RADIO ONE
The radio alarm clock with Teufel sound
-41%
169,99 €
99,99 €
- 25 € Voucher
- New
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Highlights
Why we love this product
In its new, fourth generation, the BOOMSTER comes with even longer battery life, state-of-the-art Bluetooth, and many other highlights. If you're looking to get a radio, make it a BOOMSTER.
Key advantages at a glance
- A complete overhaul of our popular stereo Bluetooth radio for indoors and out
- 2.1 stereo system with Dynamore® technology for a broad sound stage, integrated subwoofer, and two passive bass radiators for powerful HIFI sound
- Understand dialogue easily, enjoy natural sounding instruments, high volume with no distortion, granular control of bass and trebles with 32 instead of 16 volume levels
- DAB+ and FM-RDS radio with 6 preset buttons each on the remote control, swivel & telescoping antenna for great reception, dimmable display
- Bluetooth with AAC and aptX™ HD for streaming music in lossless quality from Spotify, Apple Music, YouTube, etc., Multipoint support (pair a second smartphone)
- IPX5 protected against water splashes, spray, and rain, easy to transport, rugged design, optional bag available
- Party Link Stereo: wirelessly connect two BOOMSTER 4s as a stereo set for even higher volume
- Up to 23 hours of playtime at medium volume, fast charge battery, AC power supply, real buttons for simple control, remote control, AUX input, USB-C power, charging, and service connection, available in three colors
A medium-sized speaker that you can "park" on a bookshelf, but which is made to take on the go
los40.com
09.02.2026
Features
All technologies at a glance
If you're looking for a radio, make it a BOOMSTER
The BOOMSTER has been recognized as one of Europe's most successful radios for over a decade. The secret? Great sound, timeless design, super easy controls, and a wide range of features.
Specifications
BOOMSTER 4
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Description Item Width 37 cm Height 18 cm Depth 14.8 cm Weight 3.75 kg -
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 45 W Minimum charge capacity 10 W -
Description Item DAB+ Yes FM Yes -
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
A medium-sized speaker that you can "park" on a bookshelf, but which is made to take on the go
los40.com
09.02.2026
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
Required accessories
Please check whether required cables are included.
Recommended accessories
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BOOMSTER Bag
BOOMSTER Bag: rugged transport bag with carrying strap for the BOOMSTER 4 and BOOMSTER (2020 to late 2025) and special edition BOOMSTERS
49,99 € -
USB-C Power Adapter 30W
Universal 30 watt fast charger for headphones, portables, Apple iPhones, Android smart phones, tablets, and all other devices with a USB-C port
19,99 €
Included components
BOOMSTER 4
- 1 × remote control for BOOMSTER 4 – Black
- 1 × USB-C Cable
Downloads & support
Shipping information
Shipping informationInformation about the guarantee
Warranty and guaranteeAudio glossary
Audio lexicon: Technical terms quickly explainedContact details
Store Finder
Experience our products in person and talk to our team directly for the best expert advice. Overview
6 Offer valid until 11/03/2026 23:59. Promocode cannot be redeemed for cash, nor can it be used in combination with other promotions. Cannot be sold and loses its value in the case of a sale. Learn more about applicable conditions in our General Business Conditions.