Velleman Audio Power Meter Kit

An output power meter for audio applications. Connects to amplifier or speaker terminals. Does not require own power supply. Can easily be adjusted to different output powers. For 4 or 8 ohm. The output level is displayed with 10 LEDs. Supplied with an aluminium front and four different scales: 0.15-200 W / 8 ohm; 0.3-400 W / 4 ohm; 5-1000 W / 8 ohm; 10-2000 W / 4 ohm. Degree of difficulty: Easy. DIY kit.