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  • Dynaudio Professional BM9S II - Dimensions
  • Dynaudio Professional BM9S II - Angled
  • Dynaudio Professional BM9S II - Angled
  • Dynaudio Professional BM9S II - Back
  • Dynaudio Professional BM9S II - Front

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Model BM9S II
System Precision Subwoofer
Frequency Response 29 Hz to 250 Hz
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
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 200 W, 4 Ohm
Power consumption <16 W Standby, 325 W Max.
Woofer 240 mm/10” One piece molded MSP cone (Magnesium Silicate Polymer), 100 mm/4”, Pure aluminum voice coil
Weight 8,8 kg. / 19.4 lbs
Dimensions (WxHxL) 290 x 290 x 300 mm / 11.4” x 11.4” x 11.8"

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Dynaudio Professional BM9S II - 10" Active Subwoofer

24.00 LBS
Usually ships within 5 - 7 days
Calculated at checkout

Product Description

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 BM9S II is specifically designed to complement BM Compact mkIII and BM5 mkIII monitors, adding extended bass in smaller mixing and recording environments.


  • 10" woofer with pure aluminum voice coil. 200W @ 4 ohm
  • Phase adjustment in 0° / 180°; Auto on/off, power LED;
  • Selectable LFE or slave mode
  • Discrete LFE input, slave output for linking
  • Adjustment of low-pass corner frequencies (50-150 hz)
  • Frequency response of 29 Hz to 250 hz
  • SAT/SUB high-pass adjustment: Flat, 60 Hz, 80 Hz