705 S3 is a 2-way Passive Bass Reflex Bookshelf speaker by Bowers & Wilkins. It features a 1" Decoupled Carbon Dome Tweeter and 1 x 6.5" Continuum Woofer. The speaker has a frequency range of 50-28k Hz and a sensitivity of 88 dB. B&W 705 S3 has an MSRP of 3398$ per pair.
Bowers & Wilkins replaced the older 705 S2 with this model. Follow the link to read our detailed comparison of these models:
Compare B&W 705 S3 vs B&W 705 S2
705 S3 is a member of Bowers & Wilkins's 700 S3 series of Passive speakers. Below you can see the main specs of these speakers.
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B&W 705 S3 has a Frequency response range of 50-28k Hz at ±3dB and Power Range of 30-120 watts. At a minimum frequency of 50 Hz, 705 S3 will provide an average bass depth so depending on your use case, you may consider supplementing your system with a subwoofer.
Visit our Powered Subwoofers section to find a subwoofer to find out more about the available options.
Here we have a comparison of how 705 S3's Low and High frequency values compare with the average, max and min Low and High frequency values in its class.
Among the speakers in our database with a max MSRP price of 5000$ (Pair), these are the 5 Passive Bookshelf speakers that have the deeper bass levels than the B&W 705 S3's 50Hz:
Impedance and Sensitivity
B&W 705 S3's nominal impedance level is 8 ohms but can go down to as low as 3.1 ohms, and has a sensitivity of 88 dB.
Is the Bowers & Wilkins 705 S3 an easy to drive speaker?
8 Ohms is pretty much the standard impedance amongst stereo speakers and amplifiers so Bowers & Wilkins 705 S3 is not considered a difficult to drive speaker from nominal Impedance perspective.
88dB of Bowers & Wilkins 705 S3 is an average sensitivity for stereo speaker so it is neither easy nor difficult to drive from Sensitivity perspective.
Minimum Impedance of B&W 705 S3
Even though the nominal impedance of the 705 S3 is 8 ohms, the minimum impedance level of this speaker according to Bowers & Wilkins is 3.1 ohms Bowers & Wilkins 705 S3 so while choosing an amplifier, you should ideally check if the unit you are considering can provide this impedance level.
705 S3 has Binding post type connectors and lets bi-amping/bi-wiring. Bi-wiring can provide improvements in the overall transparency of your loudspeakers by running separate speaker wires to the low & high frequency drivers from a single amplifier. Bi-amping allows the use of separate amplifiers for the high & low frequency drivers of your loudspeaker which may result in greater dynamic range & lower distortion.
B&W 705 S3 Speaker Size: Weight and Dimensions
B&W 705 S3 has external dimensions of (Height x Width x Depth) 16.3-inch x 7.6-inch x 13.3-inch (413.0 x 192.0 x 297.0mm ). Each speaker weighs 9.58kg / 21.1lbs.
Base Surface Area and Volume
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 B&W 705 S3 is approximately 570.2cm2 / 88.4inch2.
To have a better perspective on the real life size of B&W 705 S3, let's compare it with a standard size Compact Disc which has a diameter of 4.7inch (120mm).
Here we place the B&W 705 S3 virtually next to a standard width amplifier and turntable on a BDI Octave Media Cabinet to get a better idea about the size.
Here we have a comparison of how 705 S3's weight compared with the average, max and min weights in its class.
All Bookshelf Speakers
Bookshelf Speakers under $5000
Cabinet type and Materials
B&W 705 S3 has a Bass Reflex
type cabinet and MDF/Wood veneer finish. Bass Reflex type loudspeakers (aka Ported, Vented or Reflex Port) have enclosures that uses a port, hole or vent cut into the cabinet. Ported designs are generally more efficient than the Sealed designs.
B&W 705 S3 comes with 8 Self-adhesive rubber feet
which you can use to secure your loudspeaker on the surface that you are putting on.
It is always recommended to use some kind of feet under all types of speakers. Besides limiting the movement of the speakers, it also compensates for non-flat surfaces and limits the contact surface area of the speaker. Rubber based feet also help isolating the vibrations within certain frequency ranges.
B&W 705 S3 is a rear-firing port speaker so you have to make sure you leave enough space between the back of the speaker and wall or bookshelf so that it has room to breathe. 705 S3 comes with 2 Two-piece foam port plugs
so if you don't have any choice but place the speakers too close to the walls or other surfaces, you can use these plugs in order to avoid boomy or too much bass.
B&W 705 S3 is available in Gloss Black,Satin White,Mocha,Rosenut.
705 S3 doesn't sport any built-in mounting bracket so you need an external structure to mount on walls.
705 S3 comes with magnetic grilles in Black and Grey (Satin White only color choices. The purpose of the grille is to protect the delicate driver elements from external impacts while still allowing the sound pass as clearly as possible.Since the included grille of the 705 S3 magnetic type, it is very easy to put it on and off.
What's in the Box of B&W 705 S3?
Here are the items that are included inside the box of 705 S3:
2 Bookshelf loudspeakers2 Grilles2 Two-piece foam port plugs8 Self-adhesive rubber feet4 Jumper-straps Manual Bowers & Wilkins brochureWarranty Information
For more information about how to setup, use and maintain the Bowers & Wilkins 705 S3, use the direct link below to download the official manual document:
Download User Manual for B&W 705 S3
Here is a link to download the official brochure for the Bowers & Wilkins 705 S3 speaker:
Official Brochure for B&W 705 S3
Official Product Page
Official manufacturer's product page for the Bowers & Wilkins 705 S3 speaker can be found below:
Official Product Page for B&W 705 S3
5 Years of parts warranty and 5 Years of labor warranty is generally provided by the manufacturer.