SKU: 89327618508

Alto Professional TS412 2500 Watt 12in 2-Way Powered Loudspeaker

Sale price$179.55 Regular price$199.50
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Ships within 48 hours · Estimated delivery Aug 21 - Aug 26

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Description

Alto Professional TS412 2500 Watt 12in 2-Way Powered LoudspeakerDESCRIPTION Louder. Clearer. Smarter. Where TS3 exceeded expectations, TS4 redefines them completely. Building on the legacy of our best selling TrueSonic speakers, the TS4 Series delivers increased power, clearer sound, and advanced Bluetooth functions including streaming, speaker linking, and App control. Compact, lightweight, and designed for reliability, the new TS4 Series makes it simple to get great live sound at every event. True Sonic Power

DESCRIPTION 

Louder. Clearer. Smarter.

Where TS3 exceeded expectations, TS4 redefines them completely.

Building on the legacy of our best-selling TrueSonic speakers, the TS4 Series delivers increased power, clearer sound, and advanced Bluetooth functions including streaming, speaker linking, and App control.

Compact, lightweight, and designed for reliability, the new TS4 Series makes it simple to get great live sound at every event.

True Sonic Power

Whether you need a powerful vocal PA or club-shaking bass performance for a DJ set, TS4 speakers deliver loud, clear, room-filling sound for any application.

With a 12-inch woofer, and a 1.4-inch compression driver, TS412 delivers 2500W of class-leading power and clarity in equal measure.

FREE Alto App for remote configuration and control

Available free for both Android and iOS, the Alto App gives hands-on remote control over Bluetooth levels, Speaker Use Modes, Custom EQ and Sub Size selection.  Further, True Wireless Stereo linking can be configured remotely via the app to save time during setup. Download for Android Download for iOS

Built-In 3-channel mixer

Every TS4 features an integrated 3-channel mixer, with two Mic/Line input channels and a dedicated Bluetooth channel. The Mic/Line channels feature XLR/TRS combo jacks and can be used with microphones, instruments, and line-level signals without the need for additional hardware or adjustment. Just plug straight into the rear panel and you’re up and running.

Simple Bluetooth Streaming & Speaker Linking

The ideal high-powered streaming solution, TS4’s built-in Bluetooth connectivity makes it easy to pair your laptop, phone or tablet and get the music pumping in no time at all.

With the True Wireless Stereo function you can stream Bluetooth audio to two TS4 speakers in perfect stereo without the need for any cables.

DSP Modes for the best sound in every application

TS4’s three preset “Speaker Use” modes let you optimize the speaker for any application, so you’ll get great sound every time at the touch of a button. For even more control over your sound, you can configure a Custom EQ within the Alto App and remote adjust the settings from any listening point in the venue. You can even save your favorite Custom EQ setting direct to the TS4 for easy recall whenever you need it.

Versatile and Reliable

From the high-quality drivers to the fanless class D amplifiers, every aspect of the TS4 Series has been designed for superb reliability, whether used for mobile gigs and performances or fixed installation.

Each speaker features a lightweight, sleek, black box design that can be used as the application demands - freestanding, as a wedge monitor, pole-mounted or suspended via the integrated suspension points.

