Marantz MODEL M4 & 8 x BluCube BCK65 6.5" Ceiling Speaker Package

DETAILS

High-Performance Multi-Room Audio with Marantz MODEL M4 & BluCube BCK65 6.5" Ceiling Speakers.

This complete audio package pairs the Marantz MODEL M4 distribution amplifier with eight BluCube BCK65 6.5" in-ceiling speakers, delivering a flexible four-zone solution for residential installations, custom AV setups, and multi-room audio systems.

Designed for seamless integration, it brings powerful, high-resolution Marantz sound to multiple rooms with ease.

The Marantz MODEL M4 offers 8 x 100W amplification (into 8 ohms) across four zones, with Bridge Mode enabling up to 4 x 200W for more demanding setups. HEOS® Built-in provides streaming from services such as TIDAL, Amazon Music HD, and Spotify, either to individual zones or grouped for whole-home playback. Connectivity includes 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 audio performance and integration.

The BluCube BCK65 speakers feature a 6.5" woven Kevlar bass/midrange driver and a titanium dome tweeter with 30-degree tilt and full rotation swivel for precise positioning. Built-in 6dB attenuation switches and a 4Ω/8Ω impedance selector allow fine-tuning to suit any room. Their low-profile, magnetically attached rimless grilles provide a modern, discreet look, while high-quality components and durable construction ensure long-term performance.

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 BCK65 Package Key Features:

• Complete Multi-Room Package: Marantz MODEL M4 amplifier with 8 x BluCube BCK65 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 inputs, 2 x optical inputs, 4 x USB-A ports, pre-outs, subwoofer outputs, Ethernet.
• Premium Speakers: 6.5" woven Kevlar driver with titanium dome tweeter for detailed, balanced audio.
• 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.
• Warranty: 5-year manufacturers warranty for peace of mind.
  

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
• Colour: Black
  

BluCube BCK65 Specifications:

• Woofer:  6.5″ woven Kevlar, 1″ voice coil, 22 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: 45Hz-22KHz
• Sensitivity: 88dB at 1W/1 M
• Recommended Amplifier Power: 10-125 watts
• Impedance: 4ohm/8ohm selectable on PCB
• Cut-out size: 202 mm (7.95″)
• Depth: 101mm (4″)

UK Delivery Charges

Orders over £99.00 will be delivered FREE of charge via our Standard UK Delivery Service (2-3 days, UK Mainland).

All orders below £99.00 will be sent at a rate of £3.99 per order (2-3 days, UK Mainland). 

If you need your item faster, we also offer a Premium Delivery, Next Day Tracked service at a cost of £9.95.

Do you require your item before 12 pm? We offer a Premium Delivery, Next Day Tracked, Pre 12 service at a cost of £14.99.

Note: Next-day services are classed as working days (Mon-Fri) and do not include weekends.

For a UK mainland Saturday Delivery Service, the rate is £19.99  

All delivery options will be available at the checkout stage. 

(Please ensure you add a mobile number to your order for tracking)

Cut-off Times

Orders must be placed before 3:30 pm to guarantee
same-day dispatch. Any orders placed after this time are not guaranteed
to be shipped the same day, and are more likely to be shipped the next
working day.

To guarantee Saturday Delivery, orders must ideally be placed before 2 pm.

We operate during office hours, Mon-Fri, 9 am - 5 pm,
and are closed during the weekend. Orders placed over the weekend or
Friday after cut-off will be processed and shipped the following Monday.

Scottish Highlands & Islands

Due to our location relative to the Scottish Highlands & Islands,
we cannot offer a next-day service. Items being sent to the following
postcodes will carry a minimum of 2 days' lead time.

• Scottish Highlands: FK17-21, IV1-39, IV52-54, IV63, KW1-14, PA21-40 (excluding PA38), PH19-26, PH30-41, PH49-50
• Scottish Islands: HS1-9, IV40-51, IV55-56, KA27-28, KW15-17, PA20, PA38, PA41-49, PA60-78, PH42-44, ZE1-3

International Delivery Charges

Standard EU Shipping service £29.99  (Shipping to The Republic of Ireland, France, Germany, Guernsey & Jersey - 3-5 days)

Other Destinations - Price will be dependant on your location and number of boxes. Please get in touch for more details.

Delivery Notes

On delivery, you must inspect the goods carefully for damage as Audio
Volt is unable to accept responsibility for damage in transit, shortage
of delivery or loss of products unless the customer advises Audio Volt
of such within three working days from the date of delivery.

EU Import Tax

Any goods shipped outside of the UK, over a certain value, will incur an import tax. The cost and rate will depend on the country and the order value.

This is a legal requirement and MUST be paid prior to delivery in order to receive your goods. You will be contacted by the courier once the order is dispatched to pay the fee.

Failure to pay import tax when applicable will result in the order
being shipped back to Audio Volt. Any returned goods sent back to us due
to non-payment of import tax are NOT ELIGIBLE for a refund on the
shipping charge.

60 Day Returns Policy

We ask that you follow these guidelines to help us process your return as quickly and efficiently as possible:

1. Please
keep your order reference to hand. This confirms your original order
and gives us the necessary details to authorise the product’s return.

2. Contact our Customer Services Team on 02476 369890 (or e-mail info@audiovolt.co.uk). We will then send you an RMA number and a returns form, which needs to be completed and sent back with the returned item(s).

3. (If
the order has been unpacked) re-package it to ensure that it is being
returned in its original condition. Please make sure all items relating
to the product are returned, including manuals and cables.

4. When returning an item, please obtain a ‘proof of postage’ receipt from the Courier.

Returned
items must be mailed within 10 days of when the RMA Number has been
issued. Items received with a post date 30 days after your requested
return will NOT be eligible for refund.

Please note:
Our returns policy is quite straightforward, but there are a number of
conditions that we ask our customers to comply with before applying:

1. It
is your responsibility to request a return. If you don’t tell us you
want to make a return, we don’t know. Once you do tell us, we will do
everything we can to action it.

2. If you have
not requested a return within 60 days of receiving an order, we will
assume that you are intending to keep it, and we will not authorise a
return.

3. We always refund the payment
according to how the original purchase was made and aim to do so within
72 hours of the return being received by us.

4. Returned
goods are liable for a restocking fee of 15% towards handling and
repackaging if the order is not returned in its original, unopened
packaging. This charge will be subject to our inspection of the returned
goods.

5. Delivery charges will not be refunded unless the delivered goods are faulty.

6. Replacement products are dispatched immediately after the returned goods have been received and accepted by Audio Volt.

7. Items
that develop a fault within 30 days of delivery are eligible for a
replacement or a refund. Delivery costs are also reimbursed for faulty
items. Please contact our Customer Services Team on 02476 369890 if you
believe your item has developed a fault.

Finally, please remember
that notifying us of your intention to apply for a return, saving the
delivery paperwork and keeping the order in its original packaging will
help both you and Audio Volt to process the return quickly.

Any Questions?

If you have any questions about our Returns policy, please telephone us on 02476 369890 or email us at info@audiovolt.co.uk

(We operate during office hours, Mon-Fri, 9 am - 5 pm, and are closed during the weekend)