Simplest option for converting mic, instrument and line levels to and fro? | The Gear Page
Amazon.com: Headset Buddy Line-Level Audio Adapter with Built in Attenuation for iPhone, Smartphones, Soundboards and Mixers (iPhone-Mic-Line) : Electronics
Sescom SES-IL-MICPRE Active Inline XLR Microphone Preamplifier with Power Switch & Adapter
Rapco LTIBLOX Laptop Interface - 3.5mm Line Level to XLR Mic Level Converter
Convert Line Level To Mic Level Audio Signal (5 Ways!) - Kettner Creative
MIC LEVEL vs LINE LEVEL: Audio Levels Explained – Audio University
SAMSON G-Track Pro Studio USB Condenser Microphone Mic+Built in Audio Interface - Walmart.com
Whirlwind LM2B 2-Channel Line Level Converter LM2B B&H Photo