Alpine S2-A120M S-Series Class-D Mono Subwoofer Amplifier, Hi-Res Certified, 1200W RMS at 1 & 2-Ohm - Unparalled Power - Alpine’s S-Series S2-A120M 1200W Mono Amplifier is the perfect solution for unparalleled power and performance on a budget. With a power output of 1200W at a 1ohm or 2ohm drive, this mono amp is capable of driving even the most demanding subwoofers, delivering clean and distortion-free bass for a wide range of applications. MAIN FEATURES • 1200W Mono Amplifier • Alpine’s Class D Amplifier Circuit • Two-Sided Terminal Layout • Built-in Selectable / Adjustable Crossovers • Optional Remote Bass Knob Compatible (required RUX-KNOB.2 or RUX-H01, sold separately) TECH SPECS • Dimensions: 13.1” W x 2.25” H x 8.25” D • Weight: 8 lbs, 11 oz • Power Rating: 14.4V, < 0.1% THD +N • Power Output: 600W x 1 @ 4Ω, 1200W x 1 @ 2Ω, 1200W x 1 @ 1Ω • S/N Ratio: >85dB • Frequency Response: 20Hz – 400Hz • Damping Factor: >750 Alpine RUX-KNOB.2 Remote Bass Knob