4PIN#3 4 Pin Tube Socket

300B (fits same cutout as the 8PINCLX).

Shipping & Returns

Free U.S. ground shipping on orders $150+. Learn more

Return or exchange your purchase for any reason within 30 days of receipt. Learn more

300B (fits same cutout as the 8PINCLX). Electro-Harmonix offers a wide variety of tube sockets for almost every application.

Free U.S. ground shipping
 on orders $150+.

Easy returns & exchanges
 within 30 days of receipt.

Get support from
 our expert gear advisors.