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Dynaudio Sub 3 Subwoofer Review
Dynaudio Sub 3 - Image 1

Main Features

  • 9.5" Magnesium Silicate Polymer Woofer
  • 300 watts RMS Output
  • 22-175 Hz Frequency Response
  • Weight: 23.10 lbs / 10.50kg
  • Dimensions (H x W x D): 10-7/8" x 10-9/16" x 14-3/8"
Check price atAmazon›

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Dynaudio Sub 3 Subwoofer Review
Dynaudio Sub 3 Dynaudio Sub 3
Check price atAmazon›

Sub 3 is a Sealed type Powered Subwoofer by Dynaudio with a frequency range of 22-175 Hz. It was released in 2015. It features 1 x 9.5" Magnesium Silicate Polymer Woofer, and powered by a 300 watts amplifier.


**This post contains affiliate links, and we will be compensated if you make a purchase after clicking through our links. As an Amazon Associate I earn from qualifying purchases.

Frequency Response

Where should the crossover go? →  ·  What will your room do to this bass? →

Dynaudio Sub 3 has a Frequency response range of 22-175 Hz at ±3dB. With the help of its 1 x 9.5-inch driver and 300 watts RMS amplifier, the Sub 3 can go as low as 22 Hz which doesn't quite offer full range sound (20Hz-2kHZ) but it gets really close.

Here we have a comparison of how Sub 3's Low and High frequency values compare with the average, max and min Low and High frequency values in its class.
Low Frequency
Powered Subwoofers
Dynaudio Sub 3
Min
Average
Max
High Frequency
Subwoofer Speakers
Dynaudio Sub 3
Min
Average
Max

Low-Pass Crossover

Dynaudio Sub 3 has a variable Low-pass filter (LFP) which lets you choose a frequency level between 50-150 Hz in order to block any frequencies above that point from reaching the amplifier.

Inputs and Outputs

  • PreampLevel Inputs: LFE, Stereo RCA
  • SpeakerLevel Inputs: No
  • SpeakerLevel Outputs: No
  • Wireless: No

Dynaudio Sub 3 External Dimensions and Weight

Dynaudio Sub 3 has external dimensions of (Height x Width x Depth) 10-7/8 x 10-9/16 x 14-3/8inch (277.0 x 269.0 x 366.0mm ).

Base Surface Area
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited. The base area of Dynaudio Sub 3 is approximately 984.5cm2 / 152.6inch2.

To get a better perspective on the real life size of Dynaudio Sub 3, let's compare it with a standard size Compact Disc which has a diameter of 4.7inch (120mm).

Dynaudio Sub 3 Real Life Body Size Comparison
Dynaudio Sub 3 Speaker Size Compared to a Compact Disc

Here we place the Dynaudio Sub 3 virtually next to a standard width amplifier and turntable on a media center to get a better idea about the size.

Dynaudio Sub 3 placed next to a Media Stand
Dynaudio Sub 3 Subwoofer next to a Media Stand

Find speakers that fit your shelf or alcove →

Weight

The Dynaudio Sub 3 weighs 10.50kg / 23.1lbs. Weight of a subwoofer is an important factor when you need to move and reposition the unit often to find the optimal positioning, also known as 'Subwoofer Crawling'. Here is a comparison of how Sub 3's weight compares with the average, max and min weights in its class.

Weight
All Subwoofer Speakers
Dynaudio Sub 3
Min
Average
Median

Cabinet type and Materials

Dynaudio Sub 3 has a Acoustic Suspension type cabinet. Acoustic suspension aka Sealed subwoofers are preferred for music oriented systems whereas the Ported subwoofers are generally accepted to be more suitable for home theatre systems.

Does the Dynaudio Sub 3 come with a Grille?

Sub 3 comes with grilles. The purpose of the grille is to protect the delicate driver elements from external impacts while still allowing the sound to pass as clearly as possible.

What's in the Box of Dynaudio Sub 3?

