NHT SA-2 Subwoofer 120W/165W Power AmplifierSee pictures - All items included with this listing are displayed in pictures. No additional accessories, such as cables, documentation, original boxes, adapters, etc. are included with the listing. If have any questions or need additional information, please contact us before bidding/buying.SA-2 Amplifier Specifications· System Type: Monaural Class G subwoofer amplifier· Power Output: 120 watts RMS into 8 ohms, 165 watts into 4 ohms· Frequency Response: 25Hz - 150Hz +/-3dB· Distortion: Less than 0.03% at full power· Crossover: Low-pass continuously variable between 35-150Hz, 18dB/octaveSelectable high-pass at 50, 75, and 110Hz, 12dB/octave (line-level)Fixed high-pass at 100Hz (8 ohms), 6dB/octave (high-level)·Input Connectors: Gold plated RCA jacks for line level inputGold plated barrier strip for speaker level input· Output Connectors: Gold plated RCA jacks for line level outputGold plated barrier strip for speaker level outputGold plated 5-way binding posts for subwoofer output· Phase Control: 2 position selectable at 0 and 180 degrees· Standby Mode: (defeatable) Automatically shuts off when no signal is present for 10 minutes· Weight: 15 lbs.· Dimensions: 3.75"H x 16"W x 10.75"D· Finish: Black anodized front panel, black painted chassis