This reverb lets you simulate the acoustics of different performance environments, such as concert halls and small clubs, and add warm, natural ambience to your vocals or instrument performance. 5 MONITOR OUT jacks These are for connection to a powered speaker for monitoring purposes