SKU: 23693102248

SoundTube Entertainment CM400i 4" Coaxial In-Ceiling Speaker (White)

Sale price$21989.25 Regular price$24432.50
Save 10%

Pay in installments of $6108.12 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 2 - Aug 7

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

SoundTube Entertainment CM400i 4" Coaxial In-Ceiling Speaker (White)The white CM400i 4" Coaxial In Ceiling Speaker by SoundTube is a two way, blindmount, in ceiling speaker that delivers effective low end response and optimal off axis performance. The CM400i speaker design incorporates a low profile grille and five position tap switch with a transformer bypass position. Mounting hardware is included and features a fast and secure constant tension fixed wing mounting system. One 4" polypropylene woofer and one 1"

The white CM400i 4" Coaxial In-Ceiling Speaker by SoundTube is a two-way, blindmount, in-ceiling speaker that delivers effective low-end response and optimal off-axis performance. The CM400i speaker design incorporates a low-profile grille and five position tap switch with a transformer bypass position. Mounting hardware is included and features a fast and secure constant-tension fixed-wing mounting system.

One 4" polypropylene woofer and one 1" convex aluminium tweeter with FerroFluid cooling
Rapid installation blind-mount, fixed-wing mounting mechanism with constant tension design affixed to ceiling
Separate tool-free magnetic grille and bezel assembly for ease of install and in-field painting
Powder-coated steel grille for lasting durability
90 dB average sensitivity, offers high output capabilities and reduced amplification costs
High-quality white paint finish
In the Box
SoundTube Entertainment CM400i 4" Coaxial In-Ceiling Speaker (White)
  • Color-coded (orange) tile bridge
  • Paint mask
  • UL cover plate
  • Limited 5-Year Warranty
Speaker Type 48" coaxial, in-ceiling, ported (20 W transformer for 25, 70.7, 100 VDC or transformer bypass)
Impedance 4 ? nominal
Sensitivity 90 dB @ 2.83 V/1 m
87 dB @ 1 W/1 m (1 W 1 m sensitivity determined using nominal impedance)
Frequency Response 90 Hz - 22 kHz @ -3 dB
75 Hz - 22 kHz @ -10 dB (Frequency response measured in half or full space as dictated by speaker mounting configuration)

Frequency response measured in half or full space as dictated by speaker mounting configuration.

Max. Program Power 40 W (Max program power is 3 dB above max continuous power)
Max. Continuous Power RMS 20 W (Continuous power rating, EIA-426-B test)
Max. power SPL 100 dB @ 1 m (Max output based on max continuous power)
Coverage Angle 100� (-6 dB @ 2 kHz)
65� (-6 dB @ 10 kHz)
95� (averaged 2-10 kHz)
Directivity Factor 4.6 (averaged 100 Hz - 10 kHz)
4.3 (2 kHz)
Directivity Index 5.6 dB (averaged 100 Hz - 10 kHz)
6.3 dB (2 kHz)
Tap Selector 5-position rotary switch with transformer bypass position
Transducer Low-Frequency Driver: 4" (102 mm) Polypropylene cone, butyl rubber surround
High-Frequency Driver: 1" (25 mm) Silk dome tweeter
Voice Coil Low-Frequency: 0.75" (19 mm)
Crossover Frequency 1.8 kHz
Network Type Low and High Pass 12 dB per octave, 2nd order
Certifications UL 1480 and 2043 Approved
CE Approved
RoHS Approved
Input Connector 1 x 4-pin, Euroblock terminal
Color White
Mounting Holes Diameter 6.6" (167.6 mm)
Ceiling Thickness 0.025 to 1.87" (0.6 to 47.5 mm) minimum to maximum
Dimensions (� x D) 6.05 x 6.55" (153.7 x 166.4 mm)
Weight 5.5 lb (2.5 kg)
Packaging Info
Package Weight 7.0 lb
Box Dimensions (LxWxH) 10.0 x 10.0 x 9.0"
All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 23693102248

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.9 ★★★★★
Based on 29 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
H
Verified Purchase
Harvey
Port Orchard, US
★★★★★ 5
Good stuff, but watch the temp
Model: NewSLS50_52
I used this in my single cab pickup truck (89 ford.) It only took half the box (10 sheets or 25 square feet) to do the floors, but I bought the big box because I plan to do the doors, back wall, and maybe the roof as well. One thing I learned is that the temperature matters when you’re doing the installation. It was around 55F when I started in the evening, and when it dipped down into the 40s the sheets would not stick to the metal, and were hard to compress with the roller. That’s why I ended up only doing the floors and not any vertical surfaces; i will have to wait for a nice hot day. The other thing is that the foil layer on top is razor sharp at the edges, definitely wear gloves! I didn’t notice until after but I have little papercuts all over my fingers. Aside from those things, the install was easy and straightforward. The sheets cut easily with scissors, and any goo that ends up on your hands or scissors can be cleaned up with acetone (nail polish remover), or lacquer thinner. I would use this stuff again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 16, 2023
L
Verified Purchase
Lyrah
Phoenix, US
★★★★★ 5
Very efficient!
Model: NewSLS50_52
Amazing the difference it makes on dumping the noise. Very easy to install. Pell and stick literally! Great!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 23, 2025
B
Verified Purchase
Beth
Dallas, US
★★★★★ 5
Great option for a great price
Size: 7.5, Color: Black
I love these sandals. They are well made, true to size and soft suede. They are lightweight and feel just like my UGG goldenstar sandals. (These are not as adjustable, so if you have narrow or wide feet, these may not be for you) These a great value for the money, especially for medium width feet. The strap across the toe is not adjustable, but fit my feet just fine. The ankle strap was a good length for me. And the Velcro is strong. These sandals are a great value for the money. I will probably start looking into kookaburra before I rush to buy the more expensive ones now.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2026
N
Verified Purchase
Never received!! Very disappointed!!
Chelsea, US
★★★★★ 5
Quality, good looking shoes!
Size: 8.5, Color: Green
Absolutely perfect fit, design, and color. I'm so pleased with these sandals and as always with this brand, I am not in anyway disappointed. These shoes are so comfortable right out of the box. They clean up very nicely, and last forever. I am so glad I got these before they were sold out.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 30, 2026
M
Verified Purchase
Marla
Pawtucket, US
★★★★★ 5
UGG Comfort Without the Premium Price
Size: 9, Color: Beige, Size: 9, Color: Beige
These sandals are super cute and incredibly comfortable. They have that classic UGG look and feel, but at a much more approachable price point. The footbed is cushioned and supportive, making them easy to wear for extended periods. The straps feel secure without rubbing, and the overall construction feels solid and well made. They’re lightweight but still have a sturdy sole with good traction. They pair effortlessly with casual outfits and have that relaxed, elevated vibe UGG is known for—just without the higher price tag. A great value for both style and comfort.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 20, 2026

recommand products