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
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

HDMI to HDMI (2.0) cable

Full size wired headset

Line interactive UPS, 400W, 3 sockets

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

New

Portable speaker with RGB backlight

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

Wired keyboard with low profile keys

Wireless set: chiclet keyboard + mouse + mousepad

Wired mouse with dynamic backlight

New

Hybrid Active Noise Canceling (Hybrid ANC) wireless stereo headset

Wireless mouse with silent buttons

News

03/26/2026

SVEN G600 GAMING MULTIMEDIA SPEAKERS — UNIQUE GAMER DESIGN

Introducing the new SVEN G600 multimedia 2.0 speaker system. More than just computer speakers, it’s a full-fledged gaming audio hub that perfectly blends compact practicality, sleek design, cutting-edge technology, and meticulous attention to detail.

Details >>
03/13/2026

SVEN VR-F1200U AND VR-F2000U VOLTAGE STABILIZERS — UNIVERSAL PROTECTION AND CONVENIENT CHARGING

We are pleased to present a new line of single-phase relay voltage stabilizers designed for comprehensive protection of home appliances and simultaneous charging of mobile devices.

Details >>
03/11/2026

SVEN PS-130 PORTABLE SPEAKER — WHERE MOOD COMES ALIVE

SVEN PS-130 portable speaker is more than just a compact audio device — it's a true mood maker that fits in the palm of your hand yet delivers sound far beyond its size. Weighing just half a kilogram and wrapped in an elegant body available in three vibrant colors — black, blue, or red.

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

Party speaker system with Bluetooth, karaoke and FM radio

Home audio system with Bluetooth and FM radio

Party speaker system with Bluetooth, karaoke and FM radio

Wireless set: keyboard + mouse

Compact speakers with cable volume control

Wired chiclet keyboard

Speakers with volume and tone controls on the side panel

Windows/PS3/PS4 compatible wired gamepad

Wired mouse

Wired keyboard

Wireless gaming mouse

Gaming headset with metal cups and detachable microphone

News

03/26/2026

SVEN G600 GAMING MULTIMEDIA SPEAKERS — UNIQUE GAMER DESIGN

Introducing the new SVEN G600 multimedia 2.0 speaker system. More than just computer speakers, it’s a full-fledged gaming audio hub that perfectly blends compact practicality, sleek design, cutting-edge technology, and meticulous attention to detail.

Details >>
03/13/2026

SVEN VR-F1200U AND VR-F2000U VOLTAGE STABILIZERS — UNIVERSAL PROTECTION AND CONVENIENT CHARGING

We are pleased to present a new line of single-phase relay voltage stabilizers designed for comprehensive protection of home appliances and simultaneous charging of mobile devices.

Details >>
03/11/2026

SVEN PS-130 PORTABLE SPEAKER — WHERE MOOD COMES ALIVE

SVEN PS-130 portable speaker is more than just a compact audio device — it's a true mood maker that fits in the palm of your hand yet delivers sound far beyond its size. Weighing just half a kilogram and wrapped in an elegant body available in three vibrant colors — black, blue, or red.

Details >>

Other items

Fabric gaming mouse pad with rubber backing

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

Wireless gaming mouse

Portable radio with LED display

Wired dynamic microphone in a plastic body

6 sockets surge protector, 2300 W

Party speaker system with Bluetooth, karaoke and FM radio

230V speakers with headphone and microphone jacks

Speaker system with the highest sound quality. Bluetooth, USB, microSD, FM, display, remote control

Waterproof portable speaker with backlight

Wired mouse with silent buttons

Line interactive UPS, 240W, 2 sockets

News

03/26/2026

SVEN G600 GAMING MULTIMEDIA SPEAKERS — UNIQUE GAMER DESIGN

Introducing the new SVEN G600 multimedia 2.0 speaker system. More than just computer speakers, it’s a full-fledged gaming audio hub that perfectly blends compact practicality, sleek design, cutting-edge technology, and meticulous attention to detail.

Details >>
03/13/2026

SVEN VR-F1200U AND VR-F2000U VOLTAGE STABILIZERS — UNIVERSAL PROTECTION AND CONVENIENT CHARGING

We are pleased to present a new line of single-phase relay voltage stabilizers designed for comprehensive protection of home appliances and simultaneous charging of mobile devices.

Details >>
03/11/2026

SVEN PS-130 PORTABLE SPEAKER — WHERE MOOD COMES ALIVE

SVEN PS-130 portable speaker is more than just a compact audio device — it's a true mood maker that fits in the palm of your hand yet delivers sound far beyond its size. Weighing just half a kilogram and wrapped in an elegant body available in three vibrant colors — black, blue, or red.

Details >>

Other items

Line interactive UPS, 400W, 3 sockets

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

Wired in-ear earbuds

Fabric gaming mouse pad with rubber backing

Programmable gaming mouse

Relay automatic voltage regulator, 320 W, 4 sockets

Relay automatic voltage regulator, 500 W, 2 sockets + 1 × ІЕС320

Wired keyboard with low profile keys

Full size wired headset

Ergonomic Dual Mode Wireless Mouse (2.4 GHz and Bluetooth)

Wired in-ear earbuds with microphone

News

03/26/2026

SVEN G600 GAMING MULTIMEDIA SPEAKERS — UNIQUE GAMER DESIGN

Introducing the new SVEN G600 multimedia 2.0 speaker system. More than just computer speakers, it’s a full-fledged gaming audio hub that perfectly blends compact practicality, sleek design, cutting-edge technology, and meticulous attention to detail.

Details >>
03/13/2026

SVEN VR-F1200U AND VR-F2000U VOLTAGE STABILIZERS — UNIVERSAL PROTECTION AND CONVENIENT CHARGING

We are pleased to present a new line of single-phase relay voltage stabilizers designed for comprehensive protection of home appliances and simultaneous charging of mobile devices.

Details >>
03/11/2026

SVEN PS-130 PORTABLE SPEAKER — WHERE MOOD COMES ALIVE

SVEN PS-130 portable speaker is more than just a compact audio device — it's a true mood maker that fits in the palm of your hand yet delivers sound far beyond its size. Weighing just half a kilogram and wrapped in an elegant body available in three vibrant colors — black, blue, or red.

Details >>