Finally there is a affordable polarity tester system. Compared to other systems, the LH-090 is three times cheaper. It does not matter if you need to test the polarity of speakers, amps or phones, the control is always very fast and simple. The result of the measurements is shown clearly by two LEDs. Every well prepared stage engineer should have this system in his tool box.
Accurate determination of polarity
Set includes transmitter and receiver unit
Easy and quick testing of speakers, amplifiers, microphones, etc.
Receiver displays test result via two LEDs
In and out via unbalanced jack sockets
Acoustical and electrical output
Adjustable input and output level
Operation via 9 V battery each
Funzionamento a pila/batteria ricaricabile possibile