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

Wired keyboard with USB port

Multifunctional portable karaoke speaker system with backlight

Backlit wired keyboard

Relay automatic voltage regulator, 200 W, 2 sockets

Wireless mouse with adjustable cursor speed

Speaker system with illuminated volume control

Wireless stereo headset

Party speaker system with Bluetooth, karaoke and FM radio

Two plastic wireless dynamic microphones

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

HDMI to HDMI (2.0) cable with swivel connectors

Multifunctional speaker system with Bluetooth, USB/SD player, FM radio, display, remote control

News

11/20/2025

SVEN PS-1050 SPEAKER SYSTEM — SOUND THAT UNITES: KARAOKE, PARTIES AND MOOD

Introducing the new flagship portable speaker, the SVEN PS-1050 — the true maestro for anyone who values atmosphere as much as music. This isn't just a speaker; it's a complete mobile studio for home parties, backyard gatherings, and even outdoor performances.

Details >>
11/19/2025

SVEN GC-W1000 GAMING RACING WHEEL — A DEVICE THAT FEELS THE PULSE OF THE ROAD

We’re pushing the boundaries of virtual motorsport. Meet the GC-W1000, SVEN’s new flagship gaming racing wheel — not just a controller, but a true driver’s instrument, engineered for seamless immersion.

Details >>
11/18/2025

SVEN KB-G9200 MECHANICAL GAMING KEYBOARD — MAXIMUM CONTROL IN EACH COMMAND

Professional gamers know the value of precision, that is why they choose mechanical keyboards. We present the new keyboard SVEN KB-G9200. This model combines advanced technology and classic format.

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

Gaming headset

Speaker system with illuminated volume control

Wired mouse

Wired set: keyboard + mouse

New

Hybrid Active Noise Canceling (Hybrid ANC) wireless stereo headset

Wired in-ear earbuds

Programmable gaming mouse

Home audio system with Bluetooth

230V speakers with headphone and microphone jacks

New

Party speaker system with Bluetooth, karaoke and FM radio

UPS battery 12V 17Ah

Gaming mouse with silent buttons

News

11/20/2025

SVEN PS-1050 SPEAKER SYSTEM — SOUND THAT UNITES: KARAOKE, PARTIES AND MOOD

Introducing the new flagship portable speaker, the SVEN PS-1050 — the true maestro for anyone who values atmosphere as much as music. This isn't just a speaker; it's a complete mobile studio for home parties, backyard gatherings, and even outdoor performances.

Details >>
11/19/2025

SVEN GC-W1000 GAMING RACING WHEEL — A DEVICE THAT FEELS THE PULSE OF THE ROAD

We’re pushing the boundaries of virtual motorsport. Meet the GC-W1000, SVEN’s new flagship gaming racing wheel — not just a controller, but a true driver’s instrument, engineered for seamless immersion.

Details >>
11/18/2025

SVEN KB-G9200 MECHANICAL GAMING KEYBOARD — MAXIMUM CONTROL IN EACH COMMAND

Professional gamers know the value of precision, that is why they choose mechanical keyboards. We present the new keyboard SVEN KB-G9200. This model combines advanced technology and classic format.

Details >>

Other items

Programmable RGB backlit gaming keyboard.

Relay automatic voltage regulator, 600 W, socket

TWS in-ear headset

Fabric mouse pad with rubber backing

Portable speaker with backlight

Relay automatic voltage regulator, wall-mounted, LCD, 1200 W, 2 sockets

New

XB1S/X/P4/Windows compatible gaming steering wheel

Windows/PS3 compatible gaming steering wheel with shift lever

Hi-Fi acoustic system with the highest sound quality. Bluetooth, Optical, remote control, headphone output

Soundbar with wireless subwoofer

Speaker system with illuminated volume control

USB powered speakers with Bluetooth

News

11/20/2025

SVEN PS-1050 SPEAKER SYSTEM — SOUND THAT UNITES: KARAOKE, PARTIES AND MOOD

Introducing the new flagship portable speaker, the SVEN PS-1050 — the true maestro for anyone who values atmosphere as much as music. This isn't just a speaker; it's a complete mobile studio for home parties, backyard gatherings, and even outdoor performances.

Details >>
11/19/2025

SVEN GC-W1000 GAMING RACING WHEEL — A DEVICE THAT FEELS THE PULSE OF THE ROAD

We’re pushing the boundaries of virtual motorsport. Meet the GC-W1000, SVEN’s new flagship gaming racing wheel — not just a controller, but a true driver’s instrument, engineered for seamless immersion.

Details >>
11/18/2025

SVEN KB-G9200 MECHANICAL GAMING KEYBOARD — MAXIMUM CONTROL IN EACH COMMAND

Professional gamers know the value of precision, that is why they choose mechanical keyboards. We present the new keyboard SVEN KB-G9200. This model combines advanced technology and classic format.

Details >>

Other items

Party speaker system with Bluetooth, karaoke and FM radio

Fabric gaming mouse pad with rubber backing

Wireless set: multimedia keyboard + mouse

Dual Mode Wireless Mouse (2.4 GHz and Bluetooth)

Wired mouse with copy/paste buttons

Party speaker system with Bluetooth, karaoke and FM radio

Programmable gaming mouse

Fabric gaming mouse pad with rubber backing

Speaker system with headphone jack

Mechanical backlit gaming keyboard

USB powered speakers with side panel volume control

Backlit mechanical gaming keyboard

News

11/20/2025

SVEN PS-1050 SPEAKER SYSTEM — SOUND THAT UNITES: KARAOKE, PARTIES AND MOOD

Introducing the new flagship portable speaker, the SVEN PS-1050 — the true maestro for anyone who values atmosphere as much as music. This isn't just a speaker; it's a complete mobile studio for home parties, backyard gatherings, and even outdoor performances.

Details >>
11/19/2025

SVEN GC-W1000 GAMING RACING WHEEL — A DEVICE THAT FEELS THE PULSE OF THE ROAD

We’re pushing the boundaries of virtual motorsport. Meet the GC-W1000, SVEN’s new flagship gaming racing wheel — not just a controller, but a true driver’s instrument, engineered for seamless immersion.

Details >>
11/18/2025

SVEN KB-G9200 MECHANICAL GAMING KEYBOARD — MAXIMUM CONTROL IN EACH COMMAND

Professional gamers know the value of precision, that is why they choose mechanical keyboards. We present the new keyboard SVEN KB-G9200. This model combines advanced technology and classic format.

Details >>