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

SVEN BF-21

SVEN BF-21

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-20
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 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
    • 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 × 232
Weight, kg 7.5
Color black
Life time 5 years

Other items

Waterproof portable speaker with backlight

Gaming headset with RGB backlight and 7.1 virtual sound

New

Wireless stereo headphones with microphone

Portable radio with FM/AM/SW

Dual Mode Wireless Mouse (2.4 GHz and Bluetooth)

230V speakers with headphone audio output

Gaming set: keyboard + mouse + mousepad

New

Soundbar for TV

Wireless chiclet keyboard

Wireless mouse

Wired keyboard with 2 USB ports

Party speaker system with Bluetooth, karaoke and FM radio

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 >>

When you have achieved an occupational level in your own development, then you begin to sharpen your skills in everything. You have a down on details; make more demands to obtain a result. And if you equip your working place with speakers, then you try to select more qualitative speakers.

SVEN BF-21 multimedia two-way stereo system with wooden (MDF) case belongs just to such speakers. It is equipped with a built-in two-way non-capacitive power amplifier of high quality, as well as a transformer power supply source with a powerful filter and advanced temperature regime. Besides it can be connected to the active subwoofer to create the 2.1 system.

SVEN BF-21 is designed in a spirit of professional speaker systems. High frequencies are reproduced by silk dome-shaped 25 mm HF loudspeakers. The LF loudspeaker 4 inches in diameter is responsible for low frequencies. Its bullet-shaped phase-equalizing body minimizes sound distortions, equalizes the gain-frequency characteristic. Its sound is very detailed, deep, clear and saturated. It is characterized by high level of maximum volume.

SVEN BF-21 model is equipped with the master volume control, high and low frequency knobs, as well as Hi-Fi jacks to connect speaker one with the other.

SVEN BF-21 stereo system is a perfect choice for connoisseurs of qualitative stereo sound!

Other items

Waterproof portable speaker system with backlight

Wired clip-on microphone

Speakers with volume controls on the front panel

Party speaker system with Bluetooth, karaoke and FM radio

Backlit wireless stereo headset

On-ear wired headphones

New

Mechanical backlit gaming keyboard

TWS in-ear headset

Windows/Android/PS3/PS4/XB1/XB360/N-Switch/X-Input/Direct Input compatible gaming steering wheel with shift lever

Line interactive UPS, 400W, 3 sockets

Backlit gaming speaker system, Bluetooth, USB/SD player, FM radio, display, remote control

On-ear wired headphones

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

UPS battery 6V 4,5Ah

Mechanical programmable gaming keyboard

Wireless stereo headset

Ultra-thin mouse pad

Windows/Android/PS3 compatible wireless gamepad

Gaming headset with RGB backlight and 7.1 virtual sound

Bluetooth speakers with volume and tone controls and headphone output on the side panel

Wired in-ear earbuds

Bluetooth wireless speaker system

Speakers with volume control on the back

Wireless gaming mouse

Speakers with volume and tone controls and headphone output on the front panel

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

Wired keyboard

Relay automatic voltage regulator, wall-mounted, LCD, 400 W, 1 socket

Gaming headset

USB powered speakers with headphone and microphone jacks

Gaming headset with RGB backlight and 7.1 virtual sound

Wireless mouse with adjustable cursor speed

Windows compatible gaming steering wheel

Backlit wireless stereo headset

UPS battery 12V 5Ah

Line interactive UPS, 360W, 2 sockets

P4/Windows/Android/iOS compatible wireless gamepad

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 >>