ALESIS MIDIVERB 4 ADVANCED 18 BIT FULLY INTEGRATED EXTENDED RANGE SIGNAL PROCESSOR. LIKE NEW IN BOX. LIGHTLY USED MAYBE 10 HOURS IF THAT. HERE ARE THE FEATURES: $199.

　　Frequency Response: 20Hz - 20kHz ?? dB.

　　Dynamic Range: >) 90dB.

　　Harmonic Distortion:.01 % common @ 1kHz @ 0dBV.

　　Digital Conversion Scheme: 18-bit Delta Sigma.

　　Processor Speed: 3 million guidelines per second.

　　Testing Frequency: 48kHz.

　　Inputs: 2 channels on 1/4" jacks, Nominal Level +4 dBu, Maximum Level +20 dBV, Impedance 1Mohms per channel in stereo, 500kohms in mono.