In this review, we will be comparing Sony Signature Series SA-Z1 and LS50 Wireless, 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 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 compare and hopefully end up with enough arguments to decide which one of these loudspeakers is the better choice for you.
Drivers
Both Sony Signature Series SA-Z1 and LS50 Wireless are 2-way speakers.
| Driver |
Sony Signature Series SA-Z1 |
KEF LS50 Wireless |
|
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 features a 1" Aluminum Hard-Dome Tweeter and 1 x 5.25" Magnesium/aluminum alloy Woofer .
Frequency Response
Sony Signature Series SA-Z1 has a frequency range of 51-100k Hz whereas LS50 Wireless has a frequency range of 79-28k Hz. With a minimum frequency of 51Hz, the Sony Signature Series SA-Z1 can go significantly deeper on the low side and provide stronger bass compared to the LS50 Wireless's min frequency of 79Hz.
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.
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.
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'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 has external dimensions of 301.6 x 200.0 x 336.5mm ( 11.875 x 7.875 x 13.25inch) .
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 is approximately 673.0cm2 / 104.3inch2. The Sony Signature Series SA-Z1 requires 3% less surface area than the LS50 Wireless which gives it a small advantage on placement in tight spaces.