The PGA27 is a professional quality large diaphragm condenser microphone with an updated design featuring a black metallic finish and grille offering an unobtrusive visual presence. • Legendary Shure quality design and construction for exceptional performance in rigorous environments PGA 27 Polar Pattern Frequency Response Product Specifications Available SKUs Accessories Type Electret condenser Frequency Response 20 to 20,000 Hz Polar Pattern Cardioid Output Impedance 115 Ω Sensitivity at 1 kHz, open circuit voltage Though the PG27 mentions a neutral frequency response of 20Hz-20KHz, there is a significant boost from the 4KHz region, especially between 6-8KHz and then the response gradually decreases with another exaggerated boost from the 10KHz region. The wide frequency response and high SPL handling make the PGA27 ideal for capturing loud, dynamic sources with detail and accuracy. Designed with a tailored frequency response for superior reproduction, the Shure PGA27 side-address condenser microphone features a large cardioid diaphragm, highly durable design and construction and a high SPL threshold for clearly capturing a wide variety of vocal, acoustic, and amplified sources. Use the Shure PGA27 large diaphragm condenser microphone to capture vocals, acoustic instruments, and bass-heavy sources with great results. PGA27 Congratulations on the purchase of a new Shure PG Alta series microphone. Versatile for use in both recording and live performance. Designed with a tailored frequency response for superior reproduction, the PGA27 side-address condenser microphone features a large cardioid diaphragm, highly durable design and construction and a high SPL threshold for clearly capturing a wide variety of vocal, acoustic, and amplified sources. The PG Alta series delivers professional quality audio at an affordable price, with solutions for capturing nearly any source, including voice, acoustic instruments, drums, and amplified electric instruments. A microphone with tailored frequency response is usually designed to enhance a sound source in a particular application. The polar pattern mentioned along with the manual, is almost similar while recording.