Pair of JBL 4301B Professional Series Speakers | eBay
The McGuire Group LLC - Auction: George Mason High School Sentimental and Surplus Online Auction ITEM: Single (1) VINTAGE JBL 4301B Control Monitor Speaker
JBL 4301B Studio Monitors | replaymusicgear
JBL 4301B
4301B
stereonomono - Hi Fi Compendium - 13 years on-line: JBL 4301B
Vintage JBL 4301B Control Monitor Speaker (1) Single | Reverb Deutschland
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Goodwill find, JBL 4301b monitors for $50! : r/vintageaudio