MT-3EQ Tone Control Stage with Volume and Precision Bass,Mid,Treble 
MM-R2 2020A Microphone HQ. Low Noise Preamplifier Board With Gain Bass Treble Control 
Rockford Fosgate 9100-9400 Original Faceplate Assembly Flat Cable -
uPA86H Dual SOT23 JFET Adapter PCB
Price range: $5.00 through $10.00 Select options This product has multiple variants. The options may be chosen on the product page -
uPC1024H pre-amp NEC IC chip replacement SIP7 Single Channel Audio Pre Amplifier
Price range: $5.00 through $30.00 Select options This product has multiple variants. The options may be chosen on the product page -
XLR-Balance Input to Unbalance Output Converters Mono/Stereo Modules
$20.00 Select options This product has multiple variants. The options may be chosen on the product page
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uPA86H Dual SOT23 JFET Adapter PCB
Price range: $5.00 through $10.00 Select options This product has multiple variants. The options may be chosen on the product page -
uPC1024H pre-amp NEC IC chip replacement SIP7 Single Channel Audio Pre Amplifier
Price range: $5.00 through $30.00 Select options This product has multiple variants. The options may be chosen on the product page -
XLR-Balance Input to Unbalance Output Converters Mono/Stereo Modules
$20.00 Select options This product has multiple variants. The options may be chosen on the product page