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© 1990—2025, Defender Technology OÜ.

Defender - Portable speaker Boomer 20

Product number 65820

Unavailable now

Portable speaker

Boomer 20

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24 month warranty

Bluetooth 5.0

The new standard increases the data transfer rate by 2 times, the range by 4 times, and the power consumption of this process is significantly lower than that of previous versions of wireless communication modules

LED backlight

TYPE C connector

The plug can be connected in any position without hazard of damaging the contact, which guarantees a significantly longer service life of the connector

True Wireless Stereo (TWS) - an option to pair two separate speakers into one 2.0 speaker system

Built-in FM-receiver

Built-in MP3 player

Use USB flash drives, SD or MicroSD cards as a sound source

USB flash drives and MicroSD card support

Microphone jack

Audio-in AUX port

AUX-in and 3.5 mm to 3.5 mm jack cable allow to connect the speakers to PC, player or mobile phone and use as a powerful loudspeaker

Built-in cradle for smartphone

Convenient handle to take the device with you easily

Phase inverter on the front panel

Enhances sound quality and bass reproduction, deepens the sound

Specifications

Speaker system

Type
Wireless speaker
Product series
for home
Speaker system type
active
Total output power (RMS)
20 W
Signal to noise ratio
85 dB
Frequency range
150—18000 Hz
Sound scheme
2.0, mono
Number of bands
1
Quantity of drivers
2 pcs
Wideband speaker
2 х 3 "
Speaker driver impedance
4 Ohm
Speaker cone material
cellulose
Speaker magnet size
2 x (49.5x8) mm
Type of earcups
bass reflex type
Bass reflex port place
front
Audio-in ports
AUX audio-in
Wireless connection
Bluetooth 5.0
Operation range
10 m
True Wireless Stereo (TWS)
yes
Hands free function
no
Display
no
Remote control unit
no
Backlight
LED
Lighting effects
yes
Number of backlight modes
3
Backlight off function
yes
Degree of dust and moisture protection IP
no
Power connector type
Type-C
Power supply
via USB, 5V, Li-Ion battery
Battery capacity
2400 mA·h
Battery voltage
3.7 V
Battery type
form factor 18650, 3.7V, 1200mAh - 2 pcs (parallel connection)
Battery charging time
6 hrs
Battery life at 50% / 75% of maximum volume
6 / 4 hrs
On/off button
yes
Built-in FM-tuner
yes
Tuner frequency range
87.5—108 MHz
Aerial
built-in internal antenna
MicroSD card support
yes
USB flash drive support
yes
Maximum supported capacity of memory card / USB flash drives
32 GB
Audio file formats
MP3
Microphone jack
6.3 mm jack
Microphone in ports
1
Connectors
6.3 mm jack, AUX audio-in, Micro-SD, Type-C, USB
Control panel on the case
yes
Functions that work while the battery is charging
MP3, AUX audio-in, Bluetooth, Micro-SD, radio, USB
Compatible OS
no limits
Housing material
plastic + metal
Height
292 mm
Width
160 mm
Depth
150 mm
Color
black

Logistics characteristics

Warranty period
24 months
Product size (without package)
14.80 x 28.50 x 15.30 cm
Net weight
1.15 kg
Individual package size
19.20 x 32.50 x 19.20 cm
Box individual volume
0.012 m³
Individual package weight
1.44 kg
Box size
35.50 x 40.50 x 60.50 cm
Box volume
0.0564 m³
Box weight
9 kg
Quantity in box
6 pcs
ROHS / CE
Yes
ITF-14
14745090820260
EAN
4745090820263

Package contents

Speaker system
Operation manual
Type-C jack cable

Gallery

Download

Manual Boomer 20 (2.5 Mb)