sv-t640        
function:4band eq & lcd tuner
input impedance:2.2mω  
frequency response:20hz~20khz
control range:
  bass:   ±12db at 60hz    
  middle: ±12db at 500hz  
  treble: ±12db at 3khz  
  presence: ±12db at 10khz  
power supply:9v alkaline battery  
features:lcd tuner system
  balanced and unbalanced output jack
dimension: 89.00mm(w)ⅹ52.00mm(h)  
                 installing dimension: 81.30mm(w)ⅹ51.50mm

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惠州市惠阳区秋长凯铃乐器配件厂
喻雪琴
13352616919
惠州市惠阳区惠州市惠阳区