Bowers & Wilkins CWM664 In-Wall Speaker

Experience stunning sound without compromising your space with the Bowers & Wilkins CWM664 in-wall speaker. Designed for high-performance audio and discreet installation, the CWM664 features advanced acoustic technology including a Nautilus™ tube-loaded soft dome tweeter and a black glassfibre cone bass/midrange driver for clear, dynamic sound. Perfect for multi-room audio or a stealthy home theater setup, this 2-way speaker offers the same footprint as the CWM663 but with a refined tonal balance. The innovative QuickDogs™ fixing system and plug-and-play connections make installation effortless for professionals and DIYers alike — just clip it in and go. Whether you're listening to music or movies, the CWM664 ensures you hear every detail, without ever seeing a speaker.

Specifications

• Speaker Type: 2-way in-wall system
• Tweeter: Nautilus™ tube-loaded 25mm soft dome tweeter
• Mid/Bass Driver: 150mm (6") black glassfibre cone
• Frequency Response: 45Hz – 35kHz
• Impedance: 8 ohms (minimum 4.5 ohms)
• Sensitivity: 87.5dB (2.83V, 1m)
• Recommended Amp Power: 25 – 130W into 8 ohms
• Mounting System: QuickDogs™ fixing system
• Connection: Plug-and-play terminal
• Grille: Paintable, magnetically attached
• Dimensions (Cut-out): 272mm x 190mm
• Mounting Depth: 95mm

Expanded Key Features List

• Nautilus™ Tube-Loaded Tweeter: Delivers detailed high frequencies by absorbing unwanted resonance within the tweeter structure.
• Black Glassfibre Bass/Mid Driver: Offers powerful, punchy bass and clean mids with excellent rigidity and responsiveness.
• 2-Way In-Wall Design: Provides high-fidelity sound while remaining completely flush with the wall for a minimalist aesthetic.
• QuickDogs™ Mounting System: Tool-less installation system allows you to easily secure the speaker into the wall in seconds.
• Plug-and-Play Connectivity: Simplifies the setup process with intuitive speaker wire terminals for fast, reliable connections.
• Discreet Appearance: Includes a paintable magnetic grille that blends seamlessly into any room décor.

Q&A Section

Q: What makes the CWM664 different from the CWM663?
A: The CWM664 uses a soft dome tweeter and black glassfibre cone instead of the CWM663’s aluminum dome tweeter and blue Kevlar® cone, offering a slightly warmer tonal character.

Q: Is the CWM664 suitable for home theater use?
A: Yes, it’s excellent for both music and home cinema applications, especially when paired with other Bowers & Wilkins in-wall or in-ceiling speakers.

Q: How easy is it to install the CWM664?
A: Very easy — the QuickDogs™ fixing system allows tool-free mounting, and the plug-and-play connections make wiring fast and straightforward.

Q: Can I paint the grille to match my walls?
A: Yes, the included magnetic grille is paintable, ensuring the speaker blends seamlessly into any room décor.

Q: Does the CWM664 need a separate amplifier?
A: Yes, it requires an external amplifier or AV receiver capable of driving 8-ohm speakers at 25–130 watts per channel.

Q: Can the speaker be used in a humid environment like a bathroom?
A: It is not rated for high-humidity environments, so it’s best suited for dry indoor spaces like living rooms, bedrooms, or media rooms.

Q: Is the speaker visible after installation?
A: No, once installed, only the flat, paintable grille is visible, making it nearly invisible against the wall.

Q: Can I install the CWM664 horizontally?
A: While it’s primarily designed for vertical orientation, horizontal installation is possible for center channel or aesthetic purposes, but may slightly affect dispersion.