This is the legendary DD Plus version, brand new in a factory sealed carton. It is a completely different sub than the original DD-15. The woofer in the Plus is totally redesigned with 3db more output than the original DD-18. It has a much higher build quality than the original DD-15. The Plus series adds auto EQ, balanced inputs and an ethernet connection. The woofer magnet has been increased from 24 LBS to 40 LBS. It sold for $4,999 new. I bought 2 of these several years ago and 1 of them performed so well in my room that I never opened the second one. This sealed servo enclosure reproduces the deepest bass notes from 15 HZ to 120HZ and will rock your world! The built in amplifier powers the sub with 1250 watts RMS. The sub comes with a high quality calibration microphone that allows you to calibrate the sub to your room. Check out the feedback at Audiogon about me and you will see that I deliver exactly what I describe every time.
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