



Soundtube CM400I-WH - Two-Way 4-Inch In-Ceiling Loudspeaker (White)
Availability:
Special Order ItemThis item is not stocked and needs to be ordered from the manufacturer. Please contact our sales team for more information.

Description
The CM400i is a 4”, two-way, blind-mount in-ceiling speaker that delivers effective low-end response (75 Hz, ±10 dB) and optimal off-axis performance (2-10 kHz, independently verified). 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.
Features:
- One 4" (102 mm) polypropylene woofer and one 1" (25.4 mm) convex aluminum tweeter with FerroFluid cooling
- Rapid installation blind-mount, fixed-wing mounting mechanism with constant tension design affixing to ceiling thicknesses ranging from 0.025" (0.6 mm) to 1.87" (47.5 mm)
- Easy access five-position selectable tap switch for 25, 70.7, and 100 V applications with transformer bypass position
- 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
- UL1480A and UL2043 approved
- High-quality black or white paint finish. Custom paint colors optional
- Included accessories: color-coded (orange) tile bridge, Euroblock connector, and UL cover plate
- Optional accessories: color-coded (orange) pre-construction bracket (AC-CM4-PCB) and junction box (AC-CMi-JBOX)
Color | White |
UPC | 752830440388 |
Manufacturer | SoundTube |
Manufacturer's Category | CMi In-Ceiling |
Shipping Weight | 7.25 lbs / 3.29 kg |
Carton Height | 9.25 in / 234.95 mm |
Carton Length | 10 in / 254 mm |
Carton Width | 10 in / 254 mm |
Certifications | CE, RoHS, UL1480A, UL2043 |
Enclosure Properties | ABS, Ported, Steel |
Enclosure Volume | 104 cu in / 1704.25 cu cm |
Included Accessories | Conduit Plate, Euroblock, Grille, Paint Mask, Choose Between a Tile Bridge or Pre-Construction Bracket |
Optional Accessories | Black Grille (GRL-CM400-BK)|Flangeless Magnetic Grille (WHITE ONLY) (GRL-CM42EZ-II-RD-WH)|Tile Bridge (AC-CMEZ42-TB)|Pre-Construction Bracket (AC-CMEZ4-PCB)|Junction Box (AC-CM-JBOX)|Connector (EUROBLOCK) |
Source Inputs | 4 Pin 5.08mm Euroblock |
TAA Compliant (Trade America) | No |
BAA Compliant (Made in USA) | No |
Backcan Diameter | 6.05 in / 153.7 mm |
Backcan Height | 6.55 in / 166.4 mm |
Coverage Angle (±6dB @ 2kHz) | 65Á |
Crossover Frequency | 1.8 kHz |
Cutout Width/Diameter | 6.6 in / 167.6 mm |
Directivity Factor (Q) (Averaged 100Hz - 10kHz, @ 2kHz) | 4.6 and 4.3 |
Directivity Index (DI) dB (Averaged 100Hz - 10kHz, @ 2kHz) | 5.6dB and 6.3dB |
Frequency Response (± 10 dB) | 75 Hz - 22 kHz |
Frequency Response (± 3 dB) | 90 Hz - 22 kHz |
Grille Properties | Black, Standard-Flange, Magnetic, Powder-Coated, Paintable, Steel |
Low Frequency Voice Coil | 0.75 in / 19 mm |
Low Pass Crossover | 12 dB per octave 2nd order |
Max. Ceiling Thickness | 1.87 in / 47.5 mm |
Max. Continuous Power RMS | 20W |
Max. Program Power | 40 W |
Minimum Impedance (_ Ohms) | 3.3 _ |
Minimum Ceiling Thickness | 0.02 in / 0.6 mm |
Network Type: High Pass | 12 dB per octave 2nd order |
Nominal Impedance (_ Ohms) | 4 _ |
Tweeter Driver | 1" Convex Aluminum w/ BroadBeam¬ Waveguide |
Woofer Driver | 4" Polypropylene |
Sensitivity dB @ 1W/1M | 87 dB |
Sensitivity dB @ 2.83V/1M | 90 dB |
Tap Selector | Rotary Switch |
Transformer Options | 25 / 70.7 / 100 V, 4 Ohm direct |
Transformer Taps Max. Setting (25V/70.7V/100V) | 2.5W/20W/20W |
Visible Diameter | 8.15 in / 207 mm |
Visible Height | 0.47 in / 11.9 mm |
The CM400i is a 4”, two-way, blind-mount in-ceiling speaker that delivers effective low-end response (75 Hz, ±10 dB) and optimal off-axis performance (2-10 kHz, independently verified). 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.
