Abstract: Φ34mm dual-sided gold-plated large diaphragm capsule with wide frequency response and high transient response, accurate sound reproduction.New variable resistance output circuit design delivers full low frequencies, transparent and bright high frequencies.Three polar patterns (unidirectional/bidirectional/omnidirectional) for various sound sources recording.Zinc alloy body inlaid with red aluminum nameplate, featuring mirror-finished and brushed lettering edges, highlighting distinctiveness and