SHURE BLX14E/SM31-M17

sm microphone system "fitness" professional headset consisting of body-pack transmitter "blx1" over-the-mic "sm31fh" + "blx4" + receiver handy semirigida for containment/transport. following are the main features:

headband microphone to "sm31fh":
- condenser microphone capsule (electred) optimized to offer an accurate reproduction of the sound source
- polar pattern cardioid: resumes the desired source without sound pick up extraneous noise
- special hydrophobic construction against corrosion and moisture
- frequency response: 45 hz- 20,000 hz
- sensitivity: -50 dbv/pa
- max: 145 db spl
- noise: 28 db/a
- impedance: 600 ohms
- connector: ta4f
- rf shielding
- color: black/orange
- cable length: 1.1 m
- weight: 60 g
- included accessories: windscreen + cable clip

body- pack transmitter "blx1":
- power led indicator and battery status
- adjustable gain control
- quick and easy coordination of frequencies
- up to 14 hours of continuous operation with aa batteries (included)
- transmission range 100 m (line of sight)
- rugged, lightweight ergonomic design
- rf output power: 10 mw, typical (varies by region)
- maximum gain: -16 dbv maximum
- minimum gain (0 db): dbv maximum +10
- gain adjustment range: 26 db
- input impedance: 1 m-ohm
- dimensions (mm): 110 x 64 x 21
- weight: 75 g (without batteries)
- structure: molded abs

receiver "blx4":
- up to 12 compatible systems (depending on region)
- antenna switching controlled by microprocessor
- "quickscan": find the best free frequency by pressing a single key
- ¼" and audio outputs xlr
- two-colour led indicator of the state of audio - green: normal audio levels - ged: excessive sound levels (saturation/clipping)
- maximum output: xlr connection –27 dbv (over 100 k ohms)/free 6.35 mm (1/4" ) – 13 dbv (over 100 k ohm)
- output impedance: 200 ohm xlr/6.35 mm jack connector (1/4" ) 50 ohm
- sensitivity: -105 dbm for 12 db sinad of (typical value)
- frequency rejection ratio image: more than 50 db (typical value)
- power supply: 12 v DC/15 ma 160, applied by an external AC power adapter
- dimensions (mm): 188 x 103 p x 40
- weight: 241 g
- housing: molded abs

note: the manufacturer reserves the right to modify the features, in line with technological developments and without notice in order to improve it qualitatively and aesthetically