Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
SOUNDTUBE CM400I-BK Passive 2-Way Ceiling-Mount Speaker - Ceiling-Mount Speakers
SOUNDTUBECeiling-Mount Speakers

SOUNDTUBE CM400I-BK Passive 2-Way Ceiling-Mount Speaker

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

Also listed as: CM400IBK · CM400I BK

Brand
SOUNDTUBE
Item
CM400I-BK Passive 2-Way Ceiling-Mount Speaker
Part Number
CM400I-BK
Category
Ceiling-Mount Speakers
Available to Order
Also known as:CM400I-BKSOUNDTUBE
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

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

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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
Commercial offices — SOUNDTUBE CM31-EZ-BK ceiling speakers for background music and paging in open-plan and private office areas.
Retail stores — SOUNDTUBE CM62-EZS-II-WH ceiling speakers for distributed audio and announcements in sales floors and customer areas.
Conference rooms — SOUNDTUBE SM31 wall plate (AC-SM31-MP-BK) for mounting speakers in meeting and presentation spaces.
Educational facilities — SOUNDTUBE tile bridge for CM62-EZ/CM82-EZ speakers to support ceiling installations in classrooms and lecture halls.
Hospitality venues — SOUNDTUBE theft-resistant grille for IW31-EZ speakers in public areas such as lobbies and corridors.
Audio system control — SOUNDTUBE FP-LIGHT MODULE for automatic light-based adjustment of FP Series amplifiers and speakers in rooms with variable lighting.
Not sure this is the right part? Photo-identify it→

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from SOUNDTUBE

View all SOUNDTUBE parts →
The SOUNDTUBE CM62-EZS-II-WH is a passive 2-way ceiling-mount speaker for indoor use. It features a 16 ohm impedance and an overall width of 11 3/4 inches. Suitable for distributed audio in commercial spaces such as offices, retail stores, and conference rooms
SOUNDTUBE
The SOUNDTUBE CM62-EZS-II-WH is a passive 2-way ceiling-mount speaker for indoor use. It features a 16 ohm impedance and an overall width of 11 3/4 inches. Suitable for distributed audio in commercial spaces such as offices, retail stores, and conference rooms
Passive 2-way ceiling-mount speaker for indoor distributed audio systems. Features 8 ohm impedance, 14 3/4 in width, and 9 in height. Suitable for background music or paging in commercial spaces
SOUNDTUBE
Passive 2-way ceiling-mount speaker for indoor distributed audio systems. Features 8 ohm impedance, 14 3/4 in width, and 9 in height. Suitable for background music or paging in commercial spaces
Passive 2-way ceiling-mount speaker for indoor use. 8 ohm impedance, 8 1/4 in width, 2 3/4 in height. Suitable for paging, background music, or public address in commercial spaces
SOUNDTUBE
Passive 2-way ceiling-mount speaker for indoor use. 8 ohm impedance, 8 1/4 in width, 2 3/4 in height. Suitable for paging, background music, or public address in commercial spaces
This passive 2-way ceiling-mount speaker is designed for indoor use in commercial or residential settings. With a 16 ohm impedance and 11 3/4 inch overall width, it is suitable for flush-mount installation in suspended ceilings for background music or paging systems
SOUNDTUBE
This passive 2-way ceiling-mount speaker is designed for indoor use in commercial or residential settings. With a 16 ohm impedance and 11 3/4 inch overall width, it is suitable for flush-mount installation in suspended ceilings for background music or paging systems

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first