Marantz MODEL M4 & 8 x BluCube BCK80 8" Ceiling Speaker Package
DETAILS
Powerful Multi-Room Audio with Marantz MODEL M4 & BluCube BCK80 8" Ceiling Speakers
This premium multi-room audio package pairs the Marantz MODEL M4 distribution amplifier with eight BluCube BCK80 8" in-ceiling speakers, delivering a high-performance four-zone system for residential or commercial installations.
Ideal for larger rooms and spaces requiring deeper, more defined audio, this package combines seamless Marantz amplification with the clarity and precision of BluCube flagship speakers.

The Marantz MODEL M4 provides 8 x 100W of clean power into 8 ohms, with Bridge Mode available for up to 4 x 200W for more demanding setups. HEOS® Built-in allows you to stream music from popular services like Spotify, TIDAL, and Amazon Music HD to individual zones or grouped for whole-home playback. Connectivity options include four RCA stereo inputs, two optical inputs, four USB-A ports, pre-outs, subwoofer outputs per zone, and Ethernet networking. High and low-pass filters, Marantz Musical Digital Filtering (MMDF), and TV Sound Grouping ensure optimal integration and sound performance.

The BluCube BCK80 speakers feature an 8" woven Kevlar bass/midrange driver and a titanium dome tweeter with 30-degree tilt and full rotation swivel for precise positioning. Integrated 6dB attenuation switches and a 4Ω/8Ω impedance selector allow custom tuning for any environment. Their low-profile, magnetically attached rimless grilles provide a sleek, modern look while high-quality crossover components ensure seamless frequency blending and detailed sound reproduction.
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.

Marantz MODEL M4 / BluCube BCK80 Package Key Features:
- Complete Multi-Room Package: Marantz MODEL M4 amplifier with 8 x BluCube BCK80 ceiling speakers.
- Powerful Amplification: 8 x 100W (8Ω) across four zones, Bridge Mode up to 4 x 200W.
- HEOS® Built-in: Stream to each zone independently or group zones for whole-home playback.
- Flexible Connectivity: 4 x RCA stereo inputs, 2 x optical inputs, 4 x USB-A ports, pre-outs, subwoofer outputs, Ethernet.
- Premium Speakers: 8" woven Kevlar driver and titanium dome tweeter for deep, controlled bass and clear mids.
- Customisable Audio: 6dB attenuation switches and 4Ω/8Ω impedance selector for flexible setup.
- Tweeter Positioning: 30-degree tilt and full rotation swivel for precise sound dispersion.
- Stylish Installation: Low-profile, magnetically attached rimless grille.
- High-Resolution Sound: High-quality crossover network ensures seamless frequency blending.
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Warranty: 5-year manufacturers warranty for long-term reliability.
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
BluCube BCK80 Specifications:
- Woofer: 8″ woven Kevlar, 1.25″ voice coil, 25 oz magnet, bumped back plate, vented pole piece
- Tweeter: 1″ titanium dome, ferro-fluid cooled, 30° swivel and pivot, neodymium magnet
- Crossover: FR4 board with 18dB per octave network, +/- 3dB attenuation switches on woofer & tweeter, 4ohm/8ohm switchable on PCB, Polyimide switch-auto protect reset switch, 14AWG connection to woofer section. Gold Plated terminals will accept 14AWG wire
- Frequency Response: 40Hz-22KHz
- Sensitivity: 89dB at 1W/1 M
- Recommended Amplifier Power: 10-150 watts
- Impedance: 4ohm/8ohm selectable on PCB
- Cut-out size: 241 mm (9.5″)
- Depth: 120mm (4.72″)

