1) Line Audio 8MP - 8 Channel Mic Preamp | bc's gear | Reverb
Amazon.com: Stereo LINE PRE-Amplifier, 15DB, 12VDC : Electronics
Neve 1073OPX 8-Channel Mic/Line Preamp
Douk Audio L1 Mini Stereo Line Level Booster Audio Signal Amplifier HiFi Digital Preamp Volume Control for Phone TV Audio Player|Amplifier| - AliExpress
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RME 12Mic Mic- and Line-Level Preamp for Audio Networks 12 MIC
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