https://vk.com/rtrg?p=VK-RTRG-520044-9w6bu" style="position:fixed; left:-999px;" alt=""/>

SVEN BF-21R

SVEN BF-21R

Short product description:

  • Built-in dual-channel non-capacitive amplifier
  • ...
  • Built-in transformer power supply with a powerful surge prot...
  • Hypersensitive silk tweeters
All features
Similar products
SVEN SB-G1450
SVEN SB-G1400
SVEN MC-50
SVEN MC-30
SVEN MC-25
SVEN MC-20
SVEN MC-15
SVEN MC-10
SVEN MC-5
SVEN SPS-830
SVEN SPS-730
SVEN SPS-725
SVEN SPS-705
SVEN SPS-702
SVEN SPS-621
SVEN SPS-619 GOLD
SVEN SPS-619
SVEN SPS-614
SVEN SPS-612
SVEN SPS-606
SVEN SPS-604
SVEN SPS-603
SVEN SPS-585
SVEN SPS-580
SVEN SPS-576
SVEN SPS-575
SVEN SPS-565
SVEN SPS-535
SVEN SPS-517
SVEN SPS-512
SVEN SPS-509
SVEN 470
SVEN 450
SVEN 445
SVEN 431
SVEN 422
SVEN 370
SVEN 357
SVEN 340
SVEN 335
SVEN 325
SVEN 320
SVEN 318
SVEN 315
SVEN 312
SVEN 300
SVEN 255
SVEN 248
SVEN 230
SVEN 190
SVEN 150
SVEN 135
SVEN 130
SVEN 120
SVEN G600
SVEN G345
SVEN G342
  • FEATURES
  • SPECIFICATIONS
  • DESCRIPTION
  • UNBOXING VIDEO
  • SUPPORT

    • Built-in dual-channel non-capacitive amplifier
    • Built-in transformer power supply with a powerful surge protector, and improved temperature control
    • Hypersensitive silk tweeters
    • Hi-Fi jacks
    • Remote control
    • Power LED
    • Easy connection to various audio devices
    • Three stereo inputs
    • Active subwoofer output
    • Front-mounted phase inverter
    • Volume control and timbre control
    • Magnetic shielding
    • MDF case of speakers   

Output power (RMS), W 40 (2 × 20)
Frequency range, Hz 35 – 20,000
Tweeter diameter, mm Ø 25
Woofer diameter, mm Ø 100
Tweeter adjustment, dB ± 10
Bass adjustment, dB ± 10
Rated current, A 0,34
Magnetic shielding yes
Channel separation, dB ≥ 45
Power supply ~220 V / 50 Hz
Case material wood (MDF)
Dimensions (W × H × D), mm 150 × 310 × 225
Weight, kg 7.5
Color beech, black, silver, oak
Life time 5 years

Other items

Set of two wireless dynamic microphones

Fabric gaming mouse pad with rubber backing

Windows compatible gaming steering wheel

Gaming headset with RGB backlight and 7.1 virtual sound

Wired in-ear earbuds with microphone

Dual Mode Wireless Mouse (2.4 GHz and Bluetooth)

Relay automatic voltage regulator, 500 W, 4 sockets

Wired mouse

Wireless mouse with adjustable cursor speed

Wireless mouse with adjustable cursor speed

Speakers with USB/SD player and volume control on the front panel

News

27.01.2026

SVEN PS-375 PORTABLE SPEAKER — DEEP BASS AND DYNAMIC RGB LIGHTING

Introducing the new portable speaker system, the SVEN PS-375 — designed for those who appreciate powerful bass, crisp high frequencies, and the freedom to move without being tethered to a power outlet.

Details >>
26.01.2026

SVEN G345 SPEAKER SYSTEM — VIVID CHARACTER IN A SMALL CASE

Again we delight you with a device in the family of desktop acoustics - compact, technological and with character. The new model SVEN G345 is a 2.0 speaker system that fits easily into a workspace and at the same time pleases not only with high-quality sound, but also with an impressive visual presentation.

Details >>
23.01.2026

SVEN G342 SPEAKER SYSTEM — STYLISH SOUND ON THE WORK DESK

We continue to develop a family of compact acoustics that combines high sound quality, stylish design and the ability to occupy a minimum of space. The new device SVEN G342 is a 2.0 speaker system created for those who appreciate minimalism, functionality and spectacular visual presentation.

Details >>

Special features of SVEN BF-21R two-way multimedia stereo system are hypersensitive silk tweeters, Hi-Fi jacks, convenient remote control. The system is multifunctional due to three stereo inputs and a subwoofer output.

