Grundig GRUN BT Loudspeaker

15 h, Rechargeable battery operated
Delivered between 5.3.2026 and 19.3.2026
Free shipping starting at 50.–

Audio Connections2

Product details

The GRUN BT speaker from Grundig is a portable stereo speaker designed for universal use. With its compact, rectangular shape and robust construction, it meets the demands of mobility and functionality. The speaker offers an impressive battery life of up to 15 hours, making it ideal for on-the-go use. The integrated battery can be charged in just 3 hours, allowing the speaker to be ready for use again quickly. The True Wireless Stereo (TWS) technology enables the connection of two speakers for an even more immersive sound experience. With an IP67 protection rating, the speaker is also waterproof and dustproof, making it a reliable companion for various outdoor activities. Bluetooth version 5.3 ensures a stable connection with a range of up to 30 meters, while the AUX input provides additional connectivity options. The GRUN BT speaker combines functionality and design in a compact format.

  • True Wireless Stereo (TWS) technology for wireless pairing
  • IP67 protection rating for water and dust resistance
  • Integrated power bank function for charging devices
  • Bluetooth 5.3 for improved connection and range
  • Built-in microphone for hands-free mode.

Key specifications

Protection type (IP code)
IP67
Audio Connections
Jack 3.5mm (1x)
Item number
43664989

General information

Manufacturer
Grundig
Category
Bluetooth speakers
Manufacturer no.
GLR7820
Release date
7.3.2024
May include power adapter
No

Colour

Colour
Black
Exact colour description
Black

Speaker properties

Audio channel
Stereo
Nominal power
8 W
Number of speakers
1x
Protection type (IP code)
IP67

Media playback properties

Playback source
Aux
Bluetooth version
5.3
Bluetooth transmission range
30 m

Connections

USB ports
USB-C
Audio Connections
Jack 3.5mm (1x)

Display properties

Display properties
LED

Power supply

Power supply
Rechargeable battery operated

Battery properties

Battery life
15 h
Capacity
2500 mAh
Charging time
3 h
Number of batteries
1
Power capacity
9.25 Wh

Origin

Country of origin
Germany

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Scope of delivery
1 x manual1 x USB cable

Product dimensions

Shape
Rectangular
Length
4.20 cm
Width
12.30 cm
Height
7.10 cm

Package dimensions

Length
13.50 cm
Width
10.70 cm
Height
13.30 cm
Weight
341 g

30-day right of return
24 Months Warranty (Bring-in)

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Goes with

Reviews & Ratings

Warranty score

How often does a product of this brand in the «Bluetooth speakers» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • Grundig
    Not enough data
  • 1.Sony
    0.5 %
  • 1.soundcore
    0.5 %
  • 3.Lamax
    0.6 %
  • 4.JBL
    0.7 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • Grundig
    Not enough data
  • 1.Hama
    0 days
  • 1.Lexon
    0 days
  • 1.soundcore
    0 days
  • 1.Xiaomi
    0 days

Return rate

How often is a product of this brand in the «Bluetooth speakers» category returned?

Source: Digitec Galaxus
  • Grundig
    Not enough data
  • 1.UE
    1.3 %
  • 1.Xiaomi
    1.3 %
  • 1.Yamaha
    1.3 %
  • 4.Lexon
    1.4 %
Source: Digitec Galaxus

Translation: machine translated
Overall ratingGood75/100
Good70/100
Audiovision Logo
AudiovisionSingle testReleaseJune 2024

With its thin backdrop, the splash-proof Bluetooth speaker is more suitable for playing music at the swimming pool or beach. It could have done more.

This test report belongs to a different type: GRUN BT Loudspeaker (Rechargeable battery operated)
Good69/100
Computer Bild Logo
Rank 5 out of 6Computer BildDie neuen Wellenreiter - 6 DAB Radios von 100 bis 200 EuroReleaseNovember 2023
  • PositiveGood voice reproduction
  • PositiveMany favourite places
  • PositiveMains and battery operation
  • NegativeThin and treble-heavy sound
  • NegativeModerate equipment
  • NegativeFiddly controls
Very good86/100
Satvision Logo
SatvisionSingle testReleaseAugust 2023
  • PositiveDAB+ and FM radio
  • PositiveBluetooth 5.3
  • Positive3
  • Positive5 mm jack connection
  • Positivehigh battery life
  • PositiveDust and waterproof (IPX5)