Williams AV PLM FSMP Field Strength Meter for Induction Loop SystemsThe PROLOOP FSM Plus accurately measures the magnetic field strength of induction loop systems, according to IEC 60118 4: 2006 and BS 6083, Para. 4. Designed for professional use, PROLOOP FSM Plus delivers reliable RMS values on the output level, response frequency, Automatic Gain Control (AGC) function, distortion and background noise in the tested induction loop. In addition, it enables the user to make an acoustic evaluation of the sound via

The RU-ASX4DR is a four channel stereo audio selector with input gain adjustments and output level metering

An onboard USB port provides access for remote control of the iQ15 via PC computer

when installed with corresponding UL Listed backcan

ND2 2" Voice Coil

Low Cut and Phantom power per channel\

an additional microphone or other accessories (with 3/8" threaded connector) can also be mounted

25" diameter

Locking on/off switch

Maximum sound pressure level is 140 dB when the - 6 dB rotary switch is in the ON position

and individually switchable +12 VDC phantom power

As well as providing stunning presets

Vertical tube assembly is manufactured of 1-1/8 and 7/8 chrome-plated cold rolled steel and includes the wearproof Atlas Sound grip-action clutch for easy adjustment and positive locking