Logitech Z623 VS Z533

Logitech Z623 vs Z533 are wired 2.1 sound systems that come from the same company. The price difference between the two models is quite small, so we are wondering if we should make the leap to Logitech Z623 or just stick with Logitech Z533. As it turns out, there are several advantages that give Z623 a much better edge than Z533.

Below, we will discuss the comparison between Logitech Z623 vs Z533 in every aspect, including:

  • The design and build quality of Logitech Z623 and Logitech Z533
  • How to set up Logitech Z623 and Z533
  • The connectivity options available on Logitech Z623 and Logitech Z533
  • The special features that set Logitech Z623 and Z533 apart
  • The sound quality comparison between Z623 and Z533
  • Whether you should get Logitech Z623 or Z533

Logitech Z623 vs Z533: Design

Logitech Z623 consists of one subwoofer and two satellite speakers. These units are a little bit larger and heavier than the ones in Z533, but the differences are actually not that much. After all, you need to prepare some space if you want to have a 2.1 sound system for your computer or television.

That said, the subwoofer of Logitech Z623 is actually among the smaller ones in the market. It has a rectangular shape, with a protective metallic grille that is open enough to avoid interfering with the sound output. The satellite speakers have ABS plastic cases that are quite solid.

Overall, Logitech Z623 has a premium appearance. All of the speakers have a black finish. They are well-made, and they even have magnetic shielding so that they can be placed near other electronic devices without any issue.

Logitech Z533 is quite different, as it comes with an open, uncovered design. You can clearly see the drivers on the subwoofer and satellite speakers, as they don’t have protective grilles. The units have a black plastic finish, but the drivers feature a brass-colored inner ring.

The speakers of Logitech Z533 are slightly smaller and lighter, so you may be inclined to them if you are really pressed for space. The black and brass color combination makes them appear elegant and stylish. However, the speakers of Logitech Z533 are not shielded, so they are prone to interference issues if you place them near other electronic devices. Read also: Jabra Speak 510 vs Logitech P710E here.

 Logitech Z623Logitech Z533
Product Dimensions17.31 x 11.87 x 12.25 inches 10.1 x 7.7 x 10.5 inches
Shipping Weight18.15 pounds
12.3 pounds
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Logitech Z623 vs Z533: Connectivity

Logitech Z623 offers more flexibility and usability by coming with the ability to connect to 3 devices at the same time. In total, there are RCA and 3.5mm input jacks that will allow you to use this sound system with your television, computer, game console, or even smartphone.

One of the 3.5mm input jacks is located on the side of the right satellite speaker. This will allow you to plug in your mobile device easily. There is a headphone output jack here, which can be handy when you want to use a headset for private listening.

The right speaker of the Z623 is connected to the subwoofer via a proprietary cable. Meanwhile, the left speaker simply uses a phono cable. The placement of the controls and additional ports on the right speaker is particularly nice for a desktop setup.

Logitech Z533, on the other hand, is only able to connect to 2 devices simultaneously. On the back panel of the subwoofer, you can find RCA and 3.5mm input jacks, along with the left and right ports for connecting the satellite speakers.

The satellite speakers themselves are simple and plain. For control, the subwoofer is connected to a pod that features a rotating knob for adjusting the volume. The pod also provides a 3.5mm input jack and a headphone output. Although the pod is perfectly functional, it may feel cumbersome, as it introduces another cable to deal with.

Logitech Z623 vs Z533: Features

As mentioned above, the right speaker of Logitech Z623 houses the controls. Here, you can access the power button, volume knob, and bass boost knob. One nice thing about the control knobs is that they are marked so that you can find out the current levels in a glance.

Logitech Z623 promises big power with its specs. It has a peak power rating of 400 Watts, and an RMS power rating of 200 Watts. This system can easily fill a large room with its sound.

