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

SVEN BF-31

SVEN BF-31

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
  • 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
    • Power LED
    • Stereo input for 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 50 (2 × 25)
Frequency range, Hz 35 – 20,000
Tweeter diameter, mm Ø 25
Woofer diameter, mm 2 × 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 × 460 × 232
Weight, kg 11
Color beech, black, silver, oak
Life time 5 years

Other items

Wired mouse with dynamic backlight

On-ear wired headphones

Speaker system with headphone jack

Gaming headset

Waterproof portable speaker with backlight

Wired keyboard

Mini soundbar with volume controls on the front panel

Line interactive UPS, 360W, 2 sockets

Desktop gaming microphone with backlight

New

TWS in-ear headset

Soundbar with wireless subwoofer

Party speaker system with Bluetooth, karaoke and FM radio

News

09/09/2025

SVEN PS-990 PORTABLE SPEAKER SYSTEM — POWERFUL SOUND EVEN UNDER WATER

We introduce you the new portable acoustic system SVEN PS-990, which combines seemingly incompatible features: high power, compact, stylish design and water protection. This model is designed for those who are not used to limit parties to the walls of the house.

Details >>
08/21/2025

SVEN PS-395 PORTABLE SPEAKER — A CLASSIC FORMAT IN A NEW INTERPRETATION

We continue to delight fans of portable speakers by offering increasingly original models - both in design and construction. Our engineers not only regularly update the design of speakers, but also rethink familiar formats.

Details >>
08/13/2025

SVEN RX-G980W GAMING MOUSE — PRECISION, SPEED AND COMPLETE FREEDOM OF ACTION

Just look at the new gaming mouse SVEN RX-G980W and you will see that this is a true flagship device which combines the most modern technologies from the world of computer-game peripherals.

Details >>

SVEN BF-31 two-way multimedia stereo system is an excellent choice for connoisseurs of high quality stereo sound. The system provides clear sound with intensive bass, high volume level, which is achieved due to good power specifications. The MSS has a subwoofer output.

Other items

Wired mouse

On-ear wired headset

Relay automatic voltage regulator, 200 W, 2 sockets

Wired in-ear earbuds with microphone

USB powered speakers with Bluetooth

Speaker system with Bluetooth, remote control and headphone output

Party speaker system with Bluetooth, karaoke and FM radio

Relay automatic voltage regulator, 320 W, 4 sockets

Fabric gaming mouse pad with rubber backing

Set of two wireless dynamic microphones

Speakers with volume control on the back

Multifunctional portable karaoke speaker system with backlight

News

09/09/2025

SVEN PS-990 PORTABLE SPEAKER SYSTEM — POWERFUL SOUND EVEN UNDER WATER

We introduce you the new portable acoustic system SVEN PS-990, which combines seemingly incompatible features: high power, compact, stylish design and water protection. This model is designed for those who are not used to limit parties to the walls of the house.

Details >>
08/21/2025

SVEN PS-395 PORTABLE SPEAKER — A CLASSIC FORMAT IN A NEW INTERPRETATION

We continue to delight fans of portable speakers by offering increasingly original models - both in design and construction. Our engineers not only regularly update the design of speakers, but also rethink familiar formats.

Details >>
08/13/2025

SVEN RX-G980W GAMING MOUSE — PRECISION, SPEED AND COMPLETE FREEDOM OF ACTION

Just look at the new gaming mouse SVEN RX-G980W and you will see that this is a true flagship device which combines the most modern technologies from the world of computer-game peripherals.

Details >>

Other items

PS-3/4/XB1/XB360/N-Switch/Windows/Android compatible gaming steering wheel with shift lever

Programmable RGB backlit gaming keyboard.

Wireless mouse with adjustable cursor speed

Programmable gaming mouse

New

Relay automatic voltage regulator, 200 W, 2 sockets

Dual Mode Wireless Mouse (2.4 GHz and Bluetooth)

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

Windows/iOS/Android/PS-3/4/N-Switch compatible wireless gamepad

Windows/PS3/PS4 compatible wired gamepad

Wired multimedia keyboard

Programmable RGB backlit gaming keyboard.

USB powered speakers with Bluetooth

News

09/09/2025

SVEN PS-990 PORTABLE SPEAKER SYSTEM — POWERFUL SOUND EVEN UNDER WATER

We introduce you the new portable acoustic system SVEN PS-990, which combines seemingly incompatible features: high power, compact, stylish design and water protection. This model is designed for those who are not used to limit parties to the walls of the house.

Details >>
08/21/2025

SVEN PS-395 PORTABLE SPEAKER — A CLASSIC FORMAT IN A NEW INTERPRETATION

We continue to delight fans of portable speakers by offering increasingly original models - both in design and construction. Our engineers not only regularly update the design of speakers, but also rethink familiar formats.

Details >>
08/13/2025

SVEN RX-G980W GAMING MOUSE — PRECISION, SPEED AND COMPLETE FREEDOM OF ACTION

Just look at the new gaming mouse SVEN RX-G980W and you will see that this is a true flagship device which combines the most modern technologies from the world of computer-game peripherals.

Details >>

Other items

Windows/PS3 compatible gaming steering wheel with shift lever

Relay automatic voltage regulator, 200 W, 2 sockets

Wireless Mouse with silent buttons

Wireless chiclet keyboard

New

Portable radio, Bluetooth, USB/microSD player

UPS battery 12V 7Ah

Programmable gaming mouse

Portable radio with FM/AM/SW

USB powered speakers with side panel volume control

Programmable RGB backlit gaming keyboard.

USB powered speakers with Bluetooth

Party speaker system with Bluetooth, karaoke and FM radio

News

09/09/2025

SVEN PS-990 PORTABLE SPEAKER SYSTEM — POWERFUL SOUND EVEN UNDER WATER

We introduce you the new portable acoustic system SVEN PS-990, which combines seemingly incompatible features: high power, compact, stylish design and water protection. This model is designed for those who are not used to limit parties to the walls of the house.

Details >>
08/21/2025

SVEN PS-395 PORTABLE SPEAKER — A CLASSIC FORMAT IN A NEW INTERPRETATION

We continue to delight fans of portable speakers by offering increasingly original models - both in design and construction. Our engineers not only regularly update the design of speakers, but also rethink familiar formats.

Details >>
08/13/2025

SVEN RX-G980W GAMING MOUSE — PRECISION, SPEED AND COMPLETE FREEDOM OF ACTION

Just look at the new gaming mouse SVEN RX-G980W and you will see that this is a true flagship device which combines the most modern technologies from the world of computer-game peripherals.

Details >>