Audio-Technica AT8532 power supply module with Audio-Technica microphone ATM35. Works with regular 48v Phantom Power or with a 9v battery. Compatible instruments for use: saxophone, trumpet, trombone, tuba, bass, etc. Directional characteristics : Unidirectional Frequency response : 30 - 20,000Hz (with low-cut switch) Sensitivity (0dB=1V/1Pa, 1kHz): -44dB Maximum input sound pressure level (1 kHz, THD 1%): 143 dB (with batteries), 150 dB (with phantom 48 V) Low cut : 80Hz, 12dB/oct SN ratio: (1kHz, 1Pa): 67dB min Output impedance: 200 Ω balanced Microphone holder: Windscreen 22 mm in diameter, boom length 84 mm Cable : 7.6m Finish: Black matt baked finish Output connector: Cannon XLRM type (with power module AT8532) Dimensions: Diameter 12 mm, Length 45.2 mm Weight : 8.5g Minimally used: very good condition