Alto Professional TS18S 18" 2500 Watt Powered Subwoofer Pair
4.9
32 Reviews
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Alto Professional TS18S 18" 2500 Watt Powered Subwoofer
For bass that doesn’t just fill the room but dominates it, the Alto Professional TS18S is your ultimate choice. This 18-inch subwoofer unleashes 2,500 watts of thunderous low-end power, turning any space into a vibrant sonic experience. Every kick drum resonates like rolling thunder, and every bass line cuts through with precision, delivering sound you can feel to your very core.
What Makes the TS18S the Perfect Choice for Your Setup?
The TS18S is the cornerstone of your sound, transforming it from simple background music into an unforgettable experience that resonates long after the last note. It’s not just sound — it’s impact you can feel.
2,500 Watts of Ground-Shaking Power: Experience unmatched, controlled sound that energizes nightclubs, fills concert halls, and elevates worship services effortlessly. The high-efficiency Class D amplifier delivers maximum impact with minimal energy use.
Premium 18-Inch Driver with 3-Inch Voice Coil: Built to endure, this powerful transducer delivers tight, punchy bass that remains crisp even at peak performance. Every note hits with intensity, guaranteed to move the crowd.
Internally-Braced Composite Cabinet: Enjoy pure, distortion-free sound. The precision-engineered cabinet eliminates unwanted vibrations, ensuring a focused, powerful performance — pure thump, no rattle.
Built for the Road and Built to Last
Live sound is unforgiving, and the TS18S is engineered to handle whatever you throw at it. From intimate venues to massive outdoor stages, this subwoofer adapts to your needs while maintaining the rock-solid reliability that keeps your shows running smoothly.
Durable Splatter-Spray Finish: Touring can be rough on gear, but this resilient finish ensures your subwoofer stays sleek and professional, even after countless setups and breakdowns. Built to endure, it looks great and performs even better, night after night.
Advanced Protection Systems: With electronic clip protection, thermal safeguards, and transducer overdrive prevention, your investment is always secure. Push the TS18S to its limits — it’s designed to handle the pressure while delivering flawless sound every time.
Integrated 36mm Pole Socket: Easily mount your full-range speakers for a stable, space-saving setup. Enjoy a clean, organized design that reduces cable clutter and maximizes efficiency.
Seamless System Integration
The best subwoofer in the world is worthless if it doesn't play nice with your existing setup. The TS18S connects effortlessly to any system, giving you the flexibility to adapt to different venues and performance requirements with professional-grade connectivity.
Dual XLR & 1/4-Inch Combo Inputs: Connect from mixers, amplifiers, or other audio sources with standard professional connections. Two balanced XLR line outputs and XLR thru outputs make linking multiple units simple and reliable.
User-Selectable EQ Tunings: Choose between Off, Live, and DJ settings to optimize your sound for the specific demands of each performance. Switch modes on the fly to match your venue's acoustics perfectly.
Phase Alignment Selector: Fine-tune the interaction between your tops and subs with 0°, 90°, 180°, and 270° phase options. Get your entire system working together for maximum impact and clarity.
The Foundation Your Sound Deserves
The Alto Professional TS18S isn't just another piece of gear — it's the cornerstone that elevates your entire audio system from good to unforgettable. You'll come to know you've made the right choice.
Alto Professional TS18S Features:
High-efficiency Class D amplifier delivering 2,500 watts of power
18-inch driver with 3-inch high-temperature voice coil for maximum impact
Internally-braced front-ported MDF cabinet with integrated 36mm pole socket
Electronic clip, thermal and transducer overdrive protection
Two XLR & 1/4-inch combo inputs and two balanced XLR line outputs
Dimensions (H x W x D): 26.7” x 20.9” x 24.7” / 678.2 x 530.9 x 627.4 mm
Weight: 93.0 lbs / 42.2 kg
Customer Reviews
4.9
Based on 32 reviews
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Adolphus T. 🇺🇸
Verified Buyer
after my research I decided
after my research I decided to purchase these subs. best decision I could have made. The process was very easy, the cost was not only what I could afford, the terms were great and they sound amazing with my 6 piece band. Shipping was fast as well. I'm adding castors and buying the covers,
Published date
12/09/25
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Kevin R. 🇺🇸
Verified Buyer
I have always used Alto's.
I have always used Alto's. I love the sound quality and they have an awesome bass sound. Use to buy from guitar center in baton rouge but there customer service is not what it use to be and AMS does a better job
Published date
12/28/25
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christopher c. 🇺🇸
Verified Buyer
Best bang for the buck
Best bang for the buck . . you won’t be disappointed… good deep clean bass
I'm extremely happy with the Alto speakers, the TS15, & TS18S i recently purchased from AMS! Eric was a great help with my selection and fully affirmed the sound and quality of their products! I'll refer AMS(Eric) to any friend I know that are in need of new equipment with high regard!
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