Bose Professional FreeSpace IZA 2120-HZ, Mixing Amplifier, Power: 2x 120 W @ 70/100V, 1x 3.5 mm Jack input, 2x RCA (L/R) input, Master control, Tone control (treble/bass), RCA (L/R) Aux output, 2 Stereo binding posts for speakers, EQ for FreeSpace 3 systems / FS3 subwoofers / FS2 / FS4 / DesignMax DM2, Dimensions (H x W x D): 44 x 483 x 324 mm, Weight: 4.1 kg