Alto Professional TS15S 15" 2500W Powered Subwoofer

SKU: ALTS15SXUS MFR: TS15SXUS
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Key Features

  • Experience powerful, accurate bass with 2500W peak power for immersive sound reproduction.
  • Achieve professional-grade audio with a 15" woofer, delivering deep and clear low-end frequencies.
  • Easily integrate this studio subwoofer into any setup using versatile XLR-1/4" TRS connectivity options.
  • Enjoy precise sound tailoring with preset EQ curves, optimizing your audio for any environment.
  • Built for durability and performance, its robust design ensures reliable power handling for extended use.
  • Enhance your listening experience with a wide frequency response from 36 Hz to 110 Hz.
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Temporarily On Backorder?Expected Availability: 04/2026
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Review Summary

Alto Professional TS15S Specifications

General

General

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  • Speaker Type

    Active Subwoofer

  • Enclosure Type

    Bass-Reflex

  • Total Output Power

    625 W RMS / 2500 W Peak

  • Amplifier Class

    Class-D

Drivers

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  • LF Driver

    1x 15" (38cm) Woofer
    Voice Coil: 3" (76mm)

Performance

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  • Frequency Range/Response

    36 Hz to 110 Hz (-10 dB)
    36 Hz to 110 Hz (-3 dB)

  • Maximum SPL

    132 dB (Peak)

  • Protections

    Thermal, Transducer Overdrive

Signal Processing

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  • EQ & Filters

    Preset EQ Curves

  • Dynamic Processing

    Peak Limiter

  • Alignment Delay

    No

  • Digital Signal Processing

    No

Connectivity

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  • Audio I/O

    2x Combo XLR-1/4" TRS Line Input
    2x XLR 3-Pin Line Output

  • Network I/O

    No

  • USB I/O

    No

  • Wireless

    No

  • Mobile App Compatible

    No

  • AC Input Power

    100 to 120 VAC, 50 / 60 Hz
    220 to 240 VAC, 50 / 60 Hz

  • AC Power I/O

    1x IEC Input

  • Power Consumption

    1600 W

Physical

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  • Color

    Black

  • Mounting

    1x 1.42" (36mm) Pole Socket (Top)

  • Handles

    1x Each Side

  • Construction Material

    MDF

  • Environmental Resistance

    No

  • Dimensions

    24.7 x 24.7 x 20.6" (62.7 x 62.7 x 52.3cm)

  • Weight

    87.1 lbs (39.5kg)

  • UPC Code

    0816311012119

About Alto Professional TS15S

Rock-Solid Sound from the Bottom, Up
The best performances need the best in sound reinforcement at all ends of the sonic spectrum. For tight, punchy low-end look no further than the Alto Professional TS15S powered subwoofer. When added to your full-range speaker setup, the TS15S subwoofer delivers powerful but controlled low-end presence to your PA configuration for a full and complete listening experience for the modern public music space. With a powered subwoofer, any musical performance will take a giant leap into the realm of tonal balance with the perfect blend of hi, mid, and extended low-end frequencies.

The Most Powerful Subwoofer Yet
Sound reinforcement needs can change from night to night but the best in the business count on reliable power at their disposal whenever it's needed. The TS15S is Alto Professional's most powerful subwoofer yet, packing an incredible 2500 watts of power to make concert halls come alive, night clubs punch and pump, houses of worship lift-up instrumental performances, and more. Thanks to its high- efficiency class D amplifier, TS15S adds the necessary heft and weight to any public performance for a balanced representation of musical artistry in any environment.

Carefully Built for Quality Performance
A structure is only as good as its foundation and your sound is no different. The TS15S subwoofer is built with reliable durability in mind to be the anchor of your setup and the anchor of your sound. Built with superior materials, the TS15S is engineered with a premium internally braced composite cabinet enclosure for tight, controlled sound. Enjoy all the thump and bump without the unnecessary rumbles and rattles. The key to low-end is clear definition for impactful sonic transmission and a carefully crafted enclosure ensures a truly unbiased sound delivery. With a premium 15-inch driver featuring a 3-inch, voice coil transducer, rest assured, the TS15S subwoofer is built to handle the rigors of live performance whether permanently installed or as part of a traveling setup, night after night.

A Subwoofer for Any Setting
What good is a sub if it doesn't play along nicely with the rest of your speaker setup? The TS15S is designed and engineered to fit into any system thanks to the versatile onboard electronics switches. Quickly bounce through the User-selectable EQ tunings to enable, boost, or bypass low end accentuation appropriately as different shows require. Use the intuitive Phase Alignment function as needed to make sure your tops and subs perform well no matter the setting or setup. With dedicated input and output paths, seamlessly connect your companion Alto Professional full-range loudspeakers or any other standard loudspeaker units.

Alto Professional TS15S Features

  • 2500W peak power output
  • High-efficiency Class D amplifier
  • Transducer: 15-inch driver with 3-inch high-temperature voice coil
  • 2x XLR+1/4-inch combo inputs
  • 2x XLR thru outputs for linking
  • User-selectable EQ tunings (Off, Live, DJ)
  • Phase Alignment selector switch (0 Degree /90 Degree /180 Degree /270 Degree )
  • Rugged, internally-braced front-ported MDF cabinet with integrated 36 mm pole socket
  • Mark-resistant splatter-spray finish always looks good, even with heavy use
  • Electronic clip, thermal and transducer overdrive protection
  • Designed and tuned in the USA

Warranty Information

This product has a limited warranty of 12 months.

Key Features

  • Experience powerful, accurate bass with 2500W peak power for immersive sound reproduction.
  • Achieve professional-grade audio with a 15" woofer, delivering deep and clear low-end frequencies.
  • Easily integrate this studio subwoofer into any setup using versatile XLR-1/4" TRS connectivity options.
  • Enjoy precise sound tailoring with preset EQ curves, optimizing your audio for any environment.
  • Built for durability and performance, its robust design ensures reliable power handling for extended use.
  • Enhance your listening experience with a wide frequency response from 36 Hz to 110 Hz.

What's in the box:

  • Alto Professional TS15S 15" 2500W Powered Subwoofer
  • IEC Power Cable
  • Alto Professional 1 Year Limited Warranty