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Transmitters
Transmitter RF Output Power 10 mW HI; 3.3 mW LO
Battery Life 8 hours
Mic Modeling
THH12 Handheld
TBP12 Beltpack
Yes (10 selectable models)
Yes (9 selectable EQ filters)
Batteries 2 x AA Alkaline
Battery Display (on Transmitter) LCD Screen
Dynamic Range
THH12 Handheld
TBP12 Beltpack
>115 dB
>120 dB
TBP12 Maximum Audio Input Level 6.5 Vpp
TBP12 Beltpack Input Impedance 1.3 M Ohms
TBP12 Beltpack Supplied Bias Voltage 5 VDC (on Pin 2 of TA4F Connector)
Transmitter Audio Polarity Positive pressure on mic diaphragm produces
positive voltage
TBP12 Beltpack Pinout To TA4F Connector
Use the following wiring protocol when using other headset, lavalier, or instrument microphones or
cables with the TBP12 beltpack transmitter.
•TA4 pinout
•1 = GND
•2 = V+
•3 = Signal
•4 = Z (This pin is tied to Signal for lav mics and tied to Gnd or open for gtr)