JBL 8-inch 20W low-profile ceiling speakers for direct mounting in 600x600mm grid ceilings, model LCT 81C/TM

JBL 8-inch 20W Ceiling Speakers , Low-Depth Design for Direct Mounting in 600x600mm Metric Mesh Ceilings, Model LCT 81C/TM

• Designed JBL LCT 81C/TM ceiling speakers deliver a superior audio experience and are easy to install in suspended metric ceilings (600x600 mm) without the need for any cutting or modification of the tiles.
• The speaker comes with a low depth of no more than 4.1 inches (103 mm), making it ideal for spaces with electrical wiring or ventilation behind the ceiling.
• It features a power of 20 watts (8 ohms) and strong performance thanks to its high sensitivity (96 dB), making it capable of producing a clear and audible sound level even when using low-power amplifiers.
• These ceiling speakers are the ideal solution for audio streaming, background music, and public announcements in offices, schools, shops, airports, and hotels.

Technical description:

• The JBL LCT 81C/TM ceiling speakers are based on an 8-inch Dual Cone speaker that delivers clarity in the mid and high ranges and a balanced frequency response ideal for general audio applications.
• A 10W multi-level transformer is integrated, allowing it to be used with 70V and 100V systems, in addition to an 8-ohm direct-drive option for wider compatibility with various audio systems.
• The rotating side switches allow for easy control of power settings (10W, 5W, 2.5W, or 1.3W @70V), and the speaker comes with a UL Plenum Rated certified metal back cover for protection against heat and smoke in professional applications.
• It features a full metal design with a white perforated mesh that adds a stylish look and visual harmony to ceilings.

Technical specifications:

• Size: 8 inches (200 mm) Dual Cone
• Electrical power: 20 watts (8 ohms direct)
• Converter: 10W Multi-Setting (70V/100V – 10W, 5W, 2.5W, and 1.3W at 70V)
• Frequency range (-10 dB): 100 Hz – 16 kHz
• Sensitivity: 96 dB (2kHz – 6kHz)
• Angle of spread: 100° (Conical)
• Maximum sound level (SPL): 108 dB (8 ohms) / 116 dB peak
• Nominal resistance: 8 ohms
• Filter recommendations: High-Pass at 90Hz – 24dB/Oct
• Program power: 40W continuous / 20W pink noise
• Communication system: Protected wired connection inside a secure box
• Key to determining power: Easy-access side rotary
• Materials: Steel rear box, metal front panel, perforated mesh
• Color: White
• Dimensions (Width x Length x Depth): 595 x 595 x 103 mm
• Net weight: 6.9 kg
• Shipping weight: 7.75 kg
• Installation depth: only 103 mm
• Safety attachment points: 2 rear points + 4 corner holes
• Certifications: UL1480A, UL2043, NFPA90, NFPA70
• Usage in Plenum: Yes (with certified metal back cover)

Key features:

• Low-depth design (only 4 inches) fits ceilings with extensions or obstructions
• Direct installation without cutting tiles in 600x600 mm metric grid ceilings
• High sensitivity of 96 dB to deliver powerful and clear sound from small amplifiers
• Multiple power settings via an easy-to-use rotary switch
• A robust metal structure resistant to fire and environmental factors
• Wide (100°) coverage angle for uniform sound distribution in all directions
• UL Plenum Rated approval for use in safe air spaces
• A stylish white look that complements modern ceiling designs

Product summary:

• Represents ceiling speakers The JBL LCT 81C/TM is an ideal choice for sound systems in commercial buildings and educational institutions that use metric ceilings (600×600 mm).
• Thanks to its flat design and ease of installation without cutting or modifying, it delivers reliable performance and clear, high-quality sound for background music and audio advertising applications.

Additional features:

• Supports 70V/100V/8Ω connections in one unit
• Suitable for audio broadcasts, background music, and public announcements
• Integrated steel rear box for protection and to ensure security certification
• Secure installation via seismic anchor points (Seismic Tabs)
• Stable performance during extended playback thanks to high-quality audio components.

Applications used for the product:

• Schools and lecture halls
• Offices and meeting rooms
• Malls and shops
• Airports, hotels, and waiting areas
• Paging systems and background music in administrative buildings

Summary and final advice:

• If you are looking for ceiling speakers The 8-inch square, 20-watt speakers are specifically designed for 600x600mm metric ceilings, making the JBL LCT 81C/TM ceiling speaker the perfect choice.

The speaker combines ease of installation, elegant design, and professional audio performance to provide a reliable audio experience and high clarity in various commercial and educational environments.