Furthermore, it is very interesting that Logitech Z623 comes with the THX certification. There are very few 2.1 sound systems that have a full certification for audio accuracy. Most products with a THX certification are usually surround sound systems, which involve many more satellite speakers. So, Logitech Z623 becomes a very attractive choice for music and cinema at home.

Meanwhile, Logitech Z533 uses a pod to provide on-board controls and additional ports. It works just fine, but the cable is rather short. As a result, some people find it awkward to place.

Another issue with this pod of Logitech Z523 is that the volume knob on the top doesn’t have any marking. You can never know the current level, unless you check by twisting the volume knob a bit. Meanwhile, the bass boost adjustment is in the form of a slider on the pod’s side.

Logitech Z523 has a peak power rating of 120 Watts and an RMS power rating of 60 Watts. It should be powerful enough for a small to medium room. Unfortunately, unlike its sibling, Logitech Z523 does not have the THX certification. It can still perform just fine, but it is nowhere near audiophile-grade.

Logitech Z623 vs Z533: Sound Quality

Logitech Z623 may have an impressive specs sheet, but is it truly good in real use? Definitely yes. When tested, the Z623 is somehow able to deliver a very rich three-dimensional sound, even though it is just a 2.1 system.

It is not as accurate as a good 7.1 system, but the directional impression is sufficient to give an immersive experience. Also, despite the relatively small size, the subwoofer is capable of producing solid, boomy bass. Low-frequency rumbles come out rich with pleasing details.

By default, the bass is already good and enjoyable. But if you want to shake your walls and windows, you can pump up the bass by twisting the bass boost knob on the right satellite speaker. The bass performance remains good until the last one-fifth segment, where you may experience some distortion. Meanwhile, the mids and highs are consistently crisp and natural across the volume range.

Logitech Z533 is obviously not as powerful. But it can be loud enough for a small bedroom. The overall sound is nicely balanced, with the subwoofer delivering decent punch without overwhelming the mids and highs. However, the lows tend to become muffled if you push the bass boost too much.

The Z533 is pretty good for the money if you only want some casual listening. The performance is noticeably better than basic internal speakers that you get inside your laptop and television. But it doesn’t provide much detail or accuracy.

- THX-certified 2.1 speaker system brings your music, movies and games to life in immersive studio-quality audio; Satellites: 2 x 35 Watt
- RCA and 3.5 millimeter inputs make it easy to plug in up to 3 audio devices - your computer, iPod, game console, DVD player and more
- 2 satellite speakers and a powerful subwoofer deliver sound big enough to fill even large entertainment rooms.Please Note: Kindly refer the User Guide before use.
- Compatible with Television,Computer,Smartphone,Tablet,Music player,DVD player,Blu-ray player,PlayStation,Xbox,Wii. System Requirements: Works with any device with either a headphone jack (3.5 millimeter) or RCA input.
- Powerful sound. 120 watts (60W of RMS power) of powerful yet balanced acoustics – produced by 2.25” (5.7 cm) full-range drivers designed with sound directivity to completely fill a room.
- Bass you can feel. Experience rich, dynamic bass with a front-facing subwoofer that immerses you in your music, movies or games.
- Play What you want. 3.5 mm and RCA inputs mean this speaker works with almost any Audio source – computer, tablet, smartphone, game console or TV. Just Plug in and start listening.
- Control at your fingertips. Place the wired control pod wherever you want for access to power, volume and bass controls, as well as an extra 3.5 mm jack and a headphone jack.


NOTE : Product prices, availability, ratings and save money information are accurate as of the date/time indicated on post time (as seen right bellow the tittle) and are subject to change. Any price, ratings, availability and save money information displayed on Amazon Site or Headphone Authority at the time of purchase will apply to the purchase of this product.

You should get Logitech Z623, which offers more advantages and a much better value for the money. It has a better design. The controls and additional ports are placed neatly on the right speaker. The speakers also have protective grilles and magnetic shielding. More importantly, Logitech Z623 has greater power, and the THX certification means superior sound quality.

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