Alpine S2-A60M Next-Generation S-Series 600W RMS x 1 at 1 Ohm, Class-D Mono Subwoofer Car Amplifier
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What's Inside?
- • Mono subwoofer amplifier (two 30A ATO fuses installed)
- • (2) End caps
- • (4) 3/4" screws
- • (4) 1/4" screws
- • 2mm Allen key
- • Power supply note
- • Alpine Verification Certificate
- • On-line product registration information
- • Warranty information
- • Owner's Manual
Why Choose Alpine S2-A60M Mono Subwoofer Amplifier?
Clean Bass Power You Can Trust
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.
Strong, Controlled Low-End Performance
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.
Easy Tuning and Full Flexibility
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.
Built for Real-World Installations
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.
Frequently Asked Questions (FAQ)
- • Will this mono amplifier work with my subwoofer?
Yes, as long as your subwoofer's impedance and power handling match the amplifier's specifications. Always verify the wiring configuration before connecting the subwoofer.
- • Why does the amplifier keep going into protect mode?
Protect mode is usually caused by overheating, incorrect speaker wiring, or a short circuit. Check the power, ground, and speaker connections before turning the system back on.
- • Why isn't my subwoofer producing any bass?
This is often caused by incorrect crossover settings, loose wiring, or the remote turn-on wire not functioning properly. Verify all amplifier settings and inspect the speaker connections.
- • Can I install this amplifier without professional help?
Yes, experienced DIY installers can complete the installation with the proper wiring knowledge and tools. If you're unfamiliar with amplifier wiring, professional installation is recommended.
- • Why does the amplifier get very hot during use?
It is normal for an amplifier to become warm while delivering high power. Make sure it is installed in a location with adequate airflow and is not covered by carpet or other materials.
- • Why do I hear a whining noise through my audio system?
Engine whine is commonly caused by poor grounding, damaged RCA cables, or signal cables routed too close to power wires. Improving the grounding point and separating the cables usually eliminates the noise.
- • What size power wire should I use for this amplifier?
The recommended wire size depends on the amplifier's current draw and the cable length. Using the proper wire gauge and fuse helps ensure safe and reliable operation.
- • Why does the bass sound weak even with the gain turned up?
Weak bass is often caused by incorrect subwoofer wiring, improper enclosure design, or crossover settings. Matching the enclosure and tuning the amplifier correctly will improve low-frequency performance.
- • Can I run two subwoofers from this amplifier?
Yes, provided the combined impedance stays within the amplifier's supported range. Wire the subwoofers correctly to avoid triggering protect mode or damaging the amplifier.
- • How can I get the best performance from this amplifier?
Set the gain correctly, adjust the low-pass crossover, and use a properly matched subwoofer enclosure. Careful tuning will produce cleaner bass, better output, and improved overall sound quality.
- Low Frequency Response : 50-400 Hz
- Number of Channels : 1
- Frequency Response : 10-400 Hz
- Built In Crossovers : Yes
- RMS Power Output : 600 Watts
- Amplifier Class : D
- Fuse Rating : 60 A
Features:
- CTA-2006 Certified Performance: The Alpine S2-A60M is tested and rated under CTA-2006 standards, ensuring accurate, real-world amplifier performance measurements for power output and signal-to-noise ratio under controlled conditions.
- Reliable Mono Power Output: Delivers 330W RMS x1 at 4Ω with a 85 dBA signal-to-noise ratio (1W/4Ω), and up to 600W RMS x1 at both 2Ω and 1Ω for strong, consistent subwoofer performance.
- High Signal Clarity: Achieves a 105 dB signal-to-noise ratio at rated output (4Ω), ensuring clean bass reproduction with minimal background noise.
- Flexible Input Compatibility: Accepts both line-level signals (0.2V–4V) and speaker-level signals (0.5V–10V), allowing integration with factory or aftermarket head units.
- Selectable Turn-On Modes: 3-way input and activation switch supports DC offset, remote trigger (REM), and low-level RCA configurations for versatile installation options.
- Always-On Low-Pass Crossover: Built-in 24 dB/octave low-pass filter with adjustable range from 50 Hz to 400 Hz ensures precise subwoofer frequency control.
- Adjustable Bass EQ Boost: Variable bass enhancement from 0 dB to +12 dB at 50 Hz allows customizable low-end impact based on listening preference.
- Optional Remote Bass Control Support: Compatible with Alpine RUX-KNOB.2 wired controller (sold separately) for real-time bass level adjustments with up to 20 dB range.
- Efficient Gain Control System: Rotary gain adjustment supports a wide input range for precise signal matching and optimized system performance.
- Heavy-Duty Power Connections: 4-gauge power and ground terminals with secure set-screw design ensure stable current delivery and reliable installation.
- Dedicated Speaker Output Terminals: Accepts up to 8-gauge wire for secure subwoofer connection with solid power transfer.
- Signal Pass-Through Capability: Dual RCA pre-outs allow clean signal routing to additional amplifiers without altering original input settings.
- Protected Power Design: Equipped with dual 30A ATO fuses plus external fuse recommendation (60A minimum) for safe and stable operation.
Specifications:
- RMS Power Output (Watts x Channels): 330 x 1
- Peak Power Output (Watts x Channels): ---
- Power at 2 Ohms (Watts x Channels): 600 x 1
- Power at 1 Ohm (Watts x Channels): 600 x 1
- Bridged Power (Watts x Channels): ---
- Minimum Impedance Bridged: ---
- Minimum Impedance Unbridged: 1
- Best Frequency Response: 10 - 400 Hz
- THD at Rated RMS Power: 1%
- Signal to Noise Ratio: 85 dB
- Input Voltage: 14.4V
- Amplifier Class: D
- Built-in DSP: No
- Remote Control: Optional
- Low-Pass Crossover Frequency: 50 - 400 Hz
- Low-Pass Slope (dB/octave): 24 dB/octave
- High-Pass Crossover Frequency: N/A
- High-Pass Slope (dB/octave): N/A
- Bass Boost: 0 - 12 dB
- Bass Boost Frequency: 50 Hz
- Fan Cooled: No
- Fuse Rating: 60
- Speaker Level Inputs: Yes
- Preamp Outputs: 2
- Width: 8-11/16 inches
- Height: 2-1/4 inches
- Depth: 8-5/16 inches
- UPC: 793276085160
- Weight: 6
- Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for repair within 1 year from the original date of purchase with proper return authorization.
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Write a review!
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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
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Great value for money. Makes my sub sound way better with much clearer lows at 2 ohms.
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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
