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 TWR-2800DD
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
    • 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

Soundbar with wireless subwoofer

USB powered speakers with cabled volume control

Portable radio, USB/microSD/SD player

Wired mouse with silent buttons

Party speaker system with Bluetooth, karaoke and FM radio

Fabric mouse pad with rubber backing

Wired set: keyboard + mouse

Wired mouse

Web camera with manual focus adjustment

Backlit wired keyboard

Speakers with volume and tone controls on the front panel

Wireless mouse with adjustable cursor speed

News

28.05.2026

SVEN PS-399 PORTABLE SPEAKER WITH AURACAST™ — SHARE THE RHYTHM WIRELESSLY

Introducing a new model ready to redefine what portable sound can be. The SVEN PS-399 portable acoustic system is built for those who refuse to sacrifice audio quality for mobility. This speaker brings together thoughtful engineering, modern wireless standards, and everyday reliability.

Details >>
14.05.2026

SVEN RX-G970W WIRELESS GAMING MOUSE — FREEDOM IN EVERY MOVE

We are proud to introduce the new SVEN RX-G970W gaming mouse. This device embodies the perfect balance between an ultra-lightweight design, professional-grade precision, and exceptional battery life, creating a tool that becomes a natural extension of a gamer's hand.

Details >>
10.04.2026

SVEN AP-B890MV HYBRID ANC WIRELESS HEADPHONES — IMMERSION IN SILENCE

We invite connoisseurs of impeccable sound on a journey beyond the ordinary — to the SVEN AP-B890MV wireless headphones in a noble graphite shade, where technology merges with the poetry of perception.

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

Soundbar with wireless subwoofer

Fabric mouse pad with rubber backing

Speaker system with illuminated volume control

Dual Mode Wireless Mouse (2.4 GHz and Bluetooth)

Programmable RGB backlit gaming keyboard.

New

Hi-Fi speaker system with the highest sound quality. Bluetooth, HDMI (ARC), remote control

5 sockets surge protector, 2 USB ports, 2300 W

Wireless set: multimedia keyboard + mouse

Active Noise Canceling (ANC) wireless stereo headset

Waterproof portable speaker with backlight

Gaming headset with metal cups and detachable microphone

Portable wireless radio, USB/microSD player

News

28.05.2026

SVEN PS-399 PORTABLE SPEAKER WITH AURACAST™ — SHARE THE RHYTHM WIRELESSLY

Introducing a new model ready to redefine what portable sound can be. The SVEN PS-399 portable acoustic system is built for those who refuse to sacrifice audio quality for mobility. This speaker brings together thoughtful engineering, modern wireless standards, and everyday reliability.

Details >>
14.05.2026

SVEN RX-G970W WIRELESS GAMING MOUSE — FREEDOM IN EVERY MOVE

We are proud to introduce the new SVEN RX-G970W gaming mouse. This device embodies the perfect balance between an ultra-lightweight design, professional-grade precision, and exceptional battery life, creating a tool that becomes a natural extension of a gamer's hand.

Details >>
10.04.2026

SVEN AP-B890MV HYBRID ANC WIRELESS HEADPHONES — IMMERSION IN SILENCE

We invite connoisseurs of impeccable sound on a journey beyond the ordinary — to the SVEN AP-B890MV wireless headphones in a noble graphite shade, where technology merges with the poetry of perception.

Details >>

Other items

Microfiber mouse pad with rubber backing

Wired keyboard

Wired keyboard with low profile keys

Backlit wired keyboard

Web camera Full HD resolution

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

Relay automatic voltage regulator, 500 W, 4 sockets

Programmable gaming mouse

Speakers with volume and tone controls on the front panel

Portable radio, USB/microSD/SD player

Wireless keyboard with low profile keys

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

News

28.05.2026

SVEN PS-399 PORTABLE SPEAKER WITH AURACAST™ — SHARE THE RHYTHM WIRELESSLY

Introducing a new model ready to redefine what portable sound can be. The SVEN PS-399 portable acoustic system is built for those who refuse to sacrifice audio quality for mobility. This speaker brings together thoughtful engineering, modern wireless standards, and everyday reliability.

Details >>
14.05.2026

SVEN RX-G970W WIRELESS GAMING MOUSE — FREEDOM IN EVERY MOVE

We are proud to introduce the new SVEN RX-G970W gaming mouse. This device embodies the perfect balance between an ultra-lightweight design, professional-grade precision, and exceptional battery life, creating a tool that becomes a natural extension of a gamer's hand.

Details >>
10.04.2026

SVEN AP-B890MV HYBRID ANC WIRELESS HEADPHONES — IMMERSION IN SILENCE

We invite connoisseurs of impeccable sound on a journey beyond the ordinary — to the SVEN AP-B890MV wireless headphones in a noble graphite shade, where technology merges with the poetry of perception.

Details >>

Other items

Line interactive UPS, 400W, 3 sockets

Desktop wired microphone

Wireless mouse with adjustable cursor speed

Wired dynamic microphone

Wired mouse with side navigation buttons

Speaker system with Bluetooth, optical input and remote control

Wired in-ear earbuds

Speakers with volume controls on the front panel

Full size wired headset

Mechanical programmable gaming keyboard

Backlit gaming mouse

Web camera Full HD resolution

News

28.05.2026

SVEN PS-399 PORTABLE SPEAKER WITH AURACAST™ — SHARE THE RHYTHM WIRELESSLY

Introducing a new model ready to redefine what portable sound can be. The SVEN PS-399 portable acoustic system is built for those who refuse to sacrifice audio quality for mobility. This speaker brings together thoughtful engineering, modern wireless standards, and everyday reliability.

Details >>
14.05.2026

SVEN RX-G970W WIRELESS GAMING MOUSE — FREEDOM IN EVERY MOVE

We are proud to introduce the new SVEN RX-G970W gaming mouse. This device embodies the perfect balance between an ultra-lightweight design, professional-grade precision, and exceptional battery life, creating a tool that becomes a natural extension of a gamer's hand.

Details >>
10.04.2026

SVEN AP-B890MV HYBRID ANC WIRELESS HEADPHONES — IMMERSION IN SILENCE

We invite connoisseurs of impeccable sound on a journey beyond the ordinary — to the SVEN AP-B890MV wireless headphones in a noble graphite shade, where technology merges with the poetry of perception.

Details >>