Tenma Audio Impedance Meter | Model 72-6950 | Used Once, Nearly Perfect.
Purchased from a closed home audio store. Was used one time to diagnose a speaker and never touched again.
Tenma 72-505 Audio Signal Generator Frequency, 150KHZ
NEW Audio Generator Hand Held Variable Amplitude Sync Output Sine Square.
TENMA - 72-490 - Compact Audio Generator