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Marshall Kilburn III Portable Speaker - Black and Brass (7340055404778)

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More than fifty hours of playback on one charge, and sound spread over 360 degrees with no dead spot. The dials on the top panel set bass, treble and volume, just like on an amp.

  • More than 50 hours of battery life
  • 360-degree True Stereophonic sound
  • Class D amplification: 30 W and 2 x 10 W
  • A 4-inch woofer and two 2-inch drivers
  • Bass, treble and volume dials on the top
  • IP54 water and dust resistant
  • Multipoint: two devices connected at the same time
  • Auracast compatible
  • Charges a phone from the speaker
  • 3.5 mm AUX input and USB-C port
  • Sound balance kept at low volume
  • Handle lined with red velvet
  • Weight 2.8 kg
Ref.: 7340055404778
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Marshall Kilburn III Portable Speaker - Black and Brass (7340055404778) — image 1
Marshall Kilburn III Portable Speaker - Black and Brass (7340055404778) — image 2
Marshall Kilburn III Portable Speaker - Black and Brass (7340055404778) — image 3
Marshall Kilburn III Portable Speaker - Black and Brass (7340055404778) — image 4
Marshall Kilburn III Portable Speaker - Black and Brass (7340055404778) — image 5
Marshall Kilburn III Portable Speaker - Black and Brass (7340055404778) — image 6
Marshall Kilburn III Portable Speaker - Black and Brass (7340055404778) — image 7
Marshall Kilburn III Portable Speaker - Black and Brass (7340055404778) — image 8
Marshall Kilburn III Portable Speaker - Black and Brass (7340055404778) — image 9
Marshall Kilburn III Portable Speaker - Black and Brass (7340055404778) — image 10

Non-contractual photos

The visuals on this page are supplied by the manufacturer. They are frequently produced for a whole range — not for the exact model you are viewing: what you see in the photo is never a promise of what is included.

No exchange, return or cancellation will be accepted on the grounds that something seen in a photo (accessory, port, colour, keyboard layout, packaging…) is not found on the delivered product. Only the specifications written on the page are binding for the order.

What the image does not guarantee:

  • Staging : microphone stand, boom arm, pop filter, mounts and ambient speakers photographed are not included unless stated.
  • Quantity : the number of speakers or channels visible in the image does not necessarily match the set sold.
  • Cables and tips : the cables, adapters, ear tips and cases supplied are those listed in the specifications.
  • Specifications : Bluetooth, jack socket, USB, noise cancellation and battery life cannot be read from a photo.
  • Colour : one image often serves several colours, and the shade you see depends on studio lighting as much as on your screen settings; the colour sold is the one in the title and the specifications.
  • Props and accessories : the items shown around the product (cables, stands, decorative objects, content displayed on screen) are not included unless explicitly stated.
  • Packaging : boxes, labels and bundles change with the manufacturer's revisions: the packaging delivered may differ from the one in the photo.

What is binding: the product title, this page's technical specifications, the description and, when provided, the manufacturer's PDF datasheet available in the downloads.

The slightest doubt about a specification? Contact us before ordering and we will check for you.

(+212) 05 30 31 64 21+212 6 64 10 46 24service.client@iris.ma

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3 799,00 DHincl. VAT

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Receive it between Wed 23 Sept and Fri 25 Sept — free delivery all over Morocco

Delivery to your address

Receive it between Wed 23 Sept and Fri 25 Sept — free delivery all over Morocco

The estimate is refined using actual delivery rounds to your city.

  • Free delivery from 3 000 DH of purchases, all over Morocco.
  • Below that, the same rate in every city for parcels up to 30 kg (delivery to your home or workplace) — the exact amount is shown above, then in the basket.
  • Above 30 kg, the rate follows the parcel's weight. In Casablanca, the flat rate holds up to 120 kg.
  • You are notified by SMS, then called by the courier before your parcel is handed over (delivered by Sapress).
  • Observed delivery time: 1 to 5 working days depending on the city.
Free in-store collection: Casablanca (within 24 h) · Témara (within 48 h)

In-store collection — free

Casablanca store
We bring it to the store within 24 h
We call you as soon as it arrives in store.

Résidence Manoir des Roses, Lot. 18, Boulevard El Hachmi El Filali, Rond-point Bachkou, Casablanca

Opening hours

  • Mon–Fri: 10am – 7pm
  • Sat: 10am – 2pm
  • Closed on Sundays and public holidays

Payment on site: cash, bank card via terminal, certified cheque.

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Temara pickup point
We bring it to the store within 48 h
We call you as soon as it arrives in store.

Boulevard Hassan II, Résidence Les Perles de Témara, Immeuble 5, appartement 2, Témara

Opening hours

  • Mon–Fri: 8.30am – 1pm / 2pm – 6pm
  • Sat: 8.30am – 12.30pm
  • Closed on Sundays and public holidays

Payment on site: cash, bank card via terminal, certified cheque.

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1 year warranty — free repair in Morocco if it breaks down during the warranty period

1 year manufacturer's warranty

This product is covered for 1 year by a manufacturer's warranty (the brand's official warranty). Your iris.ma invoice serves as the warranty document: keep it safe.

A problem with your product? Don't worry: contact us by phone, WhatsApp or e-mail. Depending on the brand, we direct you either straight to the repairer appointed by the brand to fix your product, or to us — and we take care of the rest.

  • If a repair is possible, it is carried out free of charge.
  • If the product cannot be repaired, the brand offers an exchange for another product.
  • If no product is available, a refund is issued as soon as the brand confirms it.

Faulty straight out of the box? Some brands offer an immediate exchange, others a repair. Contact us to find out what applies to your product.

