VU3 PRO Dual Analog VU Meter, 2-Way Amplifier Switch, Speaker Selector, Amp A…
Amplifier type supported: all kinds of types (BTL/Class A/Class B/Class D digital amp/tube amp). Amplifier no-load protection: support. MIC pick-up: support. Working mode: 2-IN-2-OUT. Frequency response: 30Hz-20kHz.