Alto TS18S

2500W 18 in

$799.00

High-Powered 18-Inch Subwoofer for Deep, Controlled Bass in Live Sound

The Alto TS18S is the most powerful subwoofer in Alto’s lineup, delivering a thunderous 2500 watts of peak power through an 18” driver with a 3” high-temp voice coil. Built for mobile DJs, live performers, and fixed installations, the TS18S adds exceptional low-end clarity and punch to any PA system, ensuring a full-frequency listening experience across all performance spaces.

Alto TS18S Competitive Differences

  • 2500W peak Class D amplification for consistent, high-output performance
  • 18” woofer with 3” voice coil for extended low-end response and high SPL handling
  • Frequency response: 35 Hz – 100 Hz (-3 dB), extended range down to 27 Hz (-10 dB)
  • Max SPL: 137 dB for deep, clean bass at high volumes
  • Selectable DSP EQ presets: Off, Live, DJ for application-based tuning
  • Phase alignment selector: 0°, 90°, 180°, 270°
  • Durable, internally-braced MDF cabinet with mark-resistant splatter-spray finish
  • Built-in 36 mm pole socket and caster insert support
  • Advanced protection circuitry: clip, thermal, and overdrive protection

Alto TS18S Description

Designed to deliver a commanding low-end experience, the Alto TS18S sets a new standard in powered subwoofer performance. Its massive 18-inch woofer reproduces sub-bass with authority, while advanced DSP controls give users the flexibility to tailor the output to suit a variety of environments—from packed clubs and concert halls to worship venues and event spaces. This subwoofer is engineered with a front-ported, internally braced MDF cabinet to ensure accurate bass reproduction with minimal cabinet resonance. With its DSP-tunable EQ modes (Off, Live, DJ) and multi-position phase selector, the TS18S is easily integrated into any professional sound system—whether used alone or in multiples. Built for gigging professionals, the TS18S offers a mark-resistant finish, robust structural design, and a high SPL output that doesn't sacrifice clarity. Whether it’s thumping club beats or the foundation of a live rock mix, this sub delivers.

Alto TS18S Features

  • 2500W peak output via Class D amplifier
  • 18” woofer with 3” high-temperature voice coil for tight low-end
  • Frequency response: 35 Hz – 100 Hz (-3 dB)
  • Extended frequency range down to 27 Hz (-10 dB)
  • Maximum SPL: 137 dB @ 1m
  • 3 DSP EQ tunings: Off, Live, DJ
  • Phase switch: 0°, 90°, 180°, 270°
  • 2 x XLR/1/4” combo inputs; 2 x XLR thru outputs
  • Volume control with LED indicators for signal/clip
  • Internally-braced MDF enclosure with 36 mm pole socket
  • Caster insert thread: M6 x 1.00 mm
  • IEC power connection with universal voltage (100–240V)
  • Electronic protections: clip, thermal, and transducer overdrive

Alto TS18S Specifications

  • Output Power: 2500W peak @ 4Ω
  • Woofer: 18” (457 mm), 3” (76.2 mm) voice coil
  • Frequency Response (-3 dB): 35 Hz – 100 Hz
  • Frequency Range (-10 dB): 27 Hz – 111 Hz
  • Maximum SPL: 137 dB
  • Inputs: 2 x XLR+1/4” combo
  • Outputs: 2 x XLR thru
  • Power Connection: IEC cable input
  • Voltage: 100–120V / 220–240V AC, 50/60 Hz
  • Power Consumption: 1600W
  • Fuse: T15AL (120V), T8AL (240V)
  • Cabinet: Internally-braced MDF, mark-resistant finish
  • 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 lbs (42.2 kg)

Experience foundation-shaking bass and industry-leading reliability with the Alto TS18S—your new subwoofer workhorse for every professional sound setup.

ALTO TS18S (Alto TS-18S)

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DJ & AUDIO > Speakers & Subs > Powered Subwoofers
UPC: 0816311012126
Brand: Alto

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