1. Supply voltage DC supply 12 V.
2. Shows a mono audio signal.
3. Can measure the voltage of the signal. From 880 mVp-p to 2.9 Vp-p.
4. Can reduce or increase the signal strength. By adjusting VR1
5. LED indication of the volume of the order of eight straight.
6. Can be integrated into the Cascade (Cascade) to increase the visibility of the LED's.
7. Power pole switch circuit is not a shock.
8. Dimension 4 cm X 8.1 cm (1.6" X 3.2").