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Dynaudio BM9S Subwoofer - b-stock (1x opened box)

Active Studio Monitor Subwoofer
Dynaudio BM9S Subwoofer - b-stock (1x opened box)
Our price:
MSRP*: €1,179.00

You save: €189.00 (16%)

incl. VAT
plus shipping costs
Product number: 747061
Item condition: new ('open box')
closeOpportunity! Special 'b-stock' offer: This brand new item may have been 1x taken out of the box, for a brief check by our product specialists or photographic purposes. 100% new condition, all complete in original box, with full brand new item warranty.

Product description

The BM9S is designed according to the strict BM series specifications. With a 10" woofer and 200 Watts of power, and virtually minute dimensions, this sub is tailor-made to take care of even the most comprehensive challenges where space is scarce. Being every bit as versatile as the rest of the BM series, BM9S is a very competent partner for smaller stereo and multichannel setups, giving a very powerful system for even the most demanding users across the globe.

The Auto On/Off function, provides a minimized idle energy usage by shutting off after minutes of no input signal. The auto sensing circuit enables BM9S to automatically come to life when input signal is detected.

The satellite filters that this sub sports, provides high-pass filtering of the monitor source signal allowing 60Hz or 80Hz corner frequencies.

This is a huge advantage for the monitor performance, as the satellites do not need to deal with power consuming lower frequencies. This leaves all the satellite power to greatly accelerate performance and precision.


- 10" woofer, pure aluminum voice coil
- Phase adjustment in 0° / 180°
- Auto on/off, power LED
- Mode selection, LFE or slave
- Adjustment of low-pass corner frequencies (50-150Hz)
- SAT/SUB high-pass adjustment, Flat, 60 Hz, 80 Hz
- Small dimensions: 11.6" X 11.4" X 12.5"
- 200 W @ 4 Ohms
- Discrete LFE input, slave output for linking
- Closed cabinet for extremely precise low frequency reproduction

Technical Specifications

Model - BM 9S
System - Active Subwoofer
Frequency Response (+/- 3 dB) - 29 Hz - 250 Hz
Low Frequency Limit - 29 Hz
High Frequency Limit - 50 Hz - 250 Hz
Amplifier Power - 200 W @ 4 Ohm
Crossover Frequencies HP Sat - Flat / 60 Hz / 80 Hz
Low Pass Filter - 50 – 150 Hz
Crossover Slope - 2nd order Butterworth
Crossover Bypass - Yes (Flat)
Phase adjustment - 0° / 180°
Inputs - Balanced/XLR
Input Sensitivity for Full Output - 75mV - 5V
Maximum Input - 10Vrms
Input Impedance - 20 k (+ branch) 10k (- branch)
Output - Balanced/XLR
Master / Slave Link - Yes
Drive Unit - 10" (24 cm), long throw
Magnetic Shielding - Yes
Internal Cabinet Volume - 15,9 litres
Bass Principle - Closed
Power Consumption Max. - 325 W
Power Consumption Standby - 16 W
Mains Voltage - 100-120V 50/60Hz or 220-240V 50/60Hz
Weight (net) - 10 kg / 22 lbs
Dimensions (W x H x D) - 294 x 289 x 318 mm / 11.6" x 11.4" x 12.5"

Item condition

Opportunity! Special 'b-stock' offer: This brand new item may have been 1x taken out of the box, for a brief check by our product specialists or photographic purposes. 100% new condition, all complete in original box, with full brand new item warranty. 

Additional information

Name Dynaudio BM9S Subwoofer - b-stock (1x opened box)
Brand Dynaudio
Model BM
Product group(s) -
Category Active Studio Monitor Subwoofer
MPN 995010051
Specials No


Germany0.00 EUR
European Union15.00 EUR
Switzerland19.00 EUR
Norway19.00 EUR
other countriesupon request

Order processing time
We ship worldwide on daily basis, with DHL, DPD, and UPS. All in-stock items are usually shipped within 24h upon receipt of payment, mostly on the same working day. Of course, all orders are checked by our qualified personnel and professionally packaged for shipping. Express delivery options are available upon request.

A transport insurance cover up to the full value of the purchased item(s) is already included, at no extra charge.

COD (cash on delivery)
5.00 € COD fee for shipping within Germany. Unfortunately, we currently don't ship COD to addresses outside of Germany.

Personal purchase at our store
Of course, you are absolutely welcome to personally visit our shop premises in Munich to check, test, compare, purchase and take home your items right away, without any waiting, stress or pressure, and with a proper professional advice from our product experts. Please feel free to contact us for your individual time appointment, or simply visit us during our business hours!

Shipping outside the EU
Shipping costs to most EU destinations, Switzerland and Norway are included in the overview on the left. Selling and shipping to any countries not mentioned in this overview is subject to prior inquiry and receipt of our shipping quotation. Please also note that not all orders from all countries can be automatically processed through our website at this time; such orders must be handled on individual basis. If you are outside the EU, please make sure to contact us first, for necessary details on the ordering procedure, shipping and payment. Please make sure to provide us your full address for a correct calculation of the shipping expenses.



We stand behind the flawless quality and function of our products, and provide you an extended warranty of 3 years for regular brand new items, as well as 2 years for b-stock, demo or retoure items and 1 year for second hand equipment.

Individual offer request

Have you seen this product anywhere for less? Please let us know, we will try to provide you similar or even better conditions. For your individual offer, please submit the following information:


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