The warranty covers breakdowns occurring under normal use, as defined by the brand's terms. Product breakage (drop, impact, liquid…) is not covered, nor are certain consumable parts.

(+212) 05 30 31 64 21+212 6 64 10 46 24service.client@iris.ma

New, never opened — our commitment

All our products are new, delivered in their sealed original packaging.

We commit to never sending you a product that has been opened, unboxed or returned by another customer — even one “just opened for checking”.

Any doubt on delivery (damaged box, seal already opened)? Point it out to the courier or contact us immediately: we take the product back and send you another one.

Sales invoice

Every order comes with its sales invoice, included with the parcel (handed over in person for a store collection).

Ordering for a company? Using the details you give at checkout (company name and ICE), the invoice is issued in your company's name, with its ICE.

Need a quote? Request a free quote — reply within 24 working hours.

100% secure payment: Bank transfer · Bank card · Cash on delivery · Certified cheque

Accepted payment methods

Bank transfer

Simply transfer the amount shown to account 007 826 0002684000000426 89 — SGM2I, Attijariwafa bank. The rest (the reference to quote, sending us the proof, tracking) is explained right after confirmation and by email. An instant transfer is recommended: it saves you 24 hours on the delivery time.

Bank card

Your everyday Moroccan bank card is enough — Visa, Mastercard or CMI, no special card required. Foreign cards are accepted too. Secure payment by Attijari Payment.

Cash on delivery

Pay the courier in cash on delivery — no fee.

Certified cheque

Certified cheque payable to “sgm2i”. Have your bank certify the cheque, then send us a copy on WhatsApp (+212 6 64 10 46 24) or to service.client@iris.ma — we dispatch as soon as we receive it.

Cash at a bank branch

Pay the cash in at any of the 3,400 Attijariwafa Bank branches in Morocco, to the SGM2I account no. 0268 D 000 000 426. You do not need an account there: your ID and the cash are enough.

The methods offered depend on the order total and the carrier — checkout shows the final list.

Google reviews4.7(553 reviews)

Product overview

Make a statement with the Marshall Kilburn III, a portable speaker designed to deliver powerful, immersive sound wherever you go. Its 360° True Stereophonic sound spreads rich, balanced audio with no dead spots. Exceptional battery life of more than 50 hours keeps the music going for as long as you like. Tough and IP54-rated, it stands up to dust and splashes. Bluetooth 5.3, intuitive controls and a power bank function round off this premium speaker. Ideal for demanding music lovers who want performance, portability and Marshall's iconic design.

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Technical specifications

Technical specifications
Weight (kg)2.8 kg
BluetoothBluetooth 5.3
Output power50 W (Class D amplifiers: 30 W for the woofer, 2 x 10 W for the full-range drivers)
Box contentsSpeaker, USB-C to USB-C charging cable, quick start guide, legal and safety information
Dimensions (W x H x D)273 x 169 x 150 mm
Battery typeRechargeable and replaceable lithium-ion
IP protection ratingIP54 — protected against dust and splashing water
Frequency response45 Hz - 20 kHz
Audio input1 auxiliary jack input (3.5 mm)
Battery lifeMore than 50 hours
Bluetooth codecsSBC, LC3 and AAC (MPEG-2)
Speaker typePortable speaker
Technical specifications (continued)
Audio power31 W to 60 W
Battery runtime25 h or more
Water resistance (IP rating)4 — splashing water (IPX4, IP54)
Playback sources3.5 mm jack input
Speaker featuresMulti-speaker chaining (Auracast, PartyBoost), Power bank function, Bluetooth multipoint (two devices)
Charging time3 hours with a 30 W USB-C PD charger, fast charge: 20 minutes for 8 hours of playback
Drivers (transducers)1 woofer (4 inches), 2 full-range drivers (2 inches)
Wireless pairing and daisy-chainingAuracast: wireless chaining of several compatible speakers
Local media playbackNone
Charging connectorUSB-C (5 V / 3 A or 9 V / 3 A)
Warranty1 year

Specific references

EAN7340055404778

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Frequently asked questions about this product

What is the battery life of the Marshall Kilburn III speaker?
It offers more than 50 hours of battery life in continuous playback, so you can enjoy your music without frequent recharging.
Is the Marshall Kilburn III water-resistant?
It is IP54 certified: resistant to splashes and dust, it goes with you indoors and outdoors. However, it is not designed to be submerged.
What is the Kilburn III's True Stereophonic sound?
It is 360° stereo sound that fills the space with precision and depth, with no dead zones, wherever you are around the speaker.
Which Bluetooth version does the Marshall Kilburn III use?
Bluetooth 5.3 with Auracast and a multipoint function, for a stable connection and streaming to several compatible devices.
What are the power output and audio configuration of the Kilburn III?
It combines a 4" woofer and two 2" drivers, with Class D amplification of 30 W + 2 × 10 W and a sound level of 91 dB SPL at 1 metre. Frequency response 45 Hz – 20 kHz.
Can you adjust the bass and treble on the Marshall Kilburn III?
Yes, the top panel has analogue controls inspired by Marshall amps to adjust the bass, treble and volume directly on the speaker.
Can the Kilburn III speaker charge a phone?
Yes, it has a built-in power bank function via its USB-C port, handy for topping up a mobile device.
Can you connect a non-Bluetooth source to the Kilburn III?
Yes, it has a 3.5 mm AUX input in addition to Bluetooth, as well as a USB-C port.
What are the dimensions and weight of the Marshall Kilburn III?
It measures 273 × 150 × 169 mm and weighs about 2.8 kg, with a red velvet-lined handle for carrying it. Its Black & Brass finish carries on Marshall's iconic look.
Is the Marshall Kilburn III new and under warranty?
Yes, it is new and covered by a 1-year warranty, with your invoice serving as proof.

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