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 225
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

Dual Mode Wireless Mouse (2.4 GHz and Bluetooth)

New

Portable radio, Bluetooth, USB/microSD player

Wired mouse with side navigation buttons

Mini soundbar with volume controls on the front panel

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

New

Programmable gaming mouse

USB powered speakers with cabled volume control

Mechanical programmable keyboard

Desktop wired microphone

New

Hybrid Active Noise Canceling (Hybrid ANC) wireless stereo headset

Backlit gaming keyboard

8 sockets surge protector, 3680 W

News

05/06/2025

SVEN VR-F600 AUTOMATIC VOLTAGE REGULATOR — FULL POWER SAFETY CONFIDENCE

SVEN automatic voltage regulators range is well known to users seeking for truly high-quality and reliable protection of electrical appliances as comfortable as possible and without excessive costs.

Details >>
04/17/2025

SVEN SF-10E-16 EXTENSION SURGE PROTECTOR — SAFE CONNECTION OF UP TO TEN DEVICES

The main thing that is interesting about SVEN SF-10E-16 is, undoubtedly, the safe and convenient connection of up to 10 devices at once, and with a solid total power.

Details >>
04/07/2025

SVEN MC-50 ACOUSTIC HI-FI SYSTEM — PEOPLE'S FLAGSHIP FROM THE LEGENDARY LINE

For decades, multimedia 2.0 acoustics from our company have enabled a wide range of music lovers to experience real Hi-Fi. Our speakers have always been appreciated not only for their good sound, but also for their affordable price.

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 in-ear earbuds

Wireless Mouse with silent buttons

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

Windows/Android/PS3 compatible wireless gamepad

Mechanical RGB backlit keyboard

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

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

New

Portable radio, Bluetooth, USB/microSD player

New

Waterproof portable speaker with backlight

5 sockets surge protector, 2 USB ports, 2300 W

USB 2.0 Am to microUSB cable

Wireless dynamic microphone

News

05/06/2025

SVEN VR-F600 AUTOMATIC VOLTAGE REGULATOR — FULL POWER SAFETY CONFIDENCE

SVEN automatic voltage regulators range is well known to users seeking for truly high-quality and reliable protection of electrical appliances as comfortable as possible and without excessive costs.

Details >>
04/17/2025

SVEN SF-10E-16 EXTENSION SURGE PROTECTOR — SAFE CONNECTION OF UP TO TEN DEVICES

The main thing that is interesting about SVEN SF-10E-16 is, undoubtedly, the safe and convenient connection of up to 10 devices at once, and with a solid total power.

Details >>
04/07/2025

SVEN MC-50 ACOUSTIC HI-FI SYSTEM — PEOPLE'S FLAGSHIP FROM THE LEGENDARY LINE

For decades, multimedia 2.0 acoustics from our company have enabled a wide range of music lovers to experience real Hi-Fi. Our speakers have always been appreciated not only for their good sound, but also for their affordable price.

Details >>

Other items

New

Party speaker system with Bluetooth, karaoke and FM radio

Wired chiclet keyboard

Waterproof portable speaker with backlight

Wireless stereo headset

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

Relay automatic voltage regulator, 600 W, socket

Wired multimedia keyboard

Line interactive UPS, 720W, 3 sockets

Wireless mouse with adjustable cursor speed

UPS battery 12V 5Ah

Programmable gaming mouse

Desktop wired microphone with stand

News

05/06/2025

SVEN VR-F600 AUTOMATIC VOLTAGE REGULATOR — FULL POWER SAFETY CONFIDENCE

SVEN automatic voltage regulators range is well known to users seeking for truly high-quality and reliable protection of electrical appliances as comfortable as possible and without excessive costs.

Details >>
04/17/2025

SVEN SF-10E-16 EXTENSION SURGE PROTECTOR — SAFE CONNECTION OF UP TO TEN DEVICES

The main thing that is interesting about SVEN SF-10E-16 is, undoubtedly, the safe and convenient connection of up to 10 devices at once, and with a solid total power.

Details >>
04/07/2025

SVEN MC-50 ACOUSTIC HI-FI SYSTEM — PEOPLE'S FLAGSHIP FROM THE LEGENDARY LINE

For decades, multimedia 2.0 acoustics from our company have enabled a wide range of music lovers to experience real Hi-Fi. Our speakers have always been appreciated not only for their good sound, but also for their affordable price.

Details >>

Other items

Relay automatic voltage regulator, wall-mounted, LCD, 800 W, 1 socket

230V speakers with headphone and microphone jacks

Party speaker system with Bluetooth, karaoke and FM radio

Wireless mouse with adjustable cursor speed

Gaming headset with RGB backlight and 7.1 virtual sound

8 sockets surge protector, 3680 W

Portable speaker with backlight

Wired in-ear earbuds

Programmable RGB backlit gaming keyboard.

Wireless gaming mouse

New

Mechanical backlit keyboard

Wired in-ear earbuds

News

05/06/2025

SVEN VR-F600 AUTOMATIC VOLTAGE REGULATOR — FULL POWER SAFETY CONFIDENCE

SVEN automatic voltage regulators range is well known to users seeking for truly high-quality and reliable protection of electrical appliances as comfortable as possible and without excessive costs.

Details >>
04/17/2025

SVEN SF-10E-16 EXTENSION SURGE PROTECTOR — SAFE CONNECTION OF UP TO TEN DEVICES

The main thing that is interesting about SVEN SF-10E-16 is, undoubtedly, the safe and convenient connection of up to 10 devices at once, and with a solid total power.

Details >>
04/07/2025

SVEN MC-50 ACOUSTIC HI-FI SYSTEM — PEOPLE'S FLAGSHIP FROM THE LEGENDARY LINE

For decades, multimedia 2.0 acoustics from our company have enabled a wide range of music lovers to experience real Hi-Fi. Our speakers have always been appreciated not only for their good sound, but also for their affordable price.

Details >>