Alto TX412B | 12-in 120 dB

Battery-Powered Bluetooth PA Speaker for Performers On the Go

The Alto TX412B delivers exceptional sound in a portable, battery-powered design—perfect for buskers, DJs, instructors, and event hosts who need reliable audio without needing a wall outlet. With up to 7 hours of playback, 600 watts of Class D power, and Bluetooth™ TWS streaming, it’s the all-in-one, cable-free PA system you’ve been waiting for.

Alto TX412B Competitive Differences

• 600W total output (300W LF + 300W HF) from a high-efficiency Class D amplifier
• 12-inch woofer with 2-inch voice coil for rich low-frequency clarity
• Battery-powered operation with up to 7 hours of continuous use
• Bluetooth™ streaming and TWS stereo linking for wireless system flexibility
• Built-in 2-channel mixer supports mic, line, and Bluetooth inputs simultaneously
• Contour EQ switch boosts low and high frequencies for enhanced playback
• Lightweight and portable with integrated carry handle and rugged construction
• Full metal grille and splatter-resistant finish ensure long-term durability
• Flexible placement options with pole mount and monitor wedge angle design

Alto TX412B Description

The TX412B from Alto Professional redefines convenience in portable sound systems. With no power outlet required, this battery-operated speaker is tailor-made for outdoor events, street performances, mobile fitness sessions, or pop-up presentations. Its 600-watt Class D amplifier powers a 12" woofer and 1" compression driver to deliver full-range audio that’s both loud and clear. Bluetooth™ streaming lets you play music directly from your phone, while TWS (True Wireless Stereo) allows for dual-speaker wireless pairing—no cables needed. The integrated 2-channel mixer makes it easy to run vocals and backing tracks simultaneously, making it ideal for solo performers, MCs, or any presenter who needs flexibility without complication. Whether mounted on a pole or placed as a floor wedge, the TX412B adapts to your environment. Its rugged cabinet, full metal grille, and lightweight design ensure it’s as road-ready as you are.

TX412B Features

• 600W total power (300W LF + 300W HF), ultra-efficient Class D design
• Up to 7 hours of playback on a single battery charge
• 12” woofer with 2” voice coil and 1” titanium HF driver
• Bluetooth™ audio streaming and True Wireless Stereo (TWS) speaker linking
• 2-channel mixer supports mic, line-level, and Bluetooth inputs
• Contour EQ switch enhances low and high frequencies for music applications
• Mix Output for linking to additional powered speakers
• Rugged construction with full metal grille and protective splatter-spray finish
• Monitor wedge angle and standard 36mm pole mount socket for flexible placement

TX412B Specifications

• Amplifier: 600W Class D (300W LF + 300W HF)
• LF Driver: 12" woofer with 2" voice coil
• HF Driver: 1" titanium diaphragm compression driver
• Coverage: 90° horizontal x 60° vertical
• Inputs: (2) XLR/1/4” combo jacks (mic/line + Bluetooth)
• Outputs: (1) Mix Output (XLR)
• Playback Time: Up to 7 hours battery-powered
• Cabinet: Lightweight, braced MDF with metal grille
• Mounting: 36mm pole socket and monitor wedge angle
• Design: Tuned in the USA with durable, portable construction

The Alto TX412B offers unmatched freedom for musicians and event hosts who need pro audio without power limitations. Go wireless. Go anywhere. Sound incredible.