In this review, we will be comparing 3000 Micro R Evolution and DB4S, two Powered Subwoofer speakers from SVS and Bowers Wilkins. Being Powered subwoofers, they both have built-in amplifiers so you don't need an external power amp or an integrated amp to power them. Let's have a brief look at the main features of SVS 3000 Micro R Evolution and B&W DB4S first before getting into our more detailed comparison.
The sections below take each area in turn: driver and amplifier, frequency response, physical size and connectivity.
Drivers
The efficiency of a subwoofer is directly proportional to the total radiating are squared hence the woofer quantity and diameter.SVS 3000 Micro R Evolution and B&W DB4S have a totally different setup: the SVS 3000 Micro R Evolution features 2 x 9-inch drivers whereas the DB4S features 1 x 10-inch drivers.
Frequency Response
3000 Micro R Evolution has a frequency range of 20-230 Hz whereas DB4S has a frequency range of 10-350 Hz. With a minimum frequency of 10Hz, the DB4S can go significantly deeper on the low side and provide stronger bass compared to the 3000 Micro R Evolution's min frequency of 20Hz.
Below graphs depict how these two speakers compare with the max, min and average values of the Min and Max Frequencies of other speakers in the Subwoofer class in our database.
Low Frequency
Subwoofer Speakers
SVS 3000 Micro R Evolution
High Frequency
Subwoofer Speakers
SVS 3000 Micro R Evolution
Physical Specs
The size of a speaker can sometimes be an important decision factor due to space constraints or in some cases purely for esthetic reasons. In this section, we are going to compare SVS 3000 Micro R Evolution's and B&W DB4S's external dimensions. SVS 3000 Micro R Evolution has external dimensions of 277.8 x 301.0 x 313.0mm () whereas B&W DB4S has external dimensions of 375.0 x 362.0 x 434.0mm (14-3/4 x 14-1/4 x 17-1/16inch).
B&W DB4S is clearly the larger of the two speakers. Its body is 61mm wider, 97.2mm taller and 121mm deeper than SVS 3000 Micro R Evolution.
Base Surface Area Comparison
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited.
The base surface area of the SVS 3000 Micro R Evolution is approximately 942.1cm2 / 146.0inch2 and base area of the B&W DB4S is approximately 1571.1cm2 / 243.5inch2. The 3000 Micro R Evolution requires 40% less surface area than the DB4S which gives it a small advantage on placement in tight spaces.
Weight Comparison The weight of a subwoofer may become an important factor if you need to move and reposition the unit often to find the optimal positioning, also known as 'Subwoofer Crawling'. The SVS 3000 Micro R Evolution weighs 10.23kg / 22.5lbs and the B&W DB4S weighs 26.05kg / 57.3lbs. This makes the DB4S 155% heavier than the 3000 Micro R Evolution.
Here is a comparison of how 3000 Micro R Evolution and DB4S's weights compare with the average, max and min weights in Powered Subwoofer class.
Weight
All Subwoofer Speakers
SVS 3000 Micro R Evolution
What's in the Box of SVS 3000 Micro R Evolution?
Here are the items that are included inside the box of 3000 Micro R Evolution:
- Powered subwoofer
- 2 Grilles (pre-installed)
- 6' AC power cord
- Setup/Registration Guide
- Support Info
- SVS brochure
What's in the Box of B&W DB4S?
Here are the items that come with the DB4S:
- Powered subwoofer
- Grille
- 6.5-feet AC power cord
- 4 Decoupling feet
- 4 Rubber feet
- 4 Spike feet
- 4 Lock-nuts
- Cleaning cloth
- Quickstart Guide
- Bowers & Wilkins brochure
- Warranty Information
- Cleaning cloth instructions
 Number of Woofers |
2
vs
1
|
More woofers |
 Height |
277mm
vs
375mm
|
Easier to fit in smaller spaces |
 Base Surface Area |
942cm2
vs
1571cm2
|
Takes less floor space |
 Price per pair* |
999USD
vs
2199USD
|
costs less (*prices may change depending on the seller, location and time) |
| Woofer Size |
10 inches
vs
9 inches
|
Larger woofer |
| Low Frequency Response |
10 Hz
vs
20 Hz
|
Generates deeper bass |
 High Frequency Response |
350 Hz
vs
230 Hz
|
Generates higher frequency |
Size, drawn to scale
Both subwoofers and both views share one scale, so everything here is directly comparable. Hover a box for its dimensions.
