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Tannoy

Tannoy CVS 401 4" Coaxial In-Ceiling Loudspeaker for Installation Applications

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The CVS 401 features a coaxial transducer design with a 4-inch polypropylene driver and a 0.75-inch ferrofluid-cooled soft dome high-frequency driver, which ensures a wide and even sound dispersion. The speaker is designed for reliability with durable components, including a weather- and UV-resistant UL 94-V0 ABS front baffle and a mineral-loaded polypropylene cone with a butyl rubber surround. The speaker is housed in an integral zinc-plated steel back can, which provides a fire-rated enclosure and also helps optimize low-frequency performance. For installation flexibility, the CVS 401 includes a low-insertion loss 70V/100V line transformer with multiple power taps and an 8-ohm direct input option.

The speaker comes with a comprehensive mounting package, including C-ring and tile rails, to simplify installation in various ceiling types. The unobtrusive semi-matte white finish (or black on the CVS 401-BK model) allows it to blend seamlessly into most environments.

View Product Features
  • Coaxial Driver Design: Features a 4-inch polypropylene low-frequency driver and a 0.75-inch high-frequency driver for a wide, constant 120° conical dispersion.
  • Safety Certified: Fully certified to EN 54-24 for fire detection and alarm systems, as well as UL 1480 and UL 2043 for fire-protected signaling and air-handling spaces.
  • High Power Handling: Provides 30 Watts continuous and 120 Watts peak power, delivering robust audio for both background and foreground music.
  • Versatile Tapping Options: Includes a low-insertion loss line transformer with multiple taps for 70V and 100V line systems, plus an 8-ohm direct input.
  • Durable Construction: Built with a UV- and weather-resistant baffle and a mineral-loaded polypropylene cone for long-term reliability in demanding conditions.
  • Easy Installation: Comes with all necessary mounting hardware, including a steel back can, C-ring, and ceiling tile rails, for quick and secure installation.
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About the Tannoy CVS 401 4" Coaxial In-Ceiling Loudspeaker for Installation Applications

The Tannoy CVS 401 is a compact 4-inch coaxial in-ceiling loudspeaker designed for flexible and discreet audio distribution in residential and small commercial installations. This speaker is engineered to provide clear, balanced sound for background music and voice reinforcement in spaces where larger speakers are impractical or where visual discretion is a priority, such as in bathrooms, hallways, kitchens, small offices, or retail boutiques. Its coaxial design integrates a 19mm soft-dome tweeter concentrically within the 4-inch bass/midrange driver, creating a unified point source that delivers coherent sound with consistent off-axis response. This configuration minimizes phase issues and provides a smooth frequency response, ensuring that music and speech are reproduced with clarity and presence even at lower volume levels.

Constructed for reliable performance, the CVS 401 features a rigid, injection-molded polypropylene enclosure that provides a stable acoustic environment. The paintable, magnetically attached grille allows for seamless color matching to ceiling finishes, making the speaker virtually invisible once installed. The driver utilizes a mineral-loaded polypropylene cone for accurate midrange reproduction and a ferrofluid-cooled tweeter for detailed high frequencies. Installation is simplified by a rotating cam system that securely locks the speaker into a standard ceiling cutout without requiring access from above, making it an ideal choice for both new construction and retrofit projects. The spring-clip terminals support quick-connect wiring, further streamlining the installation process.

For custom integrators and DIY installers seeking an affordable, high-quality solution for distributed audio, the Tannoy CVS 401 offers an excellent balance of performance, size, and value. Its compact form factor allows for installation in tight ceiling spaces, while its coaxial design ensures superior sound quality compared to many similarly sized speakers. This loudspeaker is a versatile component for building multi-room audio systems, providing clear and enjoyable sound that enhances the environment without drawing visual attention.

Key Features

  • Coaxial Driver Design: Features a 4-inch polypropylene low-frequency driver and a 0.75-inch high-frequency driver for a wide, constant 120° conical dispersion.
  • Safety Certified: Fully certified to EN 54-24 for fire detection and alarm systems, as well as UL 1480 and UL 2043 for fire-protected signaling and air-handling spaces.
  • High Power Handling: Provides 30 Watts continuous and 120 Watts peak power, delivering robust audio for both background and foreground music.
  • Versatile Tapping Options: Includes a low-insertion loss line transformer with multiple taps for 70V and 100V line systems, plus an 8-ohm direct input.
  • Durable Construction: Built with a UV- and weather-resistant baffle and a mineral-loaded polypropylene cone for long-term reliability in demanding conditions.
  • Easy Installation: Comes with all necessary mounting hardware, including a steel back can, C-ring, and ceiling tile rails, for quick and secure installation.

Tannoy CVS 401 4" Coaxial In-Ceiling Loudspeaker for Installation Applications Specs

Driver Configuration
Driver Size
4 inch
Driver Type
Coaxial (Woofer & Concentric Tweeter)
Tweeter
19mm Soft Dome
Frequency Response
80 Hz - 20 kHz
Power & Sensitivity
Continuous Power Handling
30 Watts
Sensitivity (1W @ 1m)
87 dB
Maximum SPL
103 dB
Nominal Impedance
8 Ohms
Crossover & Design
Crossover Type
Passive
Crossover Frequency
4.5 kHz
Bass Alignment
Infinite Baffle (Sealed)
Installation & Physical
Mounting Type
In-Ceiling (Flush Mount)
Mounting Depth Required
75 mm (2.95 inches)
Cutout Diameter
140 mm (5.51 inches)
Grille
Paintable White Fabric, Magnetic
Electrical & Environmental
Connections
Spring Clip Terminals
Recommended Amplifier
5-30 Watts per channel
Operating Temperature
0°C to 40°C
Humidity Range
10% - 90% non-condensing
Applications
Primary Use
Background Music, Multi-room Audio
Ideal Locations
Small Rooms, Hallways, Bathrooms, Retail
System Compatibility
Standard 8-ohm amplifiers

Key Features

  • Coaxial Driver Design: Features a 4-inch polypropylene low-frequency driver and a 0.75-inch high-frequency driver for a wide, constant 120° conical dispersion.
  • Safety Certified: Fully certified to EN 54-24 for fire detection and alarm systems, as well as UL 1480 and UL 2043 for fire-protected signaling and air-handling spaces.
  • High Power Handling: Provides 30 Watts continuous and 120 Watts peak power, delivering robust audio for both background and foreground music.
  • Versatile Tapping Options: Includes a low-insertion loss line transformer with multiple taps for 70V and 100V line systems, plus an 8-ohm direct input.
  • Durable Construction: Built with a UV- and weather-resistant baffle and a mineral-loaded polypropylene cone for long-term reliability in demanding conditions.
  • Easy Installation: Comes with all necessary mounting hardware, including a steel back can, C-ring, and ceiling tile rails, for quick and secure installation.
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