Rated superb by Ultimate Guitar!!! $350 used online. Meet the MICRO CUBE RX — small, loud, proud, and in true stereo! These little amps overachieve with serious bombast in a small body. You won’t believe how much these little amps can deliver through their stereo power amps and newly developed custom speakers, four per RX. The Roland MICRO CUBE RX compact guitar amplifier packs a modeling guitar amp into a battery-powered or AC powered package! The ultra-portable, lightweight MICRO CUBE RX includes onboard stereo power amps, four 4" speakers, eight COSM amp models, six digital effects, and a built-in chromatic tuner. There's also a Rhythm Guide function for effective rhythm training, an auxiliary input for playing along with your MP3 or CD player, and even a headphone out that doubles as a direct recording output on the MICRO CUBE RX. Highlights: Four 4" Drivers Dual 2.5W Power Amps Portable Design Battery or AC Power COSM Amps and Digital Effects Recording Output 1/4" I/O Connectors Features: The MICRO CUBE RX from Roland is a professional-quality guitar amplifier that packs a surprising number of features into its compact body. Designed for portability and power, the cabinet houses four 4" drivers and two 2.5W power amplifiers to provide a strong performance. The amplifier provides great connectivity options, with a 1/4" guitar input jack, a 1/4" pedal jack for adding an effect or control pedal, and 3.5mm and 1/4" AUX inputs for connecting CD players or other devices. A stereo 1/4" output lets you connect a pair of headphones or a recording device for practicing or saving your work. Other terrific options include eight different COSM amplifier models for creating customized sounds, as well as a three-band EQ and a variety of digital effects. A built-in metronome does more than just keep tempo. It has a rhythm guide that provides a variety of rhythms and patterns to jam with. Compact and portable design. The dual-purpose Phones/Recording output allows you to plug-in a set of headphones for private practice sessions, or connect directly into a stereo mixer or recording device for accurate and simple signal transfer directly from the MICRO CUBE RX. Four 4" drivers Dual 2.5W power amplifiers Full connectivity options with a guitar input, pedal input, two AUX inputs, and a recorder/headphone output Operates on AC power or six AA batteries Eight COSM amp models to choose from Built-in digital effects include chorus, delay, reverb, flanger, phaser, and more Three-band EQ with easy-to-use control knobs Built-in metronome and rhythm guide provide tempo and rhythm patterns to play along with Compact enclosure with carrying strap The Roland MICRO CUBE RX amp sounds incredible and goes anywhere!