It only adapter, con't provide the power. if your Shure / Sennheiser microphones working need DC power. so your system also need provide the power. 3.5mm FeMale is standard lock. Note : This is only converter.
eBay
Dual RCA to XLR Cable, 2 RCA to 2 XLR Male HiFi Stereo Audio Connection Micro Cable Wire Cord Path Cable - Feet. Dual RCA to Dual XLR Male Hi-Fi Audio Cable This cable is wired to support the audio transmission from unbalanced RCA connectors to an XLR connector.
eBay
Important Note: This cable features a 3.5mm Male end with a TRS conductor (not TRRS). Use a TRS to TRRS adaptor for recording needs. Versatile 3.5mm TRS to XLR Microphone Cord - 3FT. Transform your audio experience with our versatile 3.5mm TRS to XLR microphone cord.
eBay
Its right-angle design and durable construction make it an excellent choice for any audio setup, ensuring optimal sound and convenience. Connectors: 3-Pin XLR Male Straight Connector to 3-Pin XLR Female Straight Connector.
eBay
Castline silver 3-pin XLR-male to 1/4" TRS-male connector. Mogami W2582 flexible low nose wire (XLPE insulation and a strong rubber - like outer jacket makes this cable ideal where a durable and flexible cable is needed).
eBay
Balanced XLR (microphone) cables are ideal for connecting mixers, equalizers, crossovers, amplifiers.anything that requires a balanced 3 pin XLR connection. They can also be used as microphone cables or for connecting DMX lighting fixtures.
eBay
Features || High performance microphone cable || 8mm high quality PVC outer covering || Heat shrink protected XLR connectors || ||. We understand your cables need to sound great and perform reliably, night after night, without costing you an arm or a leg!
eBay
LEMO 6 PIN FGG.2B FGG 2B Male to 4-pin XLR Female Black / Gold Neutrik Insulated Cable Connection 26".
eBay