For Sale is an Audio2000’s Model AKM-7016 Karaoke Echo & Key Mixer; Tested and it works great and is in very nice condition. Power Output: 50W X 50 W (max) (30W X 30W RMS). Music Input Sensitivity: 150mV / 47 KOhms. Output Level: 130mV / 50 KOhms. Response: 25 – 80,000 Hz. Signal-To-Noise Ratio: 95 dB. Dimensions: 16.5″ X 1.3″ X 10. Weight: 13.2 lbs. Digital Echo Control: Vol/Repeat/Delay-time. Two (2) Individual Microphone Volume Controls. Microphone Tone Control (Treble/Bass). Music Balance, Bass, Treble Control. UTAOKE/AFT Voice Auto Control. Two Input Source Selections.