Break free from power constraints with the Alto TX412B, a battery-powered PA speaker that puts professional sound quality in the hands of mobile performers and buskers. This compact powerhouse combines 600 watts of ultra-efficient Class-D amplification with up to 10 hours of battery life, ensuring your performances continue long after traditional speakers would fall silent. The rugged, lightweight construction features an integrated carry handle and protective metal grille, making it ideal for street performances, outdoor events, and mobile setups that demand reliability on the road.
At the heart of the TX412B lies a 12-inch (304.8 mm) low-frequency driver with 2-inch (51 mm) voice coil, paired with a 1-inch (25.4 mm) titanium diaphragm high-frequency compression driver. The wide-dispersion 90° x 60° horns provide even sound coverage across small venues and expansive outdoor spaces, while the impressive volume and clarity make this speaker perfect for demanding performance environments.
Connectivity options include Bluetooth™ streaming from your favourite apps, plus a built-in 2-channel mixer supporting microphone, line level, and Bluetooth™ inputs for flexible routing. The TX412B also supports Bluetooth™ TWS for wireless stereo linking, allowing you to expand your sound system without cables. This durable, road-ready speaker adapts to any configuration, functioning equally well as a pole-mounted main speaker or floor wedge monitor.
- 600W ultra-efficient Class-D amplification (300W LF + 300W HF)
- Up to 10 hours of battery-powered playback
- 12-inch (304.8 mm) LF driver with 2-inch (51 mm) voice coil
- 1-inch (25.4 mm) titanium diaphragm HF compression driver
- 90° x 60° wide-dispersion horns for optimum coverage
- Built-in 2-channel mixer for microphone, line level, and Bluetooth™ inputs
- Bluetooth™ streaming from your favourite music apps
- Bluetooth™ TWS wireless stereo speaker linking
- Mix output for linking multiple speakers
- Contour EQ for music playback applications
- Full metal grille for premium style and protection
- Lightweight, compact design with top carry handle
- Standard speaker pole socket and monitor angle configurations
- Designed and tuned in the USA