Here are the items that are included inside the box of Sub 3:
  • Powered subwoofer
  • Grille
  • 6-feet AC power cord
  • Owners Manual
  • Quick Start Guide
  • Warranty Extension Card

Recommended Accessories

Here is a list of accessories that we think you may need for the Dynaudio Sub 3.

  • Vibration Isolators: IsoAcoustics isolators are our favorite isolators but you may find more affordable options too.
  • Acoustic Panels and Treatments: Your room is as important as your stereo equipment so acoustic treatments goes a long way in improving the overall performance.

Warranty

3 Years of parts warranty and 3 Years of labor warranty is generally provided by the manufacturer.

Dynaudio Sub 3 Detailed Specifications

General
BrandDynaudio
Full Model NameDynaudio Sub 3
TypePowered Subwoofer
Release Date2015
Frequency Response22-175 Hz
Enclosure TypeSealed
EnclosureAcoustic Suspension
Firing DirectionFront
Amplifier & Driver
Power (RMS)300 watts
Woofer9.5-inch Magnesium Silicate Polymer

Controls & Connections
Low-pass Crossover50-150 Hz
Phase ControlYes
WirelessNo
Line-level InputsLFE, Stereo RCA
Speaker-level InputsNo
Speaker-level OutputsNo
Physical
Dimensions (HxWxD)10-7/8" x 10-9/16" x 14-3/8" (277.0 x 269.0 x 366.0mm)
Weight10.5 kg (23.1 lbs)
GrilleYes
Mounting BracketNo
Parts Warranty3 Years
Labor Warranty3 Years
Dynaudio Sub 3 Alternatives in Powered Subwoofer Speakers
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Klipsch R-121SW
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27-125k Hz 10" 200 watts 16-7/16 x 14-1/16 x 18-13/16inch"
B&W ASW610
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27-140k Hz 10" 200 watts 12-5/8 x 12-1/4 x 15-1/2inch"
KEF KUBE 8b
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34-140k Hz 8" 300 watts 11-9/16 x 11-5/8 x 13-5/16inch"
KEF KUBE 10b
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24-140k Hz 10" 300 watts 14-5/8 x 14 x 15-5/8inch"
B&W ASW608
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32-140k Hz 8" 200 watts 10-11/16 x 10-1/4 x 13-3/4inch"
JBL Stage A120P
Compare
32-150k Hz 12" 250 watts 16-5/16 x 15-7/16 x 18-11/16inch"
Klipsch SPL-120
Compare
24-125k Hz 12" 300 watts 17-11/16 x 14-3/4 x 21-1/4inch"
Frequently Asked Questions about Dynaudio Sub 3

How low can the Dynaudio Sub 3 go?

The Dynaudio Sub 3 has a frequency response of 22-175 Hz. It reaches down to 22Hz, deep enough for the low end of most music and movie effects.

How much power does the Dynaudio Sub 3 have?

The Dynaudio Sub 3 has a built-in 300-watt RMS amplifier.

Is the Dynaudio Sub 3 sealed or ported?

The Dynaudio Sub 3 uses a Sealed enclosure. Sealed subwoofers trade a little output for tighter, more accurate bass and a smaller cabinet, which many listeners prefer for music.

What driver does the Dynaudio Sub 3 use?

The Dynaudio Sub 3 has a 9.5-inch Magnesium Silicate Polymer driver.

Does the Dynaudio Sub 3 have app control or room correction?

Yes. The Dynaudio Sub 3 offers an adjustable low-pass crossover (50-150 Hz) and phase control, letting you dial the sub into your room and blend it with your speakers.

How do you connect the Dynaudio Sub 3?

The Dynaudio Sub 3 connects via line-level LFE, Stereo RCA inputs.

How big and heavy is the Dynaudio Sub 3?

The Dynaudio Sub 3 weighs 10.50kg / 23.1lbs and measures 10-7/8" x 10-9/16" x 14-3/8" (HxWxD).

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