BM14S mkII Subwoofer

Active Subwoofer - 1 x 12", 300 Watts

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A substantial 300 Watts of power coming from a 12" woofer and an impressive low frequency limit of 18 Hz.

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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


Technical Specifications

  • Model BM14S II
  • 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”
  • (Specs can change without notice)























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