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If you’re serious about upgrading your bass, the Alpine S2-A60M is built to give you power you can actually rely on. It’s CTA-2006 certified, which means its performance numbers are tested under real-world conditions for accuracy and consistency. No guesswork, no inflated specs, just honest output you can build your system around.
This mono subwoofer amp delivers exactly what your sub needs to hit right. You get 330W RMS at 4Ω with a clean 85 dBA signal-to-noise ratio, and when you want more impact, it pushes up to 600W RMS at 2Ω or 1Ω. With a 105 dB signal-to-noise ratio at rated output, your bass stays tight, deep, and clean without unwanted noise getting in the way.


The S2-A60M gives you full control over how your bass behaves. A built-in 24 dB/octave low-pass crossover lets you fine-tune from 50 Hz to 400 Hz, while the bass EQ adds up to +12 dB boost at 50 Hz for extra punch when needed. You also get flexible setup options with speaker-level and RCA inputs, plus a 3-way turn-on switch that supports DC offset, remote trigger, or signal sensing depending on your build.
Everything about this amp is designed to make installation simple and reliable. Heavy-duty 4-gauge power and ground terminals ensure stable current flow, while dedicated speaker outputs support solid connections for your subwoofer. Dual RCA pre-outs make system expansion easy, and built-in protection with dual 30A fuses plus external fuse recommendations keeps everything running safely. If you want clean, powerful bass that’s easy to integrate and dependable every day, this is a solid choice.

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you can always expect top-notch audio with Alpine products. this subwoofer amp surely got some punch. A true definition of "small but terrible" amp
Great value for money. Makes my sub sound way better with much clearer lows at 2 ohms.
always love alpine products ever since i've bought my first speakers from them in 90s. versatile amp. much power and now i worry that my sub will get blown haha