S-Series 600W Mono Amplifier Alpine’s Class D Amplifier Circuit • Built-in Selectable / Adjustable Crossovers • Dimensions: 8.7”(W) x 2.25”(H) 8.25”(D) • Frequency Response: 10Hz – 400Hz • S/N Ratio: >85dB • Power Output: 330W x 1 @ 4 Ω • 600W x 1 @ 2Ω • 600W x 1 @ 1Ω