I'm curious as to the Emotiva SE12 @ $400. Perhaps not the best of the bunch but wonder how it performs? Below are the website specs:\n\n\nDriver Complement\n\n\nActive driver: 12” downward firing heavy duty, long throw subwoofer with a vented steel frame, 2" voice coil, NBR surround, and treated paper cone.\nPassive radiator: 12” front firing passive radiator with a steel frame, rubber surround, and treated paper cone.\n\n\nElectrical Specifications\n\n\nAmplifier: 200 Watt RMS, 400 watts peak. Cool running, audiophile quality, high efficiency Class D amplifier.\nProtection: Acoustically transparent limiter.\nFrequency response: 28 Hz - 200 Hz (+\/- 3 dB).\n\n\nInputs:\n\n\nStereo left and right unbalanced RCA inputs.\nLFE unbalanced RCA input.\nSpeaker level left and right inputs.\n\n\nOutputs:\n\n\nStereo left and right unbalanced RCA stereo inputs with user-configurable 60\/80\/100 Hz high-pass, 12 dB\/octave bass high pass RCA output.\nHigh Pass THD >.005%\n\n\nControls:\n\n\nVolume\nX-Over Frequency (low-pass)\nHigh-pass Crossover Frequency\nPhase\n\n\nPower mode\n\n\nAC power: User selectable line voltage; 115 VAC\/60 Hz (6.3A Fuse); 230 VAC\/50 Hz (3A Fuse).\n\n\nCabinet:\n\n\nHeavy, acoustically inert MDF cabinet, covered on all sides with tough attractive textured vinyl. Includes a removable sculpted fabric grill with heavy vibration resistant MDF support frame.\nFeet: Permanently attached feet with anti-slip rubber pads.\nEnclosure Loading: Tuned passive radiator.\n\n\nMechanical\n\n\n Dimensions:\n\n\n15-3\/4” high x 15-3\/4” wide x 15-3\/4” deep unboxed.\n17" x 17" x 17" boxed.\nFeet: Permanently attached feet with anti-slip rubber pads.\nWeight: 46 lbs unboxed. 50 lbs boxed.\n\n\nEXTRA\n\n\nThe Airmotiv SE12 Flex Sub can be configured in a variety of different ways, making it the perfect solution for adding a subwoofer to virtually any surround sound system, or for adding a subwoofer and bass management to almost any two-channel system.\n\n\nSystem Configuration #1: A surround sound preamp\/processor, A\/V receiver, or stereo preamp, with built-in bass management and a subwoofer output.\nSystem Configuration #2: A surround sound preamp\/processor, A\/V receiver, or stereo preamp, with a subwoofer output, but with no built-in bass management.\nSystem Configuration #3: A stereo preamp or processor that has line-level connections to a separate power amp but lacks a separate subwoofer output.\nSystem Configuration #4: An AVR or integrated amplifier that has no line level outputs or internal bass management.\nSystem Configuration #5: You have a stereo receiver or integrated amplifier, which has no subwoofer output or bass management, and that you wish to use with a subwoofer and a separate power amplifier.