A compatible USB-C/PD power adaptor is required (15 – 60 W). Sold separately.
Product description
The official AC/DC Edition of our portable, water-resistant Bluetooth stereo speaker, the BOOMSTER, is your ultimate companion for high-power rock sound. Let everyone know what you listen to!
The BOOMSTER 4 AC/DC Edition comes with the official AC/DC band logo on the front and carrying handle as well as the High Voltage lightning bolt on both sides. Environmentally friendly, abrasion-proof printing. Show off your passion for hard rock.
A compatible USB-C/PD power adaptor is required (15 – 60 W). Sold separately.
To celebrate the epic music of AC/DC, we are releasing a limited edition of the BOOMSTER 4. The portable outdoor speaker not only pumps out potent rock sound, it's adorned with the iconic logo in gold, making it a visual homage to your favorite hard rock group.
Specifications
| Description | Item |
|---|---|
| Width | 37 cm |
| Height | 18 cm |
| Depth | 14.8 cm |
| Description | Item |
|---|---|
| DAB+ | Yes |
| FM | Yes |
| Description | Item |
|---|---|
| AUX | Yes |
| 3.5mm stereo in | 1 |
| Bluetooth | Yes |
| Bluetooth 5.0 | Yes |
| Bluetooth AAC | Yes |
| Bluetooth Multipoint | Yes |
| Bluetooth TWS | Yes |
| USB C | Yes |
| Bluetooth aptX-HD | Yes |
| Description | Item |
|---|---|
| Android | Yes |
| iOS | Yes |
| Microsoft | Yes |
| Description | Item |
|---|---|
| Display | Yes |
| Battery life at medium volume | 23 h |
| Battery capacity | 7500 mAh |
| Battery type | Lithium-ion |
| Power supply voltage | 230 V |
| Automatic on/off | Yes |
| Storage for settings when disconnected | Yes |
| Standby-Function | Yes |
| Total power output capacity (RMS) | 42 W |
| Amplifier configuration | 2.1 |
| Amplifier technology | Class D |
| Amplifier channels | 3 |
| Maximum charging capacity | 60 W |
| Minimum charge capacity | 15 W |
| Description | Item |
|---|---|
| Tweeter (number per enclosure) | 2 |
| Tweeter (diameter) | 20 mm |
| Tweeter (material) | Textile |
| Midrange driver (number per enclosure) | 2 |
| Midrange driver (diameter) | 65 mm |
| Midrange driver (material) | Paper |
| Passive radiator (total count) | 2 |
| Woofer (number per enclosure) | 1 |
| Woofer (diameter) | 110 mm |
| Woofer (material) | Paper |
| Frequency range | 44 - 20000 Hz |
| Acoustic principle | 3-way-system |
| Enclosure type | Closed |
| IPX5 water jet resistant | Yes |
| Description | Item |
|---|---|
| Dynamore® | Yes |
| Description | Item |
|---|---|
| Remote control | Infrared |
Reviews & Press Coverage
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About reviews
We only publish genuine customer reviews. Reviews can and may only be submitted by customers who have actually purchased the product. We ensure this by sending customers an email with a link to the product review of the purchased products after the products have been sent. A review can only be submitted once via this link.
The BOOMSTER has never been better...
The BOOMSTER has never been better: In its fourth generation, we're treated to a superb-sounding, impeccably equipped Bluetooth radio
[...] In our sound evaluation, the BOOMSTER 4 impressed with a dynamic, powerful and nuanced overall sound. This portable stereo Bluetooth radio handled a wide variety of music genres with ease.
“…now even more precise and spacious.”
“Teufel takes its classic to a new level with the Boomster 4. Longer battery life, USB-C, aptX HD and a refreshed design make this a versatile speaker for home and on the go. The sound remains powerful, typically Teufel – but now even more precise and spacious.”
Excellent battery life: Great-sounding Bluetooth speaker with DAB+
[...] Overall, the BOOMSTER 4 achieved a test score of 93.2 percent, confidently earning the top rating: "very good".
A very positive review for the Boomster 4, which proves to be high quality and very versatile.
“The Boomster 4 impresses across all genres and content types thanks to its detailed and excellent sound image. In addition, modern features such as multipoint mode, aptX HD codec, and the practical DAB+ radio function are used, resulting in a perfectly coherent package that is even suitable for outdoor use.”
A medium-sized speaker that you can "park" on a bookshelf, but which is made to take on the go
Teufel's BOOMSTER 4 is perfect for those who are looking for sound from a unique speaker that looks perfectly at home around your house, but is super easy to take out on the go.
Accessories
Please check whether required cables are included.
BOOMSTER Bag: rugged transport bag with carrying strap for the BOOMSTER 4 and BOOMSTER (2020 to late 2025) and special edition BOOMSTERS
Universal 60 watt fast charger with two charging ports (USB-C 60 watts/USB 7.5 watts) for headphones & portables as well as laptops and additional devices with up to 60 watts of power and USB-C connectivity
Included components
A compatible USB-C/PD power adaptor is required (15 – 60 W). Sold separately.
Downloads & support
Minimum age: 18. You must
live in either Austria, Belgium, Spain, France, Ireland, Italy, Luxembourg, the
Netherlands, or Portugal. Depending on country, installment payments can be made
using a credit card, a debit card, or SEPA direct debit.
Pending credit check performed by Alma. Duration of financing comprises either
2 or 3 monthly installment payments as chosen by the consumer. Customers paying
Alma installments pay no fees, effective annual interest of 0.00% applicable to
loan agreements concluded between 04/11/2026 and 11/11/2026. 0% financing is restricted
to selected products and order values ranging between 99 EUR and 5,000 EUR,
only for transactions in euros. Individual monthly installments for your order
depend on value of goods and will be displayed to you on the relevant product pages as well as the Alma checkout.
Creditor: Alma SAS, 176 Avenue Charles de Gaulle, 92200 Neuilly-sur-Seine, France. Security of payments guaranteed by Alma and its service providers. All payments protected by 3D Secure. Depending upon country, eligible customers must have a valid and accepted credit or debit card as a payment source, or share their SEPA direct debit information with Alma.
More information about Alma Installments can be found here: https://teufelaudio.com/payment-options
