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Dynaudio BM14S II Sub-woofer  From Dynaudio

Profession studio sub-woofer designed to accompany the BM6 mkIII and BM12 mkIII studio monitors.

Dynaudio Acoustics

Manufacturer's Description from Dynaudio

The Dynaudio tradition continues in the new II-series subs, delivering Dynaudio's premium, professional sound quality and performance. Dynaudio Professional II-series precision subwoofers are made in Denmark using hand-crafted drivers that have made Dynaudio the industry standard in studios the world over.

The BM14S II is a precision subwoofer specifically designed to complement BM6 mkIII and BM12 mkIII monitors, adding extended bass in mid-sized mixing and recording environments.


  • 12" woofer with pure aluminum voice coil. 300W @ 4 ohm
  • Phase adjustment in 0° / 180°; Auto on/off, power LED;
  • Selectable LFE or slave mode
  • Discrete LFE input, slave output for linking
  • Seamless adjustment of low-pass corner frequencies
  • SAT/SUB high-pass adjustment: Flat, 60 Hz, 80 Hz.
  • Closed cabinet for extremely precise low frequency reproduction
Dynaudio Acoustics

About Manufacturer

The Vision A world where there is no difference between real / live sound and sound reproduced by a loudspeaker. A world where audio engineers, consumers, music-lovers and film viewers expects 100% accurate reproduction of sound - the perfect illusion with all the transparency, details and imaging we know from the real world. This is the vision of Dynaudio Acoustics - a world where you trust what you hear without even thinking about loudspeakers. The Mission Develop, innovate and manufacture state of the art monitors that can be trusted 100% by audio engineers and artists. Everything we do is centered at the artists that work with audio and demands transparent and accurate reproduction of sound - our customers. After all, it is the very same artists that in return give us productions and art that make it all worthwhile. We constantly challenge ourselves and innovate in search of further improvement and perfection of sound reproduction. Our customers Include some of the most demanding studios, engineers, producers and production environments throughout the world. We are proud of our customers and what they achieve. The Owl The great horned owl is known for its super hearing, sight for details, intelligence and precise judgement. Horned owls are active during night. They rely on and trust their ears 100% when navigating through the big woods searching for food. It is said that the great horned owl while in the air can hear small targets moving on the ground - they can also hear the exact distance and direction to the sound source. The ability to focus on, hear and judge the detail while working with the big picture is what makes working with audio an art. Engineers, like the great horned owl, must trust what they hear. Like the great horned owl, we believe that engineers deserve the freedom to navigate and judge the sound-scapes relying on their ears. That is the reason we have placed the Great Horned Owl in the centre of our Logo and that is the reason we build monitors that speak the truth - not more, not less.


System  Precision Subwoofer

Frequency Response  18 Hz to 250 Hz (+/-3 dB)

Inputs  LFE/Slave, SAT/SUB, XLR right/left full bandwidth

XLR Input impedance  + branch 20 kOhm, – branch 10 kOhm

Sensitivity  75 mVRMS to 5 VRMS, adjustable

Max. Input voltage  10 VRMS

Outputs  Slave, SAT/SUB, XLR right/left, High-pass filtered

XLR Output impedance  100 Ohm (each branch)

XLR Pin-out  1: 0 / 2: + / 3: –

Mode selector  LFE, Slave (Phase and volume controls are bypassed in slave mode

Phase adjustment  0° - 180°

SAT High-pass  Flat, 60 Hz, 80 Hz

SUB Low-pass  50 Hz to 150 Hz

Auto ON/OFF  Automatic ON (LED green) when signal is detected at input Automatic mute (LED red) when no signal is detected for 15 to 20 min.

Amplifier power  300 W, 4 Ohm

Power consumption  <16 W Standby, 325 W Max.

Woofer  300 mm/12”, One piece molded MSP cone (Magnesium Silicate Polymer), 100 mm/4”, Pure aluminum voice coil

Weight  21 kg. / 46.3 lbs

Dimensions (WxHxL)  350 x 350 x 369.5 / 13.8” x 13.8” x 14.5”





BM14S II User Manual

User Manual