SPECIFICATIONS 
  • Output Power: 2500 W peak (1600 LF + 900 HF) 1250 W continuous RMS (800 LF + 450 HF)
  • Low-Frequency Driver: 12.0” driver, 2.5” (63 mm) high-temperature voice coil. 1 x 800 W RMS @ 2 Ω.
  • High-Frequency Driver: 1.0” exit ceramic driver with 1.4” (35 mm) coil. 1 x 450 W @ 4 Ω.
  • Crossover Frequency: 2 kHz
  • Maximum SPL: 132 dB (peak), 129 dB (continuous) (dB-SPL @ 1 m)
  • Frequency Response: 53 Hz – 20 kHz (+/-3 dB)
  • Frequency Range: 44 Hz – 20 kHz (-10 dB)
  • Horn Coverage: 90° horizontal x 60° vertical (nominal)
  • Connectors: (2) XLR+1/4” (6.35 mm) TRS combo inputs (Balanced), (1) XLR output (Link), (1) IEC power cable input
  • Input Impedance Line: 10 KΩ balanced, 20 KΩ unbalanced, Mic: 1.2K
  • Line Gain/Volume Control Range: -∞ to 0 dB, +4 dBu nominal, +10 dBu for max output
  • Mic/Inst. Gain/Volume Control Range: -∞ to +50 dB
  • USB Charging Port: 5V 2.1A
  • Controls: Power switch, (2) gain control knobs (1 per input), (2) Mic/Line switches, Bluetooth volume control encoder, Pairing button, Stereo Link button, Sub Size button, Speaker Use button
  • Indicators: (1) Input Channel Signal/Limit/Clip LED (Green = Ch1/2 Signal) (Yellow = Ch1/2 Limiter) (Red = Ch1/2 Output Clipped), (1) Bluetooth LED (Blue), (1) Link LED (Orange), (4) DSP Presets LED (Green), (3) HPF LED (Green)
  • Power Connection: IEC
  • Voltage: 100-120V, 50/60Hz; 220-240V, 50-60Hz
  • Consumption: 1100W
  • Fuse: 100-120V T10AL AC250V; 220-240V T5AL AC250V
  • Protection: Electronic clip, thermal, and transducer overdrive protection
  • Enclosure: Injected Molded Enclosure and Perforated Metal Grille
  • Mounting/Installation: Standard 36 mm pole socket, flown application, suspended with integral M6 points, or in a wedge monitor position
  • Operating Temperature: -10°C to 45°C (14°F to 113°F)
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 89327618508

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Kat and Cain
Bozeman, US
★★★★★ 5
Great
Works great, as long as you don’t lean of one edge too much
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Reviewed in the United States on May 18, 2026
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77' Granada
Fort Morgan, US
★★★★★ 5
Good roller
Sturdy and strong. Rolls smooth. I used it to put down sound deadener in my classic car. Sometimes you think cheap is cheap but this is a good one.
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Reviewed in the United States on April 12, 2026
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shirley durham
Bozeman, US
★★★★★ 5
Great value great quality.
Very good quality made and very good price.
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Reviewed in the United States on May 26, 2026
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Kev
Cuba, US
★★★★★ 5
Makes For Quiet Rides
Model: 10 SqFt(0.95 SqM)
Comparable quality and performance to name brand competitor. It sticks on strong, easy to apply, and does make a difference in sound reduction. Turn your hollow shell sounding vehicle panels into solid sounding walls.
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Reviewed in the United States on March 15, 2026
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Troy Amhaz
Louisville, US
★★★★★ 5
Must for subwoofers. True 2mm spec. High quality.
Model: 36 SqFt(3.4 SqM), Model: 36 SqFt(3.4 SqM)
Let me start of by saying WOW! This made a huge difference in the SQ of my L7S pushing 930w rms. Before I had major rattles in my 2020 Honda Civic SI. Taking the time to do this to my trunk and Lid made me realize just how loud my subwoofer actually is. It literally eliminated the rattles throughout my whole car. I still plan on doing this to my doors and rear deck but once I upgrade the speakers. I still have half of the box just doing the trunk and lid so 1 box of 36sf will be enough for most of the areas that need to get done. You may need a little more overall. This is true 2mm spec. Very sticky and easy to apply. It just take time to finish the work correctly and roll it down. It is not as heavy as I thought it was going to be. The size of the sheets are perfect for what you need to do. The value is on point for the quality. It does not rip very easily but you can cut it to size without any problems. Again, This is a must buy for anyone who is pushing 1000w rms or more.
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Reviewed in the United States on November 29, 2025

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