SVS AS-EQ1 SubEQ: World's most advanced bass room correction technology, made affordable.
http://www.svsound.com/products-parts-subeq.cfm
* Driven by an advanced Digital Signal Processor (DSP) using sophisticated Audyssey customized
room-correction algorithms
* Utilizes Adaptive Low Frequency Correction Technology (ALFC) from Audyssey Lab the most advanced
bass calibration method available to consumers today
* Performs in both frequency and time domain, for superior artifact-free bass adapted for your room
* Dual subwoofer processing for better blending and integration with main channels
* FIR filters to avoid time/phase distortion inherent with IIR filters for superior bass clarity
* Corrects bass for an incredible 32 positions in horizontal and vertical space to cover any listening area
* Heavy-duty steel chassis with SVS's magnetically-retained CNC'd aluminum face-plate
* Twin sub in, twin out, with multiple configuration modes. Mains level calibration signal output jack.
* Easy-to-use laptop PC graphical user interface (GUI) and CD operating software and users' guide
* Dedicated Audyssey microphone and AV receiver external calibration pass thru cables included
* High quality, isolated 12V. power supply, and USB cable included
* On-line SVS tech support page for easy software updates, upgrades and news
* Power and unit status LEDs
* Front-panel easy access for calibration microphone and USB connection
* Final test and assembly in SVS's Ohio headquarters
* Limited production, world-wide distribution only by exclusive SVS resellers