One scale for both, standing on the same floor and pushed back to the same wall, so the bigger one visibly takes more of the room.
B&W DB4S needs about 67% more floor area. B&W DB4S stands 121mm further into the room. B&W DB4S is 97mm taller.
| General |
SVS 3000 Micro R Evolution |
Bowers & Wilkins DB4S |
| Brand |
SVS |
Bowers Wilkins |
| Speaker Type |
Powered Subwoofer |
Powered Subwoofer |
| Frequency Response |
20-230 Hz |
10-350 Hz |
Amplifier |
|
|
| Watts RMS (Continuous) |
1200-watt RMS |
n/a |
| Watts Peak (Max) |
4000-watt RMS |
n/a |
Drivers |
|
|
| Woofer Quantity |
2 |
1 |
| Woofer Size |
9" |
10" |
| Woofer Composition |
Aluminum |
Aerofoil |
| Woofer Surround Material |
n/a |
Rubber |
| Tweeter Size |
- |
- |
| Aimable Tweeter |
No |
No |
| Midrange Driver |
No |
No |
| Firing Direction |
n/a |
front |
Physical Specs |
|
|
| Height |
277.8mm (10.9") |
375.0mm (14.8") |
| Width |
301.0mm (11.9") |
362.0mm (14.3") |
| Depth |
313.0mm (12.3") |
434.0mm (17.1") |
| Weight |
10.23kg (22.5lbs) |
26.05kg (57.3lbs) |
| Enclosure |
|
Acoustic Suspension |
| Grille |
n/a |
Yes |
| Moisture Resistancy |
No |
No |
Connections |
|
|
Other |
|
|
| Parts Warranty |
5 Years |
2 Years |
| Labor Warranty |
5 Years |
2 Years |
Two quite different sizes of subwoofer. Room volume decides this more than anything else on the page: a big driver in a small room is wasted, and a small one in a large room is worked to death.
| Area | Better | Why |
|---|
| Bass depth | B | B&W DB4S goes deeper - 10Hz against 20Hz. Under 20Hz is felt more than heard - the bottom of a pipe organ and the bottom of a film mix. |
| Amplifier power | evenly matched | Much the same amplifier (1200W vs 1000W RMS) - under 1dB apart. |
| Driver area | A | SVS 3000 Micro R Evolution moves more air: 2 x 9" against 10" is 1.62x the cone area, not the 1.27x the diameters suggest. More area means the same output with less excursion, and less distortion with it. |
| Enclosure | evenly matched | Both are sealed designs, so they roll off in much the same way. |
| Setup and tuning | evenly matched | The same tuning tools on both (app control). |
| Driver placement | depends | SVS 3000 Micro R Evolution fires side-firing and B&W DB4S fires front. A down-firing driver is more forgiving of a grille-less look and of a hard floor; a front-firing one is the safer choice on a thick carpet or a suspended timber floor. |
| Cabinet size | depends | SVS 3000 Micro R Evolution is about 56% smaller by volume. In a subwoofer that is a real trade rather than a preference: box volume is how you get output low down without a bigger amplifier. |
| Warranty | A | SVS 3000 Micro R Evolution carries 5 years on parts against 2 years. A subwoofer amplifier works harder than anything else in the system, so this is not a throwaway line. |
| Price | A | SVS 3000 Micro R Evolution costs less - $999 against $2,199, about 55% less. |
A SVS 3000 Micro R Evolution B B&W DB4S
depends neither is better in the abstract - it turns on your room, your system or how you will use them. Only specs published for both subwoofers are judged; anything missing on either side is left out rather than guessed.
Which should you choose?
SVS 3000 Micro R Evolution has the edge on paper, though not by much. The "depends" rows are more likely to decide this than the score is. Two small subwoofers beat one big one in most rooms - a pair evens out the room modes in a way no single box can, whatever its specs. At $999 each, two SVS 3000 Micro R Evolution cost about $1,998 against $2,199 for one of the other, which is worth a thought. If placement is the constraint - a corner, behind a sofa, under a desk - SVS 3000 Micro R Evolution is the one that will actually go there, and a well-placed small subwoofer beats a badly-placed big one every time.
One thing outweighs everything above: where the subwoofer stands. Room modes can add or remove 10dB or more at a given seat, which is far larger than any difference on this page. Before spending more, try the sub in two or three positions - the crawl test, where you put it in the listening seat and crawl the room to find where the bass sounds best, costs nothing and usually beats an upgrade.