RepalceableOPA2604PreampS5532￥486.60去看看ZY4 Flagship Store发布了Dual S5532 / AD827 / OPA2604 Repalceable Preamp Board AudioRepalceableequalizerNE5532Preamp￥161.70去看看CN55 Flagship Store发布了Dual NE5532 Repalceable tone Preamp Board Audio equalizer PrRepalceablePreamptrebleNE552￥128.30去看看CN2 Flagship Store发布了Dual NE552 Repalceable tone Preamp Board Audio treble bassRepalceablePreamptrebleNE552￥128.30去看看yixinwaimao44发布了Dual NE552 Repalceable tone Preamp Board Audio treble bassRepalceableLME49720OPA2107OPA2134￥4300去看看CN007 Flagship Store发布了Dual LME49720 / OPA2107 / OP275 / OPA2134 Repalceable Preamp
