Finally, it has rechargeable batteries, which is super-nice because most audio impedance meters take six aa batteries.

Finally, it has rechargeable batteries, which is super-nice because most audio impedance meters take six aa batteries.  Read Less

I've used it to check capacitor and transformer values so far with good success.

I've used it to check capacitor and transformer values so far with good success.  Read Less

It's also a good idea to verify the power draw (wattage) of the circuit and to record it for future reference.

It's also a good idea to verify the power draw (wattage) of the circuit and to record it for future reference.  Read Less

It's a good practice to measure the speaker circuit prior to connecting it to the amplifier outputs.

It's a good practice to measure the speaker circuit prior to connecting it to the amplifier outputs.  Read Less

A toa unit will probably cost you over $200, as will a good tenma.

A toa unit will probably cost you over $200, as will a good tenma.  Read Less

Appears to be a decent instrument for the price.

Appears to be a decent instrument for the price.  Read Less

Well, the unit i got appears to be open box, but it had everything and worked fine.

Well, the unit i got appears to be open box, but it had everything and worked fine.  Read Less

You can buy a toa or tenma or some other audio impedance meter to do this.

You can buy a toa or tenma or some other audio impedance meter to do this.  Read Less

More expensive units might measure up to 20 kohms.

More expensive units might measure up to 20 kohms.  Read Less