As a VU meter, with dual 60x35mm large meter, can dynamically decorate audio environment and provide incomparably visual effects when switching audio signals Built-in large power load resistor with metal wire winding, each channel supports up to 100W power input and output High- VU meter with LED display, and match perfectly with customized VU driver board Fully isolation transformer to acquisite audio signal to avoid crosstalk from VU driver board, clear and Proper size with exquisite appearance: cool black case, warm VU meter and clear indicators looks vintage and dynamic, can perfectly match with a variety of usage scenarios, very suitable for audiophiles who have more than one amplifiers or speakers Parameters: Audio input/output: 2 groups of banana female Working mode: 2-IN-1-OUT / 1-IN-2-OUT Amplifier type supported: all kinds of type (BTL /Class A /Class AB /Class B / Class D digital amp / tube amp etc.) Max. through power of each channel: 100W (in actual) Backlight brightness adjustment: 4-level adjustment (can be turn off) Amplifier no-load protection: support Remote control function: supprt Settings saved after shutdown: support Working voltage: DC 5V (above 1A) Power interface: Type-C (The product printed words depending on the batch, but this does not affect use) Color:As Shown Material:Aluminum Alloy Package Contents: 1 * Amplifier Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.