Alto Professional TS18S 2500-watt 1x18" Powered Subwoofer
SKU: 3604459987

Alto Professional TS18S 2500-watt 1x18" Powered Subwoofer

$1845.00 $2050.00
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Description

Alto Professional TS18S 2500-watt 1x18" Powered Subwoofer2500 WATT POWERED SUBWOOFER WITH A 18 DRIVER 2500W peak power output High efficiency Class D amplifier Transducer: 18 inch driver with 3 inch high temperature voice coil (2) XLR+1 4 inch combo inputs (2) XLR thru outputs for linking User selectable EQ tunings (Off, Live, DJ) Phase Alignment selector switch (0 90 180 270) Rugged, internally braced front ported MDF cabinet with integrated 36 mm pole socket Mark resistant splatter spray finish always

2500-WATT POWERED SUBWOOFER WITH A 18” DRIVER
  • 2500W peak power output
  • High-efficiency Class D amplifier
  • Transducer: 18-inch driver with 3-inch high-temperature voice coil
  • (2) XLR+1/4-inch combo inputs
  • (2) XLR thru outputs for linking
  • User-selectable EQ tunings (Off, Live, DJ)
  • Phase Alignment selector switch (0°/90°/180°/270°)
  • 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

TECH INFORMATION

Output Power: 2500W peak@4Ω

Transducer Low: 18” (457 mm) woofer; 3” (76.2 mm) high-temperature voice coil

Frequency Response: 35 Hz–100 Hz (-3 dB)

Frequency Range: 27 Hz–111 Hz (-10dB)

Maximum SPL: 137 dB (@1 m)

Connections: (2) XLR+1/4” (6.35 mm) inputs; (2) XLR outputs; (1) IEC power cable input

External Controls:  Volume control, signal/clip limiter with LED, speaker use button, proximity button, power switch with LED

Electronic Protections: Electronic clip, thermal and transducer overdrive protection

Enclosure: Internally braced MDF cabinet; 36 mm mounting pole socket on top panel. Caster Insert Thread Gauge: M6 x 1.00mm

Power Connection: Standard IEC cable.

Input Voltage: 100-120, 50/60 Hz; 220-240 VAC 50/60 Hz

Consumption: 1600W

Fuse: 100-120V, T15AL AC250V; 220-240V, T8AL AC250V

Dimensions (height x width x depth): 26.7” x 20.9” x 24.7” / 678.2 x 530.9 x 627.4 mm

Weight: 93.0 lbs / 42.2 kg 

 

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SKU: 3604459987

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4.2 ★★★★★
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Product Reviews
J
Verified Purchase
john
Los Angeles, US
★★★★★ 5
Wonderful work from a great historian
Format: Hardcover
James Holland is a very talented historian and his books on WWII are amazing.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 21, 2026
R
Verified Purchase
Robert and Jessica
Whiting, US
★★★★★ 5
How to capture the import of an entire war by writing on its end
Format: Kindle
The authors seamlessly cover ed the macro and micro accounts of events and participants to capture the stunning and all important end of WWII. I was engaged and stimulated throughout my read of this book and highly recommend it for enthusiasts who are conversant with the war and want a better understanding of its close.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 27, 2025
M
Martin Southard
Boise, US
★★★★★ 4
World War II - The Final Months
Format: Hardcover
The book takes you through the final months of World War II, focusing on eight key moments when the fighting finally came to an end. It’s not just a dry rundown of facts or battle maps — the authors do a great job of bringing the people involved to life, from famous leaders to everyday soldiers and civilians caught in the chaos. What I really liked was how the story moves around the globe, covering Europe, the Pacific, and beyond. It keeps the narrative fresh and exciting, giving a real sense of how the war unfolded on many fronts at once. Sometimes I had to pay close attention to keep up with all the locations and characters, but that only added to the feeling of being caught up in a fast-moving, gripping story rather than a history lesson. What stood out most was how it made me feel the human side of history—the fear, the relief, and the confusion as the war finally ended. It’s full of details, but it never felt boring or too technical.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 19, 2025
C
Verified Purchase
Christian Schlect
Omaha, US
★★★★★ 5
The Fix
Format: Hardcover
An insightful and interesting book on how our country's first legislators try to make sense of the new and fairly short U.S. Constitution, which, being drafted by humans, was bound to be imperfect. A lack of clarity on some point might be due to the changeable nature of words themselves or to confusion or obscurity of thought by the authors. And, who were the authors? The men in the room who came up with the product or the various state conventions that approved the final product? Professor Gienapp writes well and with a fine grasp of his subject. He uses concrete examples to illustrate his main points. For example, Congressional debates over the constitutionality of a proposed federal bank, the ratification of Jay's Treaty, and even whether the Bill of Rights was to be incorporated into or simply added to the original document. Most people think of U.S. constitutional history in terms of its drafting and ratification and/or its later judicial interpretation by the Supreme Court. Here, Professor Gienapp focuses on the initial work of interpretation by the first few sessions of Congress. This book is essential reading for those interested in the U.S. Constitution and the internal architecture of our government. I think those who spend countless hours viewing frenetic talking heads say this or that about the constitutionality of some issue or another (or the nomination of a justice to the High Court) should throw their television set out the window and, instead, settle into a corner chair and calmly read this and other such thoughtful books. This one should win prizes.
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Reviewed in the United States on October 14, 2018
G
Verified Purchase
Gadavis
Lake Worth, US
★★★★★ 5
Excellent Book
Format: Hardcover
Stanford University History Professor Gienapp has done an outstanding job of researching and writing this historical analysis of the interpretation of the American Constitution by America's first Congress. Professor Gienapp analyzes data primarily from Congress's problems interpreting the removable of executive officers, chartering a national bank and approval of the 1794 Treaty with Great Britain negotiated by Chief Justice John Jay, the "Jay Treaty." Gienapp shows in clear writing how Congress used records of the debates at the Constitutional Convention and State Ratification Conventions to resolve these constitutional issues. I highly recommend this book to anyone concerned with the interpretation of the American Constitution.
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Reviewed in the United States on July 18, 2020

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