Maximum Input Sound Level: 142dB SPL (THD = 1.0% @ 1 kHz). Electrical Current: 500Ua. Noise: 20dB SPL. Dynamic Range (Typical): 124 dB, 1 kHz @ Max SPL. Signal-to-Noise Ratio: 74 dB, 1 kHz @ 1 Pa. PCB Layout: Surface Mount. Fixed Crossover Filter Cutoff Frequency: 50Hz - 16 kHz. Power Requirements: 48V DC Phantom Power. Output Connector: 3-Pin XLR. Product Weight: 0.74 Lbs. Product Height: 7.44" inches. Shipping Weight: 3.32 Lbs. Shipping Dimensions: 13.98" x 7.87" x 3.15" The 512-BBA is an adjustable microphone boom arm featuring a silent, internal, high-tension spring design, extra-wide mounting clamp, and articulating integrated swivel. With 360 degrees of rotation and simple two-axis adjustment, you'll easily find and maintain the perfect mic position every time without making a sound.Bring Your Sound CloserBring your mic closer to your voice and away from distracting vibrations caused by typing, desk movement, and noisy fans. With professional looks and a reliable, high-tension spring hinge, 512-BBA easily stays in place without any additional tightening or adjustments.Don't let anything come between you and clean, clear audio.Perfect Mic Placement (Every Time)The 512-BBA features a durable yet lightweight steel construction that easily holds most professional recording and broadcast microphones, up to 3 lbs. Whether your perfect placement is over your monitor or stretched across the table, 512-BBA's 360 degrees of arm rotation and smooth, dual-axis swivel lets you enjoy a full range of motion to effortlessly find the optimal mic placement.512-BBA is outfitted with a silent-spring design so you can make all the adjustments you want without making a sound. Introducing, the Rockville RCM PRO, our newest high-quality, professional studio/recording condenser microphone! With it's large diaphragm it provides smooth, natural sound and low noise, it also delivers great bass, mids, and highs on all of your recordings.