MicroPre 2 - Miniature Two-Channel Preamp for Acoustic and Magnetic Pickups
$45.95
MicroPre 2 Specifications - Two Channel Jfet Preamp
Input - Two separate channels in.
Output - Two separate channels out.
Input Impedance - up to 10 MOhm
Output Impedance - Less than 3.5 KOhm
Battery Life - 9 volt alkaline: 1000 hours
or 2 CR2032 coin cells providing a total of 6 volts: 375 hours
Size - 1 1/4" long x 1" wide x 3/16" thick (28.5mm x 25.4mm x 4.5mm)
View Instructions for MicroPre's (pdf)