Features: Four ¼” unbalanced line level inputs with individual volume controls mixed to one ¼” unbalanced output Master Volume control with integrated Power On/Off switch and Power On LED indicator Ultra low distortion, up to 20dB of gain, S/N ratio over 100dB, and a frequency response from 20Hz-20KHz Heavy-duty steel construction with smooth-turn, ultra stable pots and high-quality jacks 9VDC powered with...