ITC T-104 4 Inch Ceiling Speaker 1.5W 3W 6W – 70V/100V
4-Inch In-Ceiling Speaker with Built-in 70V/100V Transformer for PA and Background Music
ITC T-104 4-Inch Ceiling Speaker – 1.5W / 3W / 6W
Create a clean and professional distributed audio system with the ITC T-104 Ceiling Speaker, a compact 4-inch in-ceiling loudspeaker designed for background music, voice announcements and public address applications.
The T-104 features a built-in 70V/100V transformer, making it suitable for distributed commercial audio systems where multiple ceiling speakers need to work together. The 70V/100V transformer design helps reduce line losses over longer cable runs and makes parallel connection of multiple loudspeakers easier.
With selectable power taps and a discreet white finish, the T-104 is a practical choice for installations where reliable audio coverage and a clean ceiling appearance are both important.
Key Features
4-Inch Speaker Driver — Compact speaker unit designed for background music and voice announcements.
Built-in 70V/100V Transformer — Designed for professional distributed audio and PA systems.
1.5W / 3W / 6W at 100V — Selectable power taps for different installation requirements.
0.75W / 1.5W / 3W at 70V — Flexible power options for 70V systems.
92dB Sensitivity — Rated at 1W/1m.
In-Ceiling Design — Installs flush into the ceiling for a discreet appearance.
Metal Enclosure and Aluminum Grille — Designed for commercial and institutional installations.
White Finish — Blends naturally with many ceiling interiors.
Spring-Clip Mounting — Designed for easier and secure installation.
155mm Cutout — Suitable for the specified ceiling installation opening.
Professional 70V/100V Audio Installation
The ITC T-104 100V ceiling speaker is designed for distributed public address systems where multiple speakers may be installed throughout a building.
Its integrated transformer allows the speaker to operate within 70V or 100V line audio systems, making it suitable for commercial installations that require multiple speakers connected across longer cable runs.
Selectable Power Taps
The T-104 provides three selectable power levels for 100V systems:
1.5W / 3W / 6W
For 70V systems, the available power taps are:
0.75W / 1.5W / 3W
This flexibility allows installers to select the appropriate power level based on the room size, number of speakers and surrounding noise conditions.
Compact 4-Inch Ceiling Design
The built-in 4-inch speaker driver provides a compact solution for ceiling-mounted distributed audio. Its white finish and low-profile design help the speaker integrate naturally into offices, classrooms, hotels and commercial environments.
Easy and Secure Installation
The T-104 uses a spring-clip mounting system designed to make ceiling installation easier and more secure. The specified cutout size is 155mm, while the overall dimensions are approximately 180 × 50mm.
Ideal For
Hotels and resorts
Schools and universities
Classrooms
Offices
Factories
Restaurants
Retail stores
Commercial buildings
Reception areas
Corridors
Background music systems
Paging systems
Public address systems
70V/100V distributed audio systems
Technical Specifications
SpecificationDetailsBrandITCModelT-104Product TypeIn-Ceiling SpeakerSpeaker Driver4-inch × 1TransformerBuilt-in 70V / 100VPower Taps @100V1.5W / 3W / 6WPower Taps @70V0.75W / 1.5W / 3WSensitivity92dB SPL (1W/1m)Max SPL99dBFrequency Response130Hz–13kHz*Cutout Size155mmDimensions180 × 50mmWeight0.7kgMountingSpring ClipEnclosureMetalGrilleAluminumColorWhite
90Hz -20KHz
Speaker driver
4" x 1
Cutout size
155mm
Dimensions
180 x 50mm