SOUNDTUBEPendant-Mount Speakers

SOUNDTUBE In-Ceiling Speaker: Passive, 2-Way, 4 ohm Impedance, 7 3/4 in Overall Wd

The SOUNDTUBE RS400I-BK is a passive, 2-way in-ceiling speaker with a 4 ohm impedance and 7 3/4 in overall width. Designed for outdoor use, this pendant-mount speaker is part of the SOUNDTUBE brand lineup.

SKU 3G-OTH-419771

Also listed as: RS400IBK · RS400I BK

Brand

SOUNDTUBE

Item

In-Ceiling Speaker: Passive, 2-Way, 4 ohm Impedance, 7 3/4 in Overall Wd

Local availability & support

Delivery: Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

SOUNDTUBE

Manufacturer Part Number

RS400I-BK 

Type

2-Way, RS400I-BK 

Impedance

4 ohm 

Overall Wd

7 3/4 in 

Technical Documents

No technical documents available for this product.

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SOUNDTUBE Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is the SOUNDTUBE RS400I-BK in-ceiling speaker used for?

The SOUNDTUBE RS400I-BK is a passive, 2-way in-ceiling speaker designed for outdoor applications. It delivers clear audio in covered patios, gazebos, or commercial outdoor spaces where a flush-mount, weather-resistant sound solution is needed.

What are the specifications of the SOUNDTUBE RS400I-BK?

The SOUNDTUBE RS400I-BK is a passive, 2-way speaker with 4 ohm impedance and 7 3/4 in overall width. It is rated for outdoor use and comes in a pendant-mount configuration. The manufacturer part number is RS400I-BK.

Where to buy the SOUNDTUBE RS400I-BK worldwide?

3G Electric supplies the SOUNDTUBE RS400I-BK to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this passive, 2-way in-ceiling speaker.

How to install the SOUNDTUBE RS400I-BK in-ceiling speaker?

Install the SOUNDTUBE RS400I-BK by cutting a hole to the required diameter, connecting the speaker wires to the 4 ohm terminals, and securing the unit with the included mounting tabs. For outdoor use, ensure all connections are weatherproofed per local codes.

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 pendant-mount speakers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

Browse all SOUNDTUBE products →Contact our engineers →