Marantz MODEL M4 & 8 x Bowers & Wilkins CCM664 6" Ceiling Speaker Package
DETAILS
High-Performance Multi-Room Audio with Marantz MODEL M4 4-Zone Amplifier & B&W CCM664 Ceiling Speakers.
This premium audio package combines the power and flexibility of the Marantz MODEL M4 distribution amplifier with eight Bowers & Wilkins CCM664 6" ceiling speakers, creating a complete four-zone solution ideal for residential installations, custom AV setups, and premium multi-room audio systems.

The Marantz MODEL M4 is an 8-channel, 4-zone amplifier delivering 100W per channel (into 8 ohms) with Bridge Mode offering up to 4 x 200W for more demanding applications. HEOS® Built-in allows you to stream music from leading services such as TIDAL, Spotify, and Amazon Music HD to individual rooms or group zones together for whole-home playback. With four stereo RCA inputs, two optical inputs, four USB-A ports, and Ethernet connectivity, the MODEL M4 provides outstanding flexibility for any setup.

The included Bowers & Wilkins CCM664 speakers are part of the B&W Performance Series, engineered for easy installation and superb sound quality. Each speaker features a 6" woven glass fibre bass/midrange driver, an adjustable 1" soft dome tweeter, and a three-position EQ switch to fine-tune off-axis performance. Their QuickDogs™ mounting system and plug-and-play design make installation simple and secure, while delivering clear, detailed audio across all four zones.
Please note: speaker cable is not included in this package but will be available as a recommended add-on under “Frequently Bought Together” on the product page along with fire hoods if required.

Marantz MODEL M4 / B&W CCM664 Package Key Features:
- Complete Multi-Room Package: Includes Marantz MODEL M4 amplifier and 8 x Bowers & Wilkins CCM664 ceiling speakers.
- Powerful Amplification: 8 x 100W (8Ω) across four zones, with Bridge Mode for up to 4 x 200W.
- HEOS® Built-in: Stream music independently to each zone or group them together for whole-home playback.
- Flexible Connectivity: 4 x RCA inputs, 2 x optical inputs, 4 x USB-A ports, Ethernet networking, plus pre-outs and subwoofer outputs per zone.
- Premium Sound Quality: B&W CCM664 speakers with 6" woven glass fibre driver and adjustable soft dome tweeter.
- Easy Installation: QuickDogs™ fixing system for fast, secure ceiling mounting.
- Sound Optimisation: Three-position EQ switch on each speaker plus adjustable high/low pass filters on the amplifier.
- Integrator-Friendly: Rack-mountable 2U design, active cooling, 12V triggers per zone, and TCP/IP control compatibility.
- High-Resolution Audio: Support for FLAC, ALAC, WAV (24/192), DSD (2.8/5.6 MHz) for superior detail and fidelity.
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Warranty: Supplied with 5-year manufacturer’s warranty on speakers.
SPECS & DOWNLOADS
Marantz MODEL M4 Specifications:
Download the Spec Sheet HERE >
- Amplifier Output (8Ω): 8 x 100W (20Hz–20kHz, 0.05% THD)
- Amplifier Output (4Ω): 8 x 125W (1kHz, 0.1% THD)
- Frequency Response: 20Hz – 20kHz (±1dB)
- Speaker Impedance: 4 – 16Ω
- Inputs: 4 x Stereo RCA, 2 x Optical (TOSLINK)
- Outputs: 4 x Stereo Pre-Outs, 4 x Subwoofer Outs (Selectable)
- Streaming: HEOS®, AirPlay 2, Spotify Connect
- Audio Formats: WAV, ALAC, FLAC (24-bit/192kHz), DSD (2.8/5.6 MHz), MP3, AAC, WMA
- Sound Modes: Stereo, Direct, Virtual, Dialog Enhancer, Night Mode
- Control: HEOS® app (iOS, Android), TCP/IP (Crestron, Control4, AMX)
- Trigger Outputs: 12V (4)
- Networking: Dual Ethernet ports
- Dimensions (W x D x H): 415 x 442 x 106 mm
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Colour: Black
B&W CCM664 Specifications:
Download the PDF User Manual HERE >
- Description: 2-way in-ceiling system
- Drive Units: 1x ø25mm (1in) soft dome tweeter, 1x ø150mm (6in) black glass fibre cone bass/midrange
- Frequency Range (-6dB): 45Hz – 35kHz
- Sensitivity: 87 dB
- Nominal Impedance: 8Ω (minimum 5Ω)
- Power Handling: 130W
- Frame Diameter: 240mm
- Cut-out Diameter: 202mm
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Depth behind surface: 133mm
- Protrusion: 4mm

