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

Wireless set: chiclet keyboard + mouse + mousepad

8 sockets surge protector, 3680 W

230V speakers with headphone audio output

Wireless dynamic microphone

Wired in-ear earbuds

Portable radio, USB/microSD player

UPS battery 12V 9Ah

Wired in-ear earbuds

Backlit wired keyboard

Speakers with volume control on the back

6 sockets surge protector, 2300 W

Mechanical programmable keyboard

News

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 >>
07/15/2025

SVEN AP-B800MV FULL-SIZE HEADSET — HARMONY OF SOUND AND SILENCE

We continue to develop the line of stylish and technological headphones, combining in new models everything that is important for a modern user: from high level of reliability and comfort to availability of the most advanced functions.

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

On-ear wired headset

Wired set: keyboard + mouse

Programmable gaming mouse

Wireless keyboard

Wireless set: multimedia keyboard + mouse

UPS battery 12V 9Ah

Speaker system with dynamic illumination

New

TWS in-ear headset

Line interactive UPS, 510W, 6 sockets

On-ear wired headphones

Bluetooth speaker system with headphone and microphone jacks

News

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 >>
07/15/2025

SVEN AP-B800MV FULL-SIZE HEADSET — HARMONY OF SOUND AND SILENCE

We continue to develop the line of stylish and technological headphones, combining in new models everything that is important for a modern user: from high level of reliability and comfort to availability of the most advanced functions.

Details >>

Other items

Portable radio, USB/microSD player

Wireless set: keyboard + mouse

Web camera with protective shield

Wireless mouse with silent buttons

Portable speaker with backlight

Wired mouse with silent buttons

New

Portable radio with LED display

600W Sine Wave Line Interactive UPS, External Batteries

Speaker system with Bluetooth, optical input and remote control

Wired clip-on microphone

Wired mouse

Wireless set: multimedia keyboard + mouse

News

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 >>
07/15/2025

SVEN AP-B800MV FULL-SIZE HEADSET — HARMONY OF SOUND AND SILENCE

We continue to develop the line of stylish and technological headphones, combining in new models everything that is important for a modern user: from high level of reliability and comfort to availability of the most advanced functions.

Details >>

Other items

Gaming headset with RGB backlight and 7.1 virtual sound

Windows/Android/PS3 compatible wired gamepad

Portable radio, USB/microSD/SD player

Line interactive UPS, 240W, 2 sockets

Speaker system with illuminated volume control

Programmable gaming mouse

USB 2.0 Am to Bm cable

Wired mouse with copy/paste buttons

Gaming headset with LED backlight and 7.1 virtual sound

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

Portable speaker with backlight

Speakers with volume control on the back

News

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 >>
07/15/2025

SVEN AP-B800MV FULL-SIZE HEADSET — HARMONY OF SOUND AND SILENCE

We continue to develop the line of stylish and technological headphones, combining in new models everything that is important for a modern user: from high level of reliability and comfort to availability of the most advanced functions.

Details >>