Bolanle Microphone Preamps 28dB Gain XLR Male to Female Adapter with Gold-Plated Connectors, 48V Phantom Power for SM7B/SM58 Mics, Mixer, Sound Card (Black)

【28dB Gain & Lossless Audio】: Features a Class A transistor amplification circuit (28dB gain) to boost low-sensitivity microphones while eliminating noise. Delivers high-fidelity, full-range sound with balanced output (Ideal for SM7B, SM58, and dynamic mics). 【XLR Interface Converter】: Seamlessly connects XLR male-to-female devices (mixers, sound cards, mics). Gold-plated pure copper pins and ferrules ensure oxidation-resistant, stable signal transmission and reduced interference. 【Compatible with 48V Phantom Power】: Fully compatible with 48V phantom power supplies, mixers, and audio interfaces. Powers condenser mics and resolves low-volume issues in dynamic microphones. 【Anti-Interference Metal Case】: Alloy-shielded casing with matte sand-gold finish blocks electromagnetic noise, enhances durability, and optimizes resonance for pristine audio clarity. 【Wide Compatibility】: Works instantly with XLR-equipped devices (mics, sound cards, amps, speakers). Rugged one-piece design in black/white. Backed by brass conductors and >1000MΩ insulation resistance