The Audio-Technica PRO 35 is a cardioid condenser clip-on for sax, toms, brass, and percussion. The AT8418 UniMount clip positions the capsule and adds shock isolation. A 6' cable feeds the AT8538 in-line power module, which has an 80 Hz high-pass filter. Specifications Element: Fixed-charge back plate, permanently polarized condenser Polar pattern: Cardioid Frequency response: 50-15,000 Hz Low-frequency roll-off: 80 Hz, 18 dB/octave (wired) Open-circuit sensitivity: -45 dB (5.6 mV) re 1V at 1 Pa Maximum SPL: 145 dB SPL, 1 kHz at 1% T.H.D. Dynamic range: 115 dB, 1 kHz at Max SPL (wired) Signal-to-noise ratio: 64 dB, 1 kHz at 1 Pa Phantom power: 11-52V DC, 2 mA typical Switches: Flat, roll-off (power module) Cable: 6.0' (1.8 m) permanently attached, TA3F to AT8538 Microphone dimensions: 25.0 mm (0.98") long, 10.2 mm (0.40") diameter Power module: 92.9 mm (3.66") long, 18.9 mm (0.74") diameter, XLRM output Weight: Microphone 8 g (0.3 oz); power module 81 g (2.9 oz) In the Box PRO 35 microphone AT8418 UniMount instrument mount AT8538 power module Soft protective pouch