Features:
- One 4" (102 mm) polypropylene woofer and one 1" (25.4 mm) convex aluminum tweeter with FerroFluid cooling
- Rapid installation blind-mount, fixed-wing mounting mechanism with constant tension design affixing to ceiling thicknesses ranging from 0.025" (0.6 mm) to 1.87" (47.5 mm)
- Easy access five-position selectable tap switch for 25, 70.7, and 100 V applications with transformer bypass position
- 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
- UL1480A and UL2043 approved
- High-quality black or white paint finish. Custom paint colors optional
- Included accessories: color-coded (orange) tile bridge, Euroblock connector, and UL cover plate
- Optional accessories: color-coded (orange) pre-construction bracket (AC-CM4-PCB) and junction box (AC-CMi-JBOX)
Color | White |
UPC | 752830440388 |
Manufacturer | SoundTube |
Manufacturer's Category | CMi In-Ceiling |
Shipping Weight | 7.25 lbs / 3.29 kg |
Carton Height | 9.25 in / 234.95 mm |
Carton Length | 10 in / 254 mm |
Carton Width | 10 in / 254 mm |
Certifications | CE, RoHS, UL1480A, UL2043 |
Enclosure Properties | ABS, Ported, Steel |
Enclosure Volume | 104 cu in / 1704.25 cu cm |
Included Accessories | Conduit Plate, Euroblock, Grille, Paint Mask, Choose Between a Tile Bridge or Pre-Construction Bracket |
Optional Accessories | Black Grille (GRL-CM400-BK)|Flangeless Magnetic Grille (WHITE ONLY) (GRL-CM42EZ-II-RD-WH)|Tile Bridge (AC-CMEZ42-TB)|Pre-Construction Bracket (AC-CMEZ4-PCB)|Junction Box (AC-CM-JBOX)|Connector (EUROBLOCK) |
Source Inputs | 4 Pin 5.08mm Euroblock |
TAA Compliant (Trade America) | No |
BAA Compliant (Made in USA) | No |
Backcan Diameter | 6.05 in / 153.7 mm |
Backcan Height | 6.55 in / 166.4 mm |
Coverage Angle (±6dB @ 2kHz) | 65Á |
Crossover Frequency | 1.8 kHz |
Cutout Width/Diameter | 6.6 in / 167.6 mm |
Directivity Factor (Q) (Averaged 100Hz - 10kHz, @ 2kHz) | 4.6 and 4.3 |
Directivity Index (DI) dB (Averaged 100Hz - 10kHz, @ 2kHz) | 5.6dB and 6.3dB |
Frequency Response (± 10 dB) | 75 Hz - 22 kHz |
Frequency Response (± 3 dB) | 90 Hz - 22 kHz |
Grille Properties | Black, Standard-Flange, Magnetic, Powder-Coated, Paintable, Steel |
Low Frequency Voice Coil | 0.75 in / 19 mm |
Low Pass Crossover | 12 dB per octave 2nd order |
Max. Ceiling Thickness | 1.87 in / 47.5 mm |
Max. Continuous Power RMS | 20W |
Max. Program Power | 40 W |
Minimum Impedance (_ Ohms) | 3.3 _ |
Minimum Ceiling Thickness | 0.02 in / 0.6 mm |
Network Type: High Pass | 12 dB per octave 2nd order |
Nominal Impedance (_ Ohms) | 4 _ |
Tweeter Driver | 1" Convex Aluminum w/ BroadBeam¬ Waveguide |
Woofer Driver | 4" Polypropylene |
Sensitivity dB @ 1W/1M | 87 dB |
Sensitivity dB @ 2.83V/1M | 90 dB |
Tap Selector | Rotary Switch |
Transformer Options | 25 / 70.7 / 100 V, 4 Ohm direct |
Transformer Taps Max. Setting (25V/70.7V/100V) | 2.5W/20W/20W |
Visible Diameter | 8.15 in / 207 mm |
Visible Height | 0.47 in / 11.9 mm |
We are your source for all your pro audio needs, delivered by experts. Call us today.
We are your source for all your pro audio needs, delivered by experts. Call us today.