In this review, we will be comparing Sony Signature Series SA-Z1 and LS50 Wireless II, two Powered Bookshelf speakers from Sony and KEF. Being Powered speakers, 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 Sony Signature Series SA-Z1 and KEF LS50 Wireless II first before getting into our more
detailed comparison.
In the following sections, we will get into more detail in order to better understand how the Sony Signature Series SA-Z1 and KEF LS50 Wireless II compare and hopefully end up with enough arguments to decide which one of these loudspeakers is the better choice for you.
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Drivers
Both Sony Signature Series SA-Z1 and LS50 Wireless II are 2-way speakers.
| Driver |
Sony Signature Series SA-Z1 |
KEF LS50 Wireless II |
|
Driver Setup
|
2-way
|
2-way
|
|
Tweeter
|
0.75, 0.5 (2)-inch
|
1-inch
|
|
Midrange
|
- |
- |
|
Woofer
|
2 x 4-inch
|
1 x 5.25-inch
|
Sony Signature Series SA-Z1 features a 0.75, 0.5 (2)" Titanium Hard-Dome Tweeter and 2 x 4" Woofer . On the other hand, the LS50 Wireless II features a 1" Aluminum Hard-Dome Tweeter and 1 x 5.25" Aluminum Woofer .
Frequency Response
Sony Signature Series SA-Z1 has a frequency range of 51-100k Hz whereas LS50 Wireless II has a frequency range of 45-28k Hz. With a minimum frequency of 45Hz, the LS50 Wireless II can go significantly deeper on the low side and provide stronger bass compared to the Sony Signature Series SA-Z1's min frequency of 51Hz.
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 Bookshelf class in our database.
Low Frequency
Bookshelf Speakers
Sony Signature Series SA-Z1
High Frequency
Bookshelf Speakers
Sony Signature Series SA-Z1
None of these speakers achieves full range experience which is commonly agreed as 20Hz-20kHz. In order to achieve lower lows / deeper bass, we recommend you pair these with a subwoofer. Visit our Powered Subwoofers section to find out more about the available options.
Physical Specs
Size of a speaker can sometimes become an important decision factor due to space constraints or in some cases purely for esthetic reasons. In this section, we are going to compare Sony Signature Series SA-Z1's and KEF LS50 Wireless II's external dimensions. Sony Signature Series SA-Z1 has external dimensions of 209.5 x 200.0 x 327.0mm ( 8.25 x 7.875 x 12.875inch) whereas KEF LS50 Wireless II has external dimensions of 277.8 x 200.0 x 322.3mm ( 10.9375 x 7.875 x 12.6875inch) .
Below you can see the front view size comparison of Sony Signature Series SA-Z1 and KEF LS50 Wireless II in scale.
Comparison image of Sony Signature Series SA-Z1 and KEF LS50 Wireless II Size and External Dimensions
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 Sony Signature Series SA-Z1 is approximately 654.0cm2 / 101.4inch2 and base area of the KEF LS50 Wireless II is approximately 644.6cm2 / 99.9inch2. The Sony Signature Series SA-Z1 requires 1% more surface area than the LS50 Wireless II which gives it a small disadvantage on placement in tight spaces.
Here is an another comparison that shows both speakers on a BDI Octave Media Cabinet, next to a standard size amplifier and turntable in scale:
Size Comparison image of Sony Signature Series SA-Z1 and KEF LS50 Wireless II on a Media Console
What's in the Box of Sony Signature Series SA-Z1?
Here are the items that are included inside the box of Sony Signature Series SA-Z1:
2 Desktop monitor speakers2 AC power cordsDigital sync cableWalkman cableUSB-C to USB-B cableRemote control2 AAA batteriesInstruction Manual
What's in the Box of KEF LS50 Wireless II?
Here are the items that come with the LS50 Wireless II:
2 Wireless powered speakersTwo 6.5-feet AC power cords10-feet Cat-6 interconnect speaker cableRemote control2 AAA batteries Quick Start Guide Important Safety Information Warranty Information