Detailed Product Description Digital effects processor, good value for money!pro sound equipment, signal processor, professional audio sound digital processor, sound box, pa system.1. Input jack: 1/4" TRS, XLR2. Input impedance: balanced: 40K ohm3. unbalanced: 20K ohm4. Output jack: TRS jack5. Input level: ≤+4 dB6. Output impedance: balanced: 102K ohm unbalanced: 51K ohm7. Freq Response: 20Hz- ...