Alto TS 12S Active Subwoofer 12" Set with Spacer Rod

2500-Watt Subwoofer with a 12-Inch Driver!
  • Power: 2500 W Peak
  • Speaker Configuration: 12" Woofer
  • Frequency Response (-3 dB): 44 - 140 Hz
  • Frequency Range (-10 dB): 38 - 152 Hz
  • Maximum Sound Pressure Level: 130 dB (@ 1 m)
  • Inputs: 2 x XLR + 6.35 mm, Outputs: 2 x XLR
  • Value Set Including Spacer Rod
Variants (1)
Alto TS 15S Active Subwoofer 15" Set with Spacer Rod
Alto TS 15S Active Subwoofer 15" Set with Spacer Rod Alto TS 15S Active Subwoofer 15" Set with Spacer Rod
Alto TS 15S Active Subwoofer 15" Set with Spacer Rod
  • Power: 2500 W Peak
  • Speaker Configuration: 15" Woofer
  • Frequency Response (-3 dB): 44 - 140 Hz
  • Frequency Range (-10 dB): 38 - 152 Hz
  • Maximum Sound Pressure Level: 130 dB (@ 1 m)
  • Inputs: 2 x XLR + 6.35 mm, Outputs: 2 x XLR
  • Value Set Including Spacer Rod
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Delivery on Tuesday, 26.05.2026, if you order within  3 Hrs. 39 Min. 
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Alto TS 12S Active Subwoofer 12" - Rock-Solid Sound from Bottom to Top!

The best performances demand the best sound coverage across the entire frequency spectrum. The Alto Professional TS12S is an active subwoofer delivering powerful, punchy bass. The TS12S subwoofer complements your full-range speaker setup, adding a strong yet controlled low-end presence for a comprehensive and complete listening experience in modern public music venues.

With an active subwoofer, every musical performance takes a giant leap into sonic balance with a perfect blend of highs, mids, and extended lows.

The Most Powerful Subwoofer Yet

Sound reinforcement needs can change night to night, but the best in the business rely on consistent, reliable power whenever it’s needed. The TS12S is Alto Professional’s most powerful subwoofer to date, boasting an incredible 2500 watts to bring concert halls to life, energize nightclubs, fill houses of worship with instruments, and much more. Thanks to its highly efficient Class-D amplifier, the TS12S adds the necessary weight to any public performance for a balanced presentation of musical artistry in any environment.

Carefully Built for Quality Performance

A building is only as good as its foundation, and the same goes for your sound. The TS12S subwoofer is built for reliable durability to be the anchor of your setup and sound. Crafted from premium materials, it features a high-quality, internally braced composite enclosure for tight, controlled sound.

Enjoy full sound without unnecessary rattling or buzzing. The key to bass is clear definition for effective sound transmission, and a carefully crafted enclosure ensures truly uncolored sound reproduction. With its premium 12-inch driver and 3-inch voice coil, the TS12S subwoofer is built for tough live use—whether permanently installed or part of a mobile rig, night after night.

A Subwoofer for Every Environment

What good is a subwoofer if it doesn’t blend with the rest of your speaker system? The TS12S is designed and engineered to integrate seamlessly into any setup thanks to versatile onboard electronic switches. Quickly toggle user-selectable EQ settings to activate, boost, or bypass low-frequency emphasis depending on the demands of different shows.

Use the intuitive phase alignment feature as needed to ensure your tops and subwoofers work well together regardless of settings or setup. Dedicated input and output channels allow you to connect your Alto Professional full-range speakers or other standard speakers seamlessly.

Extremely Robust - Easy to Mount

With Pronomic spacer rods, you can mount tops directly on subwoofers at the correct height. Almost all subwoofers already feature a compatible mount. Depending on the version, the spacer rods screw on with an M20 thread or simply slide on with the 35mm end.

Alto TS 12S: Powerful 12-Inch Active Subwoofer!

Features

Active Subwoofer

  • Power: 2500 W Peak
  • Speaker Configuration: 12" Woofer
  • Frequency Response (-3 dB): 44 - 140 Hz
  • Frequency Range (-10 dB): 38 - 152 Hz
  • Maximum Sound Pressure Level: 130 dB (@ 1 m)
  • Volume Control
  • Limiter with LED
  • Switch for DSP Output Mode with LED
  • Phase Inversion Switch
  • Power Switch with LED
  • Electronic Clip, Thermal, and Converter Overload Protection Circuit
  • Internally Braced MDF Enclosure
  • Integrated Speaker Stand Flange: 36 mm

Dimensions

  • Dimensions (H x W x D): 455 x 460 x 506 mm
  • Weight: 25.9 kg
  • Color: Black

Input/Output

  • Inputs: 2 x XLR + 6.35 mm
  • Outputs: 2 x XLR

Spacer Rod

  • Steel Spacer Rod
  • For Mounting Tops on Subwoofers
  • Simple Plug-In Version with Flange
  • Speaker Flange Diameter: 35 mm
  • Height Adjustable from 80-137 cm
  • Locking Pin with Fixing Screw
  • Max Load Capacity: 40 kg
  • Weight: 1.4 kg
  • Color: Black

Scope of delivery

  • 1 x Alto TS 12S Active Subwoofer 12"
  • 1 x Spacer Rod

Specification

  • Product number 00099373
  • Power RMS (Watts) 1250
  • Wheels included Nein
  • Outputs XLR
  • Stand mount flange 35mm Flansch
  • Inputs 6.3mm Klinke, XLR
  • Subwoofers 1x 12 Zoll
  • Colour Schwarz
  • Weight in kg 25,9

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