Blue Aura - V30 - Vacuum Tube Amplifier System Blue Aura - V30 - Vacuum Tube Amplifier System Includes: Amplifier, 2 Passive WS30 Speakers, 2 Rubber Stands, and Remote Control The v30 has two 20W vacuum tube amplifiers, but it's the striking beauty of the v30 itself that adds a designer touch to any room. Weighing in at over 7.5 pounds, the amplifier has a frequency response of 20Hz - 20kHz +/- 1.5dB Amplifier Size: 5 1/2" x 10" x 7 7/8"