. Its high sound pressure level makes it suitable for areas with high ceilings such as offices, retail stores, educational institutions, and hospitality venues.

⚙️ Key Specifications

• Rated Power: 20W (selectable taps: 20W / 10W / 5W)

• Sound Pressure Level (1 kHz, 1 m): 104 dB at 20W / 91 dB at 1W

• Effective Frequency Range: 100 Hz to 15 kHz (-10 dB)

• Opening Angle (-6 dB): 176° at 1 kHz / 44° at 4 kHz

• Rated Impedance: 500 Ohm

• Rated Input Voltage: 100V

• Connector: 4-Pole Screw Terminal

• Dimensions: Diameter: 240 mm; Cutout Diameter: 206 mm; Depth: 100 mm

• Weight: 1.6 kg

• Color: Off White

• Operating Temperature: -5 °C to +55 °C

• Storage Temperature: -40 °C to +70 °C

🛠️ Features

• Excellent Audio Performance: Delivers clear speech and music reproduction.

• High Sound Pressure Level: Ensures effective sound coverage in large spaces.

• Easy Installation: Equipped with integral mounting clips for secure and straightforward ceiling installation.

• Durable Construction: Features a perforated metal grille with an attractive off-white finish.

• Adjustable Power Taps: Line matching transformer allows for full, half, and quarter power settings to suit various acoustic requirements.

• Compliance: Tested for 100 hours at rated power in accordance with IEC 268-5 Power Handling Capacity (PHC) standards.

About this item

• Connects to 2 Telephone Line & 16 Extensions
• Welcome message / Auto Attendant
• Pleasant hold music,
• Internal CLI + Trunk CLI FSK & DTMF
• Flexible Extension Numbers (2 - 4 digits)

About this item

• This PBX can be connected to maximum of 8 Extensions & 1 CO line and comes with 9 Nos. of connecting cables
• This PBX has best in class Hold Music (Not toy like) so that the CO line caller gets an impressive feel whenever the call is being transferred or put on Hold
• Flexible numbering
• Welcome Message / Auto Attendant (optional)
• Memory Dialing Up to 48 Telephone numbers can be stored in the PBX and dialed through 2digit codes, even from locked Extensions.
• Package includes: 1 x CCL 108SU Epabx Upgraded Model

Warranty: One Year Carry-In Warranty!

Copper Connections 416 EPABX with Advanced Features

This EPABX by Copper Connections Limited is a feature rich & compact solutions for homes and offices. It supports 4 external telephone lines and 16 extensions. This system provides multiple advanced features and is highly programmable to suit your needs.

About this product

• Connects to 4 Telephone Line & 16 Extensions
• Welcome message / Auto Attendant
• Pleasant hold music,
• Internal CLI + Trunk CLI FSK & DTMF
• Flexible Extension Numbers (2 - 4 digits)

Technical Details

Copper Connections 424 EPABX with Advanced Features

This EPABX by Copper Connections Limited is a feature rich & compact solutions for homes and offices. It supports 4 external telephone lines and 24 extensions. This system provides multiple advanced features and is highly programmable to suit your needs.

About this product

• Connects to 4 Telephone Line & 24 Extensions
• Welcome message / Auto Attendant
• Pleasant hold music,
• Internal CLI + Trunk CLI FSK & DTMF
• Flexible Extension Numbers (2 - 4 digits)

Technical Details

Copper Connections 432 EPABX with Advanced Features

This EPABX by Copper Connections Limited is a feature rich & compact solutions for homes and offices. It supports 4 external telephone lines and 32 extensions. This system provides multiple advanced features and is highly programmable to suit your needs.

About this product

• Connects to 4 Telephone Line & 32 Extensions
• Welcome message / Auto Attendant
• Pleasant hold music,
• Internal CLI + Trunk CLI FSK & DTMF
• Flexible Extension Numbers (2 - 4 digits)

Technical Details