12-channel powered mixer, versatile with 3-band EQ and level meters. - Brand: Yamaha - Model: EMX512SC - Number of channels: 12 channels - Output type: Powered mixer - Connectors: XLR input, RCA output - Power cable: Included - EQ function: 3-band EQ - Special features: Level meters on each channel Thank you for viewing. Sound output was confirmed on all channels, and high, mid, low, and effects could also be adjusted. Output was also confirmed without issue from both the main speaker connectors and the horn connectors.