This instrument can bring simple and convenient, saving time, saving effort, efficiency to sound engineering installation and commissioning The instrument uses a 9V battery, replace the battery is simple and easy to use,carry and operate.and can be used for the phase accuracy test of any Sound System Output level, electrical : 0 to 1V (Acoustic level is fixed) The system consists of two hand-held units, PC218-A pulse can produce their own sound signal and then output the sound signal of 1Hz 1 second through XLR for PC218-B to testing. Particularly suited to the testing of popular public radio sound system,Professional audio combined system,Line array sound system,Line source frets sound system,HIFI stereo systems, car audio systems, home theater and some combined sound occasion PC218 Audio Speaker Microphone Sound Tester Phase Polarity Checker Detector

Parameter(Tansmitter):
1. Pulse rate: 1Hz
2. Frequency spectrum, electrical : 1Hz to 20KHz
3.Frequency spectrum, acoustic : 200Hz to 5KHz
4.Output level, electrical : 0 to 1V (Acoustic level is fixed)
5. Output load impedance : >1K?
6. Output source impedance : 1K?
7. Power : 9V PP3 battery (= approx 50 hours)
8. Power drain : 10mA

Parameter(Receiver):
1. Frequency spectrum, electrical : 1Hz - 20KHz
2. Frequency spectrum, acoustic : 10Hz- 1KHz
3.Input impedance (Mic) : 1KOhm
4.Input impedance (Line) : 10KOhm
5. Input level (Mic) : 10mV - 1V
6.Input level (Line) : 0.5V to 50VOutput level : 0V to 1V
7. Power : 9V PP3 battery (= approx 50 hours)
8. Power drain : 10mA

Physical Characteristics:
1. Size : 140mm W x 80mm D x 50mm H
2.Weight : 0.25 Kg
3.Shipping weight: 0.65 Kg
4.Operating temperature : 0 - 50 deg C
5.Storage temperature : -30 - 75 deg C

Package included:
1 x Set of Microphone Sound Tester