Klipsch Synergy Sub-10 review: Klipsch Synergy Sub-10

CNET Editors' Rating

3 stars Good
  • Overall: 6.5
  • Design: 7.0
  • Features: 7.0
  • Performance: 6.0

Average User Rating

5 stars 1 user review
Review Date:
Updated on:

The Good Amply endowed 10-inch subwoofer; 200-watt amplifier (FTC rated); versatile connectivity.

The Bad The sonic match with its companion SLX speakers is far from seamless.

The Bottom Line Klipsch's Synergy Sub-10 is powerful and musical, and that's not something you always find in midpriced subwoofers.

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Klipsch has developed a winning formula for its best-selling line of subwoofers: build in lots of power, design superb woofers, and make sure that the subs can fill even large rooms with soul-satisfying deep bass. That last criterion is a brave move in a market that favors ever smaller "lifestyle" speakers and subs--and no matter how you look at it, the Klipsch Synergy Sub-10 ($400 list) is far from petite. This bad boy measures 17 inches high, 14 wide, and nearly 19 deep, and it tips the scales at 37 pounds. The Sub-10's textured black vinyl finish is highlighted by titanium trim pieces, but the overall look is pretty bland.

The sub's 10-inch, down-firing driver is coupled to a highly efficient 200-watt amplifier, which is said to provide 420 watts of dynamic power. It's worth noting that Klipsch's power ratings conform to the more rigorous FTC rating standards, so--unlike the wildly optimistic wattage ratings ascribed to most subwoofers--the Sub-10's potency is assured.

The subwoofer's low-pass crossover is continuously adjustable from 40Hz to 120Hz. Connectivity covers all bases with stereo-line and speaker-level inputs, plus a set of speaker outputs (the speaker connectors are all heavy-duty binding posts). A dual-color blue/red LED display on the front of the subwoofer lets you know whether the unit is on or in standby mode. And while a knuckle rap to the cabinet proved it to be fairly hollow and resonant, we didn't detect that in its sound.

We used the Sub-10 with a pair of Klipsch's new Synergy SLX satellite speakers. The SLXs sound great, but since they produce virtually no mid- or deep-bass on their own, they're totally dependent on the sub to flesh out the sound. The Sub-10 was mostly up to the challenge, but we had to invest quite a bit of time fiddling with its crossover and level controls to achieve a satisfactory blend with the SLXs. The subwoofer rolled out supple bass on CDs and massively deep impact on special-effect-laden DVDs. But most of the time, we weren't all that aware of the Sub-10's contributions--it took something along the lines of a car crash or an explosion (requiring low-end support) for the Sub-10 really to kick in and shake up our home theater. While the Sub-10's bass is gutsier and clearly more powerful than the last sub we tested, the Wharfedale SW150, bass-hungry listeners may not be satisfied. Upgrading to the 12-inch Klipsch Sub-12 could provide your SLX system with more bass bravado.

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Where to Buy See all prices

Klipsch Synergy Sub-10

Part Number: SUB-10 Released: Apr 25, 2005
Low Price: $179.51 See all prices

Quick Specifications See All

  • Release date Apr 25, 2005
  • Speaker System Type subwoofer
  • Nominal (RMS) Output Power 200 Watt
  • Speaker Type subwoofer
  • Color titanium
  • Amplification Type active
  • Connectivity Technology wired
  • Sensitivity 115 dB