Amazon offers the Pioneer SW-8MK2 Andrew Jones Designed 100-Watt Powered Subwoofer for a discounted price of $99.99 plus free shipping. Limited time offer. You save $60 off the price! That's the lowest price we could find. This has a 4.4 out of 5 star rating with over 200 reviews on Amazon.

• Powerful 100 Watt internal amplifier for controlled bass at any volume level high or low
• 8" long throw woofer allows for lower frequencies than traditional woofers
• Crossover and Phase Adjustments to perfectly blend subwoofer with your speakers
• Frequency Range: 38 Hz – 150 Hz
• Speaker level and line level inputs for installation options using either speaker wire or a subwoofer cable