Other items

Web camera Full HD resolution

On-ear wired headphones

New

Wired dynamic microphone in a plastic body

Wireless dynamic microphone

Line interactive UPS, 400W, 3 sockets

Dual Mode Wireless Mouse (2.4 GHz and Bluetooth)

Line interactive UPS with LCD, 900W, 3 sockets, USB

Wired in-ear earbuds

Windows/Android/PS3 compatible wireless gamepad

Waterproof portable speaker with backlight

Wired keyboard

Programmable gaming mouse

News

27.01.2026

SVEN PS-375 PORTABLE SPEAKER — DEEP BASS AND DYNAMIC RGB LIGHTING

Introducing the new portable speaker system, the SVEN PS-375 — designed for those who appreciate powerful bass, crisp high frequencies, and the freedom to move without being tethered to a power outlet.

Details >>
26.01.2026

SVEN G345 SPEAKER SYSTEM — VIVID CHARACTER IN A SMALL CASE

Again we delight you with a device in the family of desktop acoustics - compact, technological and with character. The new model SVEN G345 is a 2.0 speaker system that fits easily into a workspace and at the same time pleases not only with high-quality sound, but also with an impressive visual presentation.

Details >>
23.01.2026

SVEN G342 SPEAKER SYSTEM — STYLISH SOUND ON THE WORK DESK

We continue to develop a family of compact acoustics that combines high sound quality, stylish design and the ability to occupy a minimum of space. The new device SVEN G342 is a 2.0 speaker system created for those who appreciate minimalism, functionality and spectacular visual presentation.

Details >>

Other items

On-ear wired headset

TWS in-ear earbuds with microphone

Backlit gaming keyboard

Portable wireless radio, USB/microSD player

Wireless set: keyboard + mouse

Gaming headset

Mechanical programmable gaming keyboard

300W Sine Wave Line Interactive UPS, External Batteries

Wired keyboard

Programmable gaming mouse

Compact gaming soundbar for computer with Bluetooth and dynamic switchable lighting

Waterproof portable speaker with backlight

News

27.01.2026

SVEN PS-375 PORTABLE SPEAKER — DEEP BASS AND DYNAMIC RGB LIGHTING

Introducing the new portable speaker system, the SVEN PS-375 — designed for those who appreciate powerful bass, crisp high frequencies, and the freedom to move without being tethered to a power outlet.

Details >>
26.01.2026

SVEN G345 SPEAKER SYSTEM — VIVID CHARACTER IN A SMALL CASE

Again we delight you with a device in the family of desktop acoustics - compact, technological and with character. The new model SVEN G345 is a 2.0 speaker system that fits easily into a workspace and at the same time pleases not only with high-quality sound, but also with an impressive visual presentation.

Details >>
23.01.2026

SVEN G342 SPEAKER SYSTEM — STYLISH SOUND ON THE WORK DESK

We continue to develop a family of compact acoustics that combines high sound quality, stylish design and the ability to occupy a minimum of space. The new device SVEN G342 is a 2.0 speaker system created for those who appreciate minimalism, functionality and spectacular visual presentation.

Details >>

Other items

Wireless dynamic microphone

HDMI to HDMI (2.0) cable

Relay automatic voltage regulator, 600 W, socket

Wireless set: chiclet keyboard + mouse + mousepad

Portable radio with LED display

Wireless mouse with adjustable cursor speed

Wired in-ear earbuds

USB 2.0 Am to microUSB cable

Speaker system with headphones and microphone inputs

Programmable gaming mouse

Portable speaker with backlight

Wired in-ear earbuds

News

27.01.2026

SVEN PS-375 PORTABLE SPEAKER — DEEP BASS AND DYNAMIC RGB LIGHTING

Introducing the new portable speaker system, the SVEN PS-375 — designed for those who appreciate powerful bass, crisp high frequencies, and the freedom to move without being tethered to a power outlet.

Details >>
26.01.2026

SVEN G345 SPEAKER SYSTEM — VIVID CHARACTER IN A SMALL CASE

Again we delight you with a device in the family of desktop acoustics - compact, technological and with character. The new model SVEN G345 is a 2.0 speaker system that fits easily into a workspace and at the same time pleases not only with high-quality sound, but also with an impressive visual presentation.

Details >>
23.01.2026

SVEN G342 SPEAKER SYSTEM — STYLISH SOUND ON THE WORK DESK

We continue to develop a family of compact acoustics that combines high sound quality, stylish design and the ability to occupy a minimum of space. The new device SVEN G342 is a 2.0 speaker system created for those who appreciate minimalism, functionality and spectacular visual presentation.

Details >>