The HJA-4 is a pack of four high-quality adaptors for converting headphones with 3.5mm plugs (as used on most consumer devices) for use with equipment that has the larger ¼-inch headphone sockets. They are particularly suitable for connecting headphones to the RØDECaster Pro and the AI-1.

• Pack of four high-quality 3.5mm to 1/4-inch adaptors