ALTO TS415

Alto Professional TS415 – 15” Powered PA Speaker

Alto Professional TS415 Building on the TrueSonic legacy, the Alto Professional TS415 delivers massive output, crystal-clear highs, and powerful low-end performance in a lightweight yet rugged enclosure.

Ideal for large venues, DJs, live bands, and outdoor events.

TrueSonic Power

Featuring a 15” woofer and 1.4” compression driver, TS415 provides:

• 2500W peak power (1600W LF + 900W HF)
• 1250W RMS continuous
• 135 dB peak SPL
• 44 Hz – 20 kHz frequency response (+/-3 dB)
• 33 Hz – 20 kHz frequency range (-10 dB)

Room-shaking bass with detailed and articulate highs.

FREE Alto App Control

Remote control via the Alto App (iOS & Android):

• Bluetooth level control
• Speaker Use modes
• Custom EQ
• Sub size selection
• True Wireless Stereo configuration

Save your EQ presets directly to the speaker for quick recall.

Built-In 3-Channel Mixer

• 2 × XLR/TRS Mic/Line combo inputs
• 1 × Dedicated Bluetooth channel

Connect microphones, instruments, or line-level devices directly — no external mixer required.

Bluetooth Streaming & Speaker Linking

Stream wirelessly from any Bluetooth device.

Link two TS4 speakers in true stereo without cables using True Wireless Stereo.

DSP Speaker Modes

Three preset “Speaker Use” modes optimize sound for different applications.

Fine-tune your system using Custom EQ via the Alto App.

Versatile & Road-Ready

• Fanless Class D amplifier
• Durable molded enclosure
• 36 mm pole mount socket
• M10 suspension points
• Wedge monitor positioning

Built for reliability in mobile gigs or fixed installations.

Technical Specifications

Output Power: 2500W peak / 1250W RMS

LF Driver: 15” with 2.5” voice coil

HF Driver: 1” exit, 1.4” coil

Crossover: 2 kHz

Max SPL: 135 dB peak / 132 dB continuous

Frequency Range: 33 Hz – 20 kHz (-10 dB)

Coverage: 90° × 60°

Inputs: 2 × XLR/TRS combo

Output: 1 × XLR link

USB Charging: 5V 2.1A

Dimensions: 643 × 417.5 × 402 mm

Weight: 17.2 kg