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XL party blaster

Color: Black


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Why we love this product

If you need to feel the bass, not just hear it, and if no party is complete without room-shaking music - the BOOMSTER XL is for you.


Key advantages at a glance

  • Portable XL stereo speaker with Bluetooth, FM radio and giant down-firing subwoofer
  • 3-way system: 2 tweeters, 2 midrange drivers + subwoofer for powerful hi-fi sound with mega bass
  • Bluetooth 4.0 with aptX® & NFC for CD-quality wireless audio with Spotify, YouTube, etc.
  • FM radio with preset buttons & seek function in a robust aluminium enclosure
  • 2 band equalizer makes it easy to adjust sound levels
  • AUX input, USB charger and removable carry strap
  • Dimensions: Over half a meter wide, 20 cm deep

Developed in Berlin

When the tech nerds want to make a big sound the BOOMSTER XL is the result. A powerful, portable all-in-one speaker with the best sound in its price class. And no wonder. The same acoustic engineers who developed Teufel's award-winning high-end stereo speaker, the Definion 5, are also responsible for the BOOMSTER XL.



  • 3-way stereo system for balanced, high fidelity sound
  • Two tweeters capture the finest details in all genres of music
  • Two mid-range drivers ensure that vocals are played back with naturalness and warmth
  • Giant down-firing woofer produces powerful, clean and very deep bass
  • An extremely low-noise class D amplifier with an 80-watt maximum power capacity generates high, distortion-free levels even in large rooms
  • 2-band equalizer makes it easy to adjust sound levels
  • Adjustable subwoofer levels

Bluetooth: high fidelity wireless audio

Our products provide clean, stable Bluetooth connection with minimal power consumption at ranges from 10 meters and up.

Funktioniert für Systeme mit Android.
Funktioniert an Windows Geräten

Stream music, movies, or games from your smartphone, tablet, laptop, PC or Mac.

All operating systems supported.

Perfectly synced

The sound and video always match whether you're gaming or watching TV.

Bluetooth aptX

Qualcomm aptX

Qualcomm aptX is a Bluetooth codec which, similar to AAC, delivers CD-quality audio wirelessly. Both sending and receiving device must support this codec in order to use it. AptX is supported by Android devices as well as Mac OS.


NFC enables a simple connection of two Bluetooth devices without complex pairing.
NFC technology makes it possible for smartphones to pair with the BOOMSTER XL by simply bringing the two devices into close proximity. The system can memorize the profile of up to 6 different devices such as smartphones and tablets for instant connectivity.

Listen for longer

The BOOMSTER XL has a high-capacity lithium ion battery with a long runtime for musical adventures far from power outlets. A handy USB charging socket even lets you charge your smartphone with an up to 2 amp charging current.

Audio input connections

Analoger Stereo-Eingang zum Anschluss von MP3-Player, CD-Player, TV-Kopfhörerausgang oder anderen Quellen.
A 3.5 mm jack socket supports devices with mini stereo jacks. This allows for a range of source options in addition to Bluetooth.


Classic FM radio reception.
The integrated FM radio uses an external antenna for maximum reception and features a seek function to help you find the perfect radio station no matter where you are. Three preset buttons can be programmed with your favourite stations for even faster access to your music.

Aluminium casing

The BOOMSTER XL is made from highly robust yet attractive anodized aluminium and is even splash proof – nice to know when out and about in the great outdoors.

BOOMSTER XL Groß Frontansicht Teufel

Sound to go

Practical rubberised handles and a rubber slip-proof bottom add to the system’s portability and placement options. A handy carry strap attaches magnetically to a clever mount and can be easily removed.

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Included components

  • 1 × power cable for Boomster XL
  • 1 × Silicone feet for Boomster XL
  • 1 × Belt for BOOMSTER XL
  • 1 × Boomster XL rechargeable battery-pack – Black


  • BOOMSTER XL Akku - Set

    Boomster XL rechargeable battery-pack

    Hochkapazitiver Lithium-Ionen-Akku passend für den BOOMSTER XL

    • Description Item
      Battery capacity 8000 mAh
      Battery type Lithium-ion
    BOOMSTER XL von Teufel


    A portable sound system with 2 tweeters, 2 mid-range speakers and a subwoofer for those who want to enjoy powerful XL sound on-the-go.

    • Description Item
      Width 51 cm
      Height 26 cm
      Depth 20 cm
      Weight 9,95 kg
    • Description Item
      AUX Yes
      3.5mm stereo in 1
      Bluetooth Yes
      Bluetooth aptX Yes
      Compatible with Amazon Echo Yes
      Compatible with Google Home‌ Yes
      NFC Yes
    • Description Item
      Android Yes
      iOS Yes
      Microsoft Yes
    • Description Item
      FM Yes
      Channel memory slot - FM 3
    • Description Item
      Battery life at medium volume 10 h
      Battery type Lithium-ion
      Automatic on/off Yes
      Powerbank Yes
      Storage for settings when disconnected Yes
      Level control Yes
      Total power output capacity (RMS) 90 W
      Amplifier configuration 2.1
      Amplifier channels 5
    • Description Item
      Lowest frequency (-3 dB) 44 Hz
      Downfire Yes
      Enclosure material ABS plastic, aluminium
      Enclosure surface Anodised
      Tweeter (number per enclosure) 2
      Tweeter (diameter) 25 mm
      Midrange driver (number per enclosure) 2
      Midrange driver (diameter) 70 mm
      Woofer (number per enclosure) 1
      Woofer (diameter) 160 mm
      Frequency range 44 - 20000 Hz
      Maximum sound pressure level 105 dB/1m
      Acoustic principle 3-way-system
      Enclosure type Closed

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