1 Year Limited 1.26 lb 2.10" Height x 4.30" Width x 5.80" Depth 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, ultrastable pots and high-quality jacks 9VDC powered with either 9V alkaline battery or optional PAD-1 AC/DC external adapter FCC MM-141 is one of the finest mini mixers on the market today. This unit was developed using the expertise of professional sound engineers and working musicians. You will find that your new NADY MM-141 has superior performance and greater flexibility than any other mini mixers in its price range. Audio Mixer MM-141 MM-141 4-Channel Mini Mixer Nady Nady System, Inc www.nady.com