Boston Acoustics

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Boston's premier high performance 2-way car components


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Boston Acoustics SPG555.

  • 6½" copolymer cone woofer with TwinStage™ heatsink
  • Woofer's neodymium motor structure offers extraordinary power-to-weight ratio
  • VariMount™ adaptor rings enable the SR60 woofer to fit into virtually any factory 6½-inch location.
  • Type-S1 1" Kortec® dome tweeters
  • Quick-fit mounting cup simplifies tweeter installation
  • Separable and dockable model-specific crossovers


Nominal Impedance
4 ohm
Recommended Amplifier Power
85watts RMS-250 watts peak
Mounting Depth
2-7/16" (62.0mm)
Nominal Size
Sensitivity [1 watt (2.83v) at 1m]
Frequency Response (±3dB in car)
System Type

Customer Reviews

Reviewer: fatih

I got a pair of these SR60 speakers for the front of my BMW e46 running off a Boston GTA 4 channel amp & I was very impressed. These are one of the best speakers I've heard. I originally wanted JL c5's but they wont fit on my doors, I would still prefer them over the SR60's, but in saying that, i love my sr60's & i will be getting another pair for the back :D Anyone who gets these speakers won't regret it & you will be happy for a long time aslong as you get a decent amp running them and have them tuned properly

Reviewer: texastundra

I just replaced my front and rear speakers in my '10 Tundra. I used the SR60 for all four speakers and they sound fantastic. I used a 80x4 amp to power them with a Pioneer head unit. Sounds very clean, as good as I hoped for.

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