Shure KSM353/ED Premier Bi-Directional Ribbon Microphone (KSM353/ED)

The Shure KSM353/ED Premier Ribbon Microphone is engineered for elite studio recording and live performance environments where precision, durability, and sonic authenticity are critical. Hand-assembled in the USA, this premium ribbon microphone delivers exceptional audio reproduction with a natural, detailed character ideal for vocals, acoustic instruments, and orchestral recordings. At the core of the KSM353/ED is Shure’s proprietary Roswellite ribbon material, designed for superior strength and resilience compared to traditional ribbon elements. This innovative design ensures consistent performance even under extreme sound pressure levels. A custom ribbon-motor assembly enhances low and midrange response while maintaining clarity and presence across the frequency spectrum. The microphone’s bi-directional (figure-8) polar pattern provides perfectly symmetrical audio capture with excellent off-axis rejection, making it ideal for stereo recording techniques and controlled sound environments. A double-shielded, matched transformer minimizes signal loss while reducing RF and electromagnetic interference, ensuring clean and reliable output. Built with premium materials including stainless steel, aluminum, silver, and gold, the KSM353/ED exemplifies Shure’s legacy of durability and performance. With no power required and a robust analog output, it integrates seamlessly into professional recording setups. Category Specification Brand Shure Model KSM353/ED Microphone Type Ribbon Polar Pattern Bi-Directional (Figure-8) Element Type Ribbon (Roswellite) Sound Field Mono Orientation Side Address Frequency Response 30 Hz to 15 kHz Maximum SPL 146 dB Sensitivity 2.11 mV/Pa Output Connector 1 x XLR 3-Pin Power Requirement No power required (passive design) Recommended Preamp Impedance ≥ 1 kOhm Construction Stainless steel housing with premium internal components Color Silver Dimensions 1.9" diameter x 6.2" length Weight 1.4 lb Included Accessories Shock mount, aluminum flight case, velveteen pouch, polishing cloth Assembly Hand-assembled in the USA