


Soundtube CM400i-BK - Two-Way 4-Inch In-Ceiling Loudspeaker (Black)
Availability:
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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 | Black |
| UPC | 752830440487 |
| 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 | Black |
| UPC | 752830440487 |
| 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 |
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