Alto Professional TS15S | 2500W 15-Inch Active Professional Subwoofer Extreme punch, professional control. The TS15S is Alto Professional's most versatile subwoofer, engineered to add essential weight and "thump" to your performance. Featuring a premium 15-inch long-excursion driver with a 3-inch high-temperature voice coil, it produces a powerful, controlled low-end presence down to 36Hz. With a peak SPL of 132dB, it has the authority to anchor nightclubs, concert halls, and large private events. The internally braced composite cabinet ensures a tight, musical sound without unwanted rattles, while the integrated DSP allows you to perfectly time-align the sub with your top speakers for a seamless, full-range experience. Why Choose the Alto Professional TS15S? Powerful 2500W Output: High-efficiency Class-D amplification provides massive headroom and professional-grade low-end authority. 15-Inch Long-Excursion Driver: Delivers deep, impactful bass with a 3-inch voice coil designed to survive the rigours of high-volume live performance. Onboard DSP Tuning: Quickly select between "Live," "DJ," or "Off" EQ presets to perfectly match the subwoofer's character to your venue. Phase Alignment Control: An intuitive phase switch ensures your tops and subs move in perfect synchronization, preventing bass cancellation. Robust Enclosure: Features a premium, internally braced composite cabinet with a mark-resistant splatter-spray finish for long-term durability. Versatile Connectivity: Dual XLR+1/4” combo inputs and dual XLR link outputs allow for easy integration with Alto TS4 series or any professional PA. Comprehensive Protection: Electronic clip, thermal, and transducer overdrive protection keeps the system running safely through the longest sets. Integrated Pole Mount: Includes a heavy-duty 36mm mounting pole socket for secure "sub-and-pole" configurations. Professional Integration and Versatility Seamless System Alignment The TS15S is designed to be the "missing link" for your sound system. By offloading the demanding low-frequency tasks to the TS15S, your full-range top speakers can focus on the mids and highs, significantly increasing the overall clarity and volume of your entire rig. The selectable EQ modes mean you can have a "flat" response for live bands or a "boosted" punch for DJ sets at the flick of a button. Built for the Road Alto Professional has built the TS15S for reliability. The internally braced cabinet design eliminates energy-sapping vibrations, ensuring that every watt of power is converted into pure, punchy bass. Despite its 15-inch driver, the cabinet remains ergonomically designed for easier transport and load-ins compared to larger 18-inch alternatives. Technical Specifications Amplifier: 2500W Peak / 1250W Continuous (Class D) Max SPL (@ 1m): 132 dB Transducer: 15-inch driver with 3-inch (76mm) high-temperature voice coil Frequency Response (-3 dB): 36 Hz – 110 Hz Frequency Range (-10 dB): 31 Hz – 123 Hz Connections: (2) XLR+1/4” combo inputs, (2) XLR outputs, (1) IEC power input Enclosure: Internally braced composite cabinet with 36mm pole socket Weight: 32.2 kg (71.0 lbs) Dimensions: 541 x 523 x 627 mm Frequently Asked Questions Is a 15-inch sub better than an 18-inch sub? A 15-inch sub like the TS15S often provides a "faster," punchier response that many DJs and bands prefer for kick drums and electronic basslines. It also offers a significant saving in weight and vehicle space compared to an 18-inch unit while still providing more depth than a 12-inch sub. Can I link two of these together? Yes. You can easily daisy-chain the signal from your mixer into the first TS15S and then use the XLR outputs to pass the signal to a second subwoofer or up to your top speakers. Does this work with the Alto App? While the TS4 top speakers feature app control, the TS15S uses physical onboard switches for EQ and Phase Alignment to ensure the most reliable, "hands-on" connection for your low-end foundation. What is In The Box? 1 x Alto Professional TS15S Subwoofer 1 x IEC Power Cable 1 x User Guide 1 x Safety & Warranty Manual Why Buy From djkit? At djkit, we recommend the Alto TS15S for performers who want the perfect balance of "big room" bass and portable convenience. It is a high-value, professional anchor that will transform the impact of your live sound. With our fast UK delivery and expert technical support, we help you build a sound system that truly moves your audience.
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