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SOUNDTUBE In-Ceiling Speaker: Passive, 2-Way, 4 ohm Impedance, 8 1/4 in Overall Wd - Ceiling-Mount Speakers
SOUNDTUBECeiling-Mount Speakers

SOUNDTUBE In-Ceiling Speaker: Passive, 2-Way, 4 ohm Impedance, 8 1/4 in Overall Wd

The SOUNDTUBE CM400I-BK is a passive, indoor ceiling-mount speaker. It is a 2-way model with 4 ohm impedance and an 8 1/4 in overall width.

SKU 3G-OTH-384068

Brand
SOUNDTUBE
Item
In-Ceiling Speaker: Passive, 2-Way, 4 ohm Impedance, 8 1/4 in Overall Wd
Category
Ceiling-Mount Speakers
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Technical Specifications

SOUNDTUBE
Manufacturer Part Number
CM400I-BK
Type
2-Way, CM400I-BK
Impedance
4 ohm
Overall Wd
8 1/4 in
Power Style
Passive
For Location
Indoor
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SOUNDTUBE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SOUNDTUBE CM400I-BK is a passive, indoor ceiling-mount speaker. It is a 2-way model with 4 ohm impedance and an 8 1/4 in overall width.

Frequently Asked Questions

What is the SOUNDTUBE CM400I-BK in-ceiling speaker used for?

The SOUNDTUBE CM400I-BK is a passive, 2-way ceiling-mount speaker designed for indoor commercial or residential audio applications. It delivers background music or paging in offices, retail spaces, and hospitality venues, using a 4 ohm impedance for efficient power handling.

What are the specifications of the SOUNDTUBE CM400I-BK?

The SOUNDTUBE CM400I-BK is a passive, 2-way in-ceiling speaker with 4 ohm impedance and an 8 1/4 in overall width. It is rated for indoor use only. The manufacturer part number is CM400I-BK, and it requires an external amplifier to operate.

Where to buy the SOUNDTUBE CM400I-BK worldwide?

3G Electric supplies the SOUNDTUBE CM400I-BK worldwide. As a global industrial equipment distributor established in 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this passive ceiling speaker for your project.

How to install the SOUNDTUBE CM400I-BK in-ceiling speaker?

Install the SOUNDTUBE CM400I-BK by cutting a hole in the ceiling tile or drywall matching the speaker's 8 1/4 in width. Connect the speaker wires to a compatible amplifier (4 ohm output), secure the mounting tabs, and ensure the unit is flush with the ceiling surface for optimal sound dispersion.

Used in

Common applications for SOUNDTUBE
Warehouse paging — SoundTube RS31-EZ-T-BK pendant speakers for overhead voice announcements in high-ceiling storage areas.
Outdoor perimeter coverage — SoundTube SM590I-II-WX-WH wall-mount speakers for weather-resistant audio in loading docks or exterior zones.
Office background music — SoundTube CM600I-WH ceiling speakers for discreet 2-way audio in drop-ceiling commercial spaces.
Industrial emergency notification — SoundTube pendant speakers with AC-FE1 forged eyebolts for secure suspension in manufacturing plants.
Motion-triggered audio — SoundTube FP-MOTION MODULE with FP6030-II speakers for automated alerts in corridors or restricted areas.
Rack-mounted audio distribution — SoundTube AC-WLL-RMA rack mount adapter for integrating WLL-TX1 series speakers into equipment racks.

SOUNDTUBE Products

3G Electric supplies SOUNDTUBE ceiling-mount speakers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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