Roland CUBE-ST-EX Overview The CUBE Street EX from Roland is a compact, battery-powered portable amplifier/speaker combo that infuses the already popular mobile amp line with a performance upgrade that delivers extended projection, more channels, and enhanced versatility. Fifty watts of power and a stereo speaker system with dual woofers and tweeters provide clean sound for reaching larger crowds, while four independent channels offer connections for a variety of microphones and instruments. Sound adjustment is available with separate EQ and reverb controls, and guitar tones can be dialed in easily with the onboard COSM amplifier simulations. Selectable power modes provide up to twenty hours of operation with eight AA batteries, while two units can be linked together for more sound coverage if needed. And with i-CUBE Link, an iPhone or iPad can be connected to play backing music and record the performances. Innovative technology provides fifty watts of stereo power from eight AA-size batteries Selectable output power modes to optimize battery life for different performing situations Portable, lightweight design with durable ABS injection-molded cabinet Full-range stereo sound with dual 8" woofers and 2" tweeters Four independent channels for connecting a variety of microphones, instruments, and audio devices Two XLR microphone inputs allow two vocalists to perform simultaneously COSM tones for electric guitar, including clean, crunch, and lead Preamp for acoustic guitar provides clean, natural sound Angled back for use as a stage monitor Mounting hole for use with optional ST-A95 speaker stand Stereo line out jacks for connecting to an external sound system when used as a stage monitor Stereo link jacks to connect a second CUBE Street EX for broader sound coverage Easy recording into an iPhone/iPad via i-CUBE Link and free CUBE Jam app Optional CB-CS2 Carrying Case made with water-repellent material