Alto Professional TS415 2500 Watt 15 Inch Active Powered Loudspeaker with Stand And Cable (TS 415) Louder. Clearer. Smarter. Where TS3 exceeded expectations, TS4 redefines them completely. Building on the legacy of our 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 15-inch woofer, and a 1.4-inch compression driver, TS415 delivers 2500W of class-leading power and clarity in equal measure. 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. 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 the need for additional hardware or adjustment. 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 in no time at all. DSP Modes for the best sound in every application TS4’s three preset “Speaker Use” modes let you optimize the speaker for any application, so you’ll get great sound every time at the touch of a button.