The hotline is currently not manned. You can reach us again on Friday, 22.05.2026 at 09:30.
Louder. Clearer. Smarter!
Where the TS3 series exceeded expectations, the TS4 completely redefines them. The TS4 series builds on the legacy of the best-selling TrueSonic speakers, delivering more power, clearer sound, and enhanced Bluetooth® features like streaming, speaker linking, and app control. The new TS4 series is compact, lightweight, and designed for reliability, making it easy to deliver great live sound at any event.
True Sonic Power
Whether you need powerful vocal reinforcement or club-shaking bass for a DJ set, the TS4 speakers deliver loud, clear, room-filling sound for any application. Featuring an 8" woofer and a 1.4" compression driver, the TS408 offers class-leading power and clarity with 2000 watts.
Free Alto App for Remote Configuration and Control
The free Alto app, available for both Android and iOS, provides convenient remote control of Bluetooth® levels, speaker usage modes, custom EQ, and subwoofer size selection. Plus, the True Wireless Stereo connection can be configured via the app to save setup time.
Built-In 3-Channel Mixer
Each TS4 features an integrated 3-channel mixer with two mic/line input channels and a dedicated Bluetooth® channel. The mic/line channels have XLR/TRS combo jacks and can handle microphones, instruments, and line-level signals without extra hardware or settings. Just plug in at the rear and you’re ready to go.
Easy Bluetooth® Streaming and Speaker Linking
The TS4 is the ideal high-power streaming solution. Thanks to built-in Bluetooth® connectivity, you can easily pair your laptop, phone, or tablet and enjoy music in no time. With True Wireless Stereo, you can wirelessly transmit Bluetooth® audio signals in perfect stereo to two TS4 speakers—no cables needed.
DSP Modes for Optimal Sound in Any Setting
With the TS4’s three preset "Speaker Use" modes, you can optimize the speaker for any application, ensuring great sound at the push of a button. For even more control over your tone, you can configure a custom EQ in the Alto app and remotely adjust settings from anywhere in the venue. You can even save your preferred custom EQ directly on the TS4 for quick recall.
Versatile and Reliable
From premium drivers to fanless Class-D amplifiers, every aspect of the TS4 series is engineered for maximum reliability—whether for mobile gigs, performances, or permanent installations. Each speaker features a lightweight, sleek black-box design that can be used freestanding, as a wedge monitor, on a stand, or flown via integrated M6 rigging points.
Level up your live sound!
Features
- 2000 Watts for Powerful Performance
- Alto App (iOS/Android) for Remote Configuration and Control
- Bluetooth Audio Streaming Directly from the Unit
- Built-in DSP with 4 Speaker Usage Modes (including Custom EQ via App)
- True Wireless Stereo Speaker Linking via Bluetooth
- Integrated 3-Channel Mixer with Two XLR-TRS Combo Inputs, Mic/Line Switch, and Independent Level Controls
- XLR Mix Output, Controls for Speaker Use and Sub Size
- 8" Woofer with 2.0" High-Temperature Voice Coil
- 1" Tweeter with 1.4" Voice Coil
- Lightweight Enclosure for Easy Transport, Setup, and Installation
- Versatile Design – Stand Mount, Floor Monitor, or Flown Application with Integrated M6 Rigging Points
- Powerful and Efficient Fanless Class-D Amplifiers for Cleaner, Quieter Operation and Greater Long-Term Reliability
- Designed in the USA
Technical Specifications
- Output Power: 2000 Watts
- Woofer: 8.0" Driver, 2.0" (50 mm) High-Temperature Voice Coil. 1x 650 W RMS @ 2 Ohms
- Tweeter: 1.0" Exit Ceramic Driver with 1.4" (35 mm) Voice Coil. 1x 350 W @ 4 Ohms
- Crossover Frequency: 2 kHz
- Maximum Sound Pressure Level: 130 dB (Peak), 127 dB (Continuous) (dB SPL @ 1 m)
- Frequency Range: 52 Hz – 20 kHz (-10 dB)
- Coverage Angle: 90° Horizontal x 60° Vertical (Nominal)
- Connections: 2x XLR/TRS Combo Inputs (Balanced), 1x XLR Output (Left), 1x IEC Power Cable Input
- Input Impedance Line: 10 kOhm Balanced, 20 kOhm Unbalanced, Mic: 1.2 kOhm
- Line Gain/Volume Control Range: -8 to 0 dB, +4 dBu Nominal, +10 dBu Maximum Output
- Mic/Instrument Gain/Volume Control: -8 to +50 dB
- USB Charging Port: 5V 2.1 A
- Controls:
- Power Switch
- 2x Gain Controls
- 2x Mic/Line Switches
- Bluetooth Volume Control
- Pairing Button
- Stereo Link Button
- Sub Size Button
- Speaker Use Button - Indicators: Input Channel Signal/Limiter/Clip LED (Green = Signal) (Yellow = Limiter) (Red = Clipping)
- Bluetooth LED (Blue)
- Link LED (Orange)
- 4x DSP Presets LED (Green)
- 3x Sub Size LED (Green) - Power Connection: IEC
- Voltage: 100-120V, 50/60Hz; 220-240V, 50-60Hz
- Power Consumption: 900 Watts
- Fuse: 100-120V T10AL AC250V; 220-240V T5AL AC250V
- Protection: Electronic Clip, Thermal Protection, and Driver Overload Protection
- Enclosure: Injection-Molded Cabinet and Perforated Metal Grill
- Mounting/Installation: Standard 36 mm Speaker Flange, Flown Application, Hung via Integrated M6 Points or as Wedge Monitor
- Operating Temperature: -10 °C to 45 °C
- Dimensions (HxWxD): 436 x 256 x 245 mm
- Weight: 9.4 kg
Scope of delivery
- 1 x Alto TS408 Active Speaker
- 1 x Power Cable
- 1 x Software Download Card
Suitable accessories (Not included in the delivery.)
Specification
- Product number 00089715
- Colour Black
- Power RMS (Watts) 2000
- Tweeters 1 Zoll
- Outputs XLR
- Weight in kg 9,4
- Speakers mid range -
- Inputs 6.3mm Klinke, Bluetooth, XLR
- Microphone input Yes, without phantom power
- Subwoofers 8 Zoll
- Speakers full range -
- Multifunctional chassis Yes
Reviews
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A verification of the ratings has taken place as follows: Only customers who are registered in our online store and have actually purchased the product from us can submit a rating for the item in the customer account.
Variant Alto TS412
This rating has been translated automatically. Original language
The sound very good. Clear recommendation
Questions about product
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Financing
easyCredit Ratenkauf
- 2 to 60 months term
- Financing from 22,00 € / month
- More information about installment purchase
ConsorsFinanz Finanzierung
- 6 to 72 months term
- 0% financing for 24,58 € per month
- More information on financing
| Operating instructions / manual |
| 3 Year warranty | |
| 30 Day Money Back | |
| Price Match Guarantee | |
| Over 2.000.000 satisfied customers |
The hotline is currently not manned. You can reach us again on Friday, 22.05.2026 at 09:30.
| Friday | 09:30 - 18:00 | |
| Saturday | 09:30 - 13:30 | |
| Monday | Closed |
Different opening times |
| Tuesday | 09:30 - 18:00 | |
| Wednesday | 09:30 - 18:00 | |
| Thursday | 09:30 - 18:00 |











