Verdict
Ranked #2 of 5Reviewed by Mike Hun·May 20, 2026

Logitech Z623

Averaged from + undefined
The verdict

The Z623 is the budget THX pick. Same THX-certified standard as the Klipsch ProMedia 2.1 at $50 less, with multiple inputs. Aging design means no Bluetooth — wired-only setup. Best for gamers on a tighter budget.

Logitech Z623

Strengths

  • +THX-certified — same standard as the Klipsch ProMedia 2.1 at lower price
  • +200W RMS / 400W peak total power
  • +Three inputs (RCA + 3.5mm × 2) — connect computer, TV, console simultaneously
  • +Compact satellites + downward-firing 7" sub

Watch-outs

  • Aging design (released 2011) — no Bluetooth, no modern features
  • Volume / bass / treble knobs on the right satellite can be inconvenient to reach
  • Top end less detailed than the Klipsch ProMedia 2.1

How it compares

Cheapest THX-certified pick. More inputs than the Klipsch ProMedia 2.1. No Bluetooth (Logitech Z407 has it). Older design than every other pick here.

Who this is for

At a glance: gamers on a budget who want THX certification without paying ProMedia prices.

Why you’d buy the Logitech Z623

  • THX-certified — same standard as the Klipsch ProMedia 2.1 at lower price.
  • 200W RMS / 400W peak total power.
  • Three inputs (RCA + 3.5mm × 2) — connect computer, TV, console simultaneously.

Why you’d skip it

  • Aging design (released 2011) — no Bluetooth, no modern features.
  • Volume / bass / treble knobs on the right satellite can be inconvenient to reach.
  • Top end less detailed than the Klipsch ProMedia 2.1.

Rating sources

Our 4.6 score is the average of these published ratings. More about methodology.

Frequently asked questions

Is the Logitech Z623 worth buying?
The Z623 is the budget THX pick. Same THX-certified standard as the Klipsch ProMedia 2.1 at $50 less, with multiple inputs. Aging design means no Bluetooth — wired-only setup. Best for gamers on a tighter budget.
What is the Logitech Z623's biggest strength?
THX-certified — same standard as the Klipsch ProMedia 2.1 at lower price
What is the main drawback of the Logitech Z623?
Aging design (released 2011) — no Bluetooth, no modern features
What sources back the 4.6/5 rating?
Our 4.6/5 rating is the average of scores from 1 independent computer speakers with subwoofer review — techtimes. Click any source on the product page to read the original review.

How it compares

See all 5
Logitech Z623
4.6/5· $150
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