LINEPAUDIO A977 2 In 2 Out Switcher Full-balance Passive Preamp Active Speaker Double Sound Source Volume Controller, A977 Option:A977 matte effect

matte effect

About 500ml large-capacity water tank

Fast charging: 100W Super charge

long-term viewing to reduce visual fatigue

LINEPAUDIO A977 2 In 2 Out Switcher Full-balance Passive Preamp Active Speaker Double Sound Source Volume Controller, A977 Option:A977 matte effectProduct Functions 1. A977 passive preamp active speaker volume dual channel controller is small in size and suitable for active speakers or preamp post amp, it supports full balance or input and output of single ended signal. The product has functions of independent L R channel volume adjustment, 2 signals input and 2 signals output. It provides balanced XLR and unbalanced RCA connectors which are automatically converted to each other, with a selector