Roland Micro Cube Bass RX B-Stock, Basscombo with Battery Operation, 2 x 2.5 W stereo, 4 x 4"" Speaker (lots of pressure), Stero Mode (For the famous JC-120 chorus, stereo reverb, stereo recording out / stereo headphone operation and MP3 / CD player), 6 x Amp-Modeling (linear super-flat amp for unadulterated bass sound or fretless, Ampeg B-15 combo, Fender Bassman, Trace Elliot stack, Acoustic 360, SWR-Stack and Ampeg-Stack) as well as microphone preamplifiers, 7 x DSP Effect: Chorus / Flanger / Touchwah + Echo / Reverb + Octaver Preamp + Compressor, Tuner, 3-band Equalizer, Rhythm Guide Drum machine with 11 styles (Metronome, Rock 1, Rock 2, Blues, Country, R & B , Ballad, jazz, funk, latin, dance) and three variations as well as tap tempo buttons, Start / Stop and Volume control, Connection for double foot pedal (Rhythm Guide Start / Stop + Tap Tempo), 6 x AA battery with 13 hours of operation (optional), Incl. Power supply and strap, Measurements: 30 x 30 x 21 cm, Weight: 6.4 kg