Alto Professional TrueSonic 4 TS412 2500 Watt 12" Powered Loudspeaker with Bluetooth

Where TS3 exceeded expectations, TS4 redefined them completely.

Building on the legacy of Alto Professional's 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 equal measure of 2500W of class-leading power and clarity.

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.

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 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 quickly.

The True Wireless Stereo function allows you to stream Bluetooth audio to two TS4 speakers in perfect stereo without cables.

Alto Professional TrueSonic 4 TS412 2500 Watt 12" Powered Loudspeaker with Bluetooth features:

• 2500 W peak (1600 LF + 900 HF) 1250 W continuous RMS (800 LF + 450 HF)
• FREE Alto App (iOS/Android) for remote configuration and control
• Bluetooth® audio streaming directly from the device
• On-board DSP with 4 Speaker Use modes (inc. Custom EQ via App)
• True Wireless Stereo speaker linking via Bluetooth®
• Integrated 3-channel mixer with dual XLR ¼-inch combo inputs, mic/line switches, and independent level controls
• XLR Mix output, Speaker Use, and Sub Size Controls
• 12" driver, 2.5" (63 mm) high-temperature voice coil
• 1" exit ceramic driver with 1.4" (35 mm) coil
• Lightweight enclosure for easy transport, setup, and installation
• Versatile design - pole-mountable, wedge monitor or flown application with integral M10 suspension points
• Powerful and efficient class D amplifiers with fanless cooling design to run cleaner, quieter, and with greater long-term reliability
• Designed and tuned in the USA

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: 135 dB (peak), 132 dB (continuous) (dB-SPL @ 1 m)
• Frequency Response: 44 Hz – 20 kHz (+/- 3 dB)
• Frequency Range: 33 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 T15AL AC250V; 220-240V T6.3AL 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 with integral M10 suspension points, or in a wedge monitor position
• Operating Temperature: -10°C to 45°C (14°F to 113°F)
• Dimensions: (height x width x depth) 23.9” x 13.9” x 13.8” / 606.5 x 353.5 x 350.5 mm
• Weight: 33.0 lbs. / 15 kg