Grundig GBT Club 20 W

20 h, Rechargeable battery operated
2Ratings
BrandMore from Grundig
Delivered between 28.2.2026 and 13.3.2026
Free shipping starting at 50.–

Colour2

Product details

Charge your smartphone with the power bank function featuring 5.0 V and 1.0 A. Thanks to the extended Bluetooth coverage area, you can enjoy your favorite music up to 20 meters away from your smartphone—without interruption. The waterproof casing has an IPX7 protection rating. With True Wireless Stereo, you can enjoy sound in stereo quality. This unique Bluetooth 5.0 feature allows you to connect two speakers together. The hands-free function makes it easy to answer calls with just the push of a button, thanks to the built-in microphone. An integrated LED battery level indicator shows the charging status.

Main features:
Number of speakers: 2
Audio RMS power: 20 W
Frequency range: 80 - 20000 Hz
Transmission technology: Wired & wireless
Wi-Fi: No
Bluetooth: Yes
3.5 mm jack: No
AUX input: Yes
Bluetooth version: 5.0
Bluetooth range: 20 m
USB connectivity: Yes
USB connector: USB Type-C
Number of USB 2.0 ports: 1
USB charging port: Yes
Product color: Coral.

Key specifications

Protection type (IP code)
IPX7
Audio Connections
1 x USB-C
Item number
23788847

General information

Manufacturer
Grundig
Category
Bluetooth speakers
Manufacturer no.
GBTClub/cor
Release date
11.9.2021

Colour

Colour
Red
Exact colour description
Coral

Speaker properties

Audio channel
Stereo
Nominal power
20 W
Frequency range
80 - 20000 Hz
Equipment + Functions
Water-resistant, Waterproof
Number of speakers
1 x
Durability
Waterproof
Protection type (IP code)
IPX7
Application range
Consumer / Hi-Fi

Media playback properties

Playback source
USB
Bluetooth version
5.0
Bluetooth transmission range
20 m

Connections

USB ports
USB-B
Audio Connections
1 x USB-C

Display properties

Display properties
Digital display

Power supply

Power supply
Rechargeable battery operated

Battery properties

Battery type
Li-ion
Battery life
20 h
Capacity
4000 mAh
Charging time
6 h
Number of batteries
1
Battery size
AA / LR6 / LR06 / Mignon / R6 / R14505

Origin

Country of origin
China

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Scope of delivery
USB Type-C cable

Product dimensions

Length
7.20 cm
Width
20.30 cm
Height
7.40 cm
Weight
700 g

Package dimensions

Length
23.40 cm
Width
11.90 cm
Height
10.90 cm
Weight
876 g

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

Compare products

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.LogiLink
    1.4 %
Source: Digitec Galaxus