KME SD 1, compact ative PA-System DSP powered, containing 1x Subwoofer VSS 28 (2x 8") and 2x VL 3i (2x 3"/1"), Subwoofer with internal D-Class amplifier (1x 400W Bass + 2x 125W Tops), 24 Bit/48 KHz, 123 dB, Line-In XLR, Line-Out XLR, Digital in and output, dimensions: 500 x 250 x 600, weight 22 Kg, 2x VL3 Top with 125 W RMS, NL 4 Speakon inputs, dimensions: 125 x 215 x 175, weight 2 Kg, incl. Adapter forr mounting on microphone stands, it's possible to use 4 Tops with no need of additional amps