Amazon.com has an Athena AS-P400 10″ 400 Watt Front-firing, Front-ported Compact Subwoofer for $230.99 with Free Shipping.
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- Powered subwoofer with a 10-inch, high-excursion, injection-molded polypropylene driver with durable rubber surround n
- Delivers 100 watts RMS, 400 watts peak n
- Exclusive SCT (System Creation Technology) provides easy-set crossover points for seamless matching with other speakers in the Audition series n
- Convenient front-mounted controls and front-firing port grant extra placement flexibility