JL audio F212 dual 12in. 3000w sub-gloss blk

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Never used. Unbalanced Inputs: Stereo or Mono (two RCA jacks)
Balanced Inputs: Stereo or Mono (two female XLR jacks)
Output To Slave: Balanced (one male XLR jack)
Input Modes: Master or Slave
Level Modes: Reference (fixed gain) or Variable from full mute to +15dB over reference gain
Power Modes: Off, On or Automatic Signal-Sensing
Light Modes: Off, On or Dim
Low Pass Filter Mode: Off, 12 dB per octave or 24 dB per octave
Low Pass Filter Cutoff Frequency: Variable from 30 Hz - 130 Hz
Polarity: 0 or 180 degrees
Phase: Variable from 0 - 280 degrees
ELF Trim: Variable from -12 dB to +3 dB at 25 Hz
NOTES: Automatic Room Optimization (A.R.O.): with included, laboratory-grade calibration microphone, defeatable
Enclosure Type: Sealed
Driver: Dual 12-inch (nominal diameter)
Frequency Response (Anechoic): 20 - 97 Hz (1.5dB)
-3 dB at 19 Hz / 110 Hz
-10 dB at 15 Hz / 157 Hz
Effective Piston Area: 168 sq. in. / 0.1084 sq. m.
Effective Displacement: 574 cu. in. / 9.4 liters
Amplifier Power: 3000 watts RMS short-term
Dimensions*:
(H) Height x (W) Width x (D) Depth 31.96 in. x 14.92 in. x 20.39 in.
812 mm x 379 mm x 518 mm