Features: Quality design ensuring without loss during the 4-pin 4p 4.4mm female balance conversion process, providing clear sound quality experience. Adopting gold plating technology, effectively preventing interfaces oxidation, maintaining sound quality for a long time, and improving transmission efficiency. Supports balanced connection, effectively reduces external noise interferences, and brings you clearer and more delicate effects. Widely applicable to various devices such as amplifiers and ear amplifiers, easily connection to meet your diverse needs. Adopting a sturdy metal casing ensures the stability and durability of the conversion head during long-term use, making it your trusted essential. Specifications: Wire model: 4pin to 4.4mm balanced conversion plug Headphone port: 4.4mm gold-plated balanced mother seat Equipment Plug: 4Pin Gold Plated Pin Housing Component: metal housing Length: Small mouth 12mm/0.47inch, large mouth 18mm/0.71inch, total length 58mm/2.28inch Package Includes: 1 Piece 4Pin Male Balance to 4.4mm Female Adapter note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.