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Logitech Z623 Speaker System


  • $269.00


THX Certified

These speakers have met strict performance standards to achieve THX® certification.*Learn how Logitech and THX bring the theater to your home.

* THX and the THX logo are trademarks of THX Ltd. which are registered in some jurisdictions .

400-watt peak power

You’ll hear and feel immersive theater quality audio that brings music, movies, and games to life.*

*200W RMS power

Multiple inputs

Z623 speakers have convenient RCA and 3.5 mm inputs for music, movie, and gaming devices.

Integrated controls

Dial the volume and bass up or down to customize your listening experience.

Built-in headphone jack

  • When you want to listen privately, just plug in your headphones.

Powerful 2.1 system

  • Easy, two-satellite setup and a powerful subwoofer give you big sound—even in large spaces

System Requirements

  • Computers
  • TVs
  • Music players
  • DVD players
  • Gaming consoles
  • Other audio sources with 3.5 mm or RCA audio output


Height: 11.2 in (284 mm)
Width: 12.0 in (305 mm)
Depth: 10.5 in (266 mm)
Weight: 15.4 lbs (7000 g)

Right Satellite (w/ controls
Height: 7.7 in (196 mm)
Width: 4.6 in (117 mm)
Depth: 5.0 in (126 mm)
Weight: 2.2 lbs (1000 g)

Left Satellite
Height: 7.7 in (196 mm)
Width: 4.6 in (117 mm)
Depth: 5.0 in (126 mm)
Weight: 2.1 lbs (950 g)

Warranty Information

  • 2-Year Limited Hardware Warranty

Package Contents

  • Two satellite speakers
  • Subwoofer
  • 3.5 mm audio input cable
  • Speaker connector cables
  • User documentation

Technical Specifications

  • Total watts (RMS) 200W Subwoofer 130W
    Satellites 2 x 35W
  • THX® Certified
  • 2 3.5 mm inputs
  • RCA input
  • Headphone jack
  • Controls: Power, volume and bass controls on right speaker
  • System Frequency response: 35 Hz-20 KHz
  • On and off-axis frequency response shape: Per THX multimedia system specification