The Good Added satellite drivers improve audio clarity from previous Logitech 2.1's; accessible subwoofer control; audio input on the remote.
The Bad Subwoofer could use more oomph.
The Bottom Line The Logitech Z-4 2.1 speakers improve on the lackluster Z-3s in both audio output quality and design.
When we reviewed the Logitech Z-3 2.1 speakers last year, we weren't overly impressed. Their replacement in the Z line, the $100 Logitech Z-4, addresses some of the problems, and the result is a much better and more user-friendly speaker set. They're still not as good across a broad range of audio tasks as Logitech's outstanding , but the Z-4s won't disappoint gamers or music and movie fans on a budget.
With a frequency response of 35HZ to 20KHz, the Z-4s mimic their predecessors, as they do in many of the speaker and subwoofer specifications. The two satellite speakers measure 9 inches high, 3 inches wide, and 3 inches deep; each delivers 17 watts of power via one active concave dome driver and two pressure drivers (all 2 inches in diameter). The subwoofer meanwhile delivers 23 watts of power via an 8-inch pressure driver. At 9 inches wide, 9 inches high, and 9.5 inches deep, the subwoofer is a bit of an elephant, so you'll need ample room under your desk. You have your choice of black with the Z-4 or iPod white with the .
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