The Yamaha EMX660 is a powered mixer with six input channels compatible with mic/line signals, including a high-impedance input suitable for an electric-acoustic guitar. It has a built-in two-channel power amp with a maximum output of 300 W+300 W (600 W with bridge connection), and the input signals can be selected as MAIN+MAIN, MAIN+MONITOR, or MAIN (bridge connection).
The owner's manual explains the front and rear panels, the control and input/output sections, installation and connection, basic operation, and example setups. It also covers the 7-band graphic equalizer for the MAIN and MONITOR sections, the built-in digital effect with eight selectable effect types, the limiter circuit, troubleshooting, and specifications.
| Maximum output | 300 W+300 W (600 W with bridge connection) |
|---|---|
| Input channels | Six input channels compatible with mic/line signals |
| Channel equalizer HIGH | 12 kHz ±15 dB shelving type |
| Channel equalizer MID | 2.5 kHz ±15 dB peaking type |
| Channel equalizer LOW | 80 Hz ±15 dB shelving type |
| Graphic equalizer | 7-band, ±12 dB cut/boost per band |
| Built-in digital effect | Eight selectable effect types |
| Power amp input selection | MAIN+MAIN, MAIN+MONITOR, or MAIN (bridge connection) |
It provides 300 W+300 W, or 600 W with bridge connection.
The EMX660 has six input channels compatible with mic/line signals.
They can be selected as MAIN+MAIN, MAIN+MONITOR, or MAIN (bridge connection).
The EMX660 provides independent 7-band graphic equalizers for both sections.