Amazon offers the JBL Arena S10 10" 100-watt Powered Subwoofer in Black for $109 with free shipping. That's $11 under our mention from last November and the lowest price we've seen. (It's the best deal today by $90.) Features include:
  • 100 watts of RMS power (200 watts peak)
  • 41Hz to 150Hz frequency response
  • 10" polycellulose woofer
  • variable level, crossover, and phase controls