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

SVEN BF-31R

SVEN BF-31R

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
    • 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 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

Programmable gaming mouse

Gaming headset

Web camera with LED backlight

Wireless gaming mouse

Dual Mode Wireless Mouse (2.4 GHz and Bluetooth)

Windows/Android/PS3 compatible wireless gamepad

Gaming mini soundbar for computer with Bluetooth and dynamic switchable lighting

Speaker system with dynamic switchable lighting

Wired multimedia keyboard

Wireless chiclet keyboard

Compact speakers with cable volume control

Soundbar for TV

News

06/18/2025

SVEN SB-G1450 GAMING SPEAKERS — A STEREO PAIR AND A SOUNDBAR IN ONE DEVICE

Our range includes several options for acoustics — both in the format of speakers 2.0 and in the form of soundbars. Each of the options has its own advantages: the speakers can be neatly placed on the sides of the monitor and the soundbar can be conveniently installed directly under the screen.

Details >>
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 >>

Special features of SVEN BF-31R two-way multimedia stereo system are hypersensitive silk tweeters, midrange/woofer drivers (2 × 4"), Hi-Fi jacks, convenient remote control. The system is multifunctional due to three stereo inputs and a subwoofer output.

Other items

Windows/Android/PS3/PS4/XB1/XB360/N-Switch/X-Input/Direct Input compatible gaming steering wheel with shift lever

Gaming set: keyboard + mouse + mousepad

Wired set: keyboard + mouse

Programmable RGB backlit gaming keyboard.

300W Sine Wave Line Interactive UPS, External Batteries

Wireless mouse

Gaming headset with metal cups and detachable microphone

Portable radio, USB/microSD/SD player

Wired keyboard

Gaming headset

HDMI to HDMI (2.0) cable

Web camera Full HD resolution

News

06/18/2025

SVEN SB-G1450 GAMING SPEAKERS — A STEREO PAIR AND A SOUNDBAR IN ONE DEVICE

Our range includes several options for acoustics — both in the format of speakers 2.0 and in the form of soundbars. Each of the options has its own advantages: the speakers can be neatly placed on the sides of the monitor and the soundbar can be conveniently installed directly under the screen.

Details >>
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 >>

Other items

Genuine wood wired in-ear earbuds

New

Portable radio, Bluetooth, USB/microSD player

Web camera with protective shield

Programmable gaming mouse

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

New

Relay automatic voltage regulator, 200 W, 2 sockets

Party speaker system with Bluetooth, karaoke and FM radio

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

New

TWS in-ear headset

On-ear wired headphones

Wireless mouse with adjustable cursor speed

Wired in-ear earbuds with microphone

News

06/18/2025

SVEN SB-G1450 GAMING SPEAKERS — A STEREO PAIR AND A SOUNDBAR IN ONE DEVICE

Our range includes several options for acoustics — both in the format of speakers 2.0 and in the form of soundbars. Each of the options has its own advantages: the speakers can be neatly placed on the sides of the monitor and the soundbar can be conveniently installed directly under the screen.

Details >>
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 >>

Other items

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

On-ear wired headphones

Speaker system with Bluetooth, optical input and remote control

Windows/Android/PS3 compatible wireless gamepad

USB powered speakers with cabled volume control

Gaming headset with RGB backlight

Wired mouse

Fabric mouse pad with rubber backing

Wired keyboard with USB port

UPS battery 6V 4,5Ah

Dual Mode Wireless Mouse (2.4 GHz and Bluetooth)

230V speakers with headphone and microphone jacks

News

06/18/2025

SVEN SB-G1450 GAMING SPEAKERS — A STEREO PAIR AND A SOUNDBAR IN ONE DEVICE

Our range includes several options for acoustics — both in the format of speakers 2.0 and in the form of soundbars. Each of the options has its own advantages: the speakers can be neatly placed on the sides of the monitor and the soundbar can be conveniently installed directly under the screen.

Details >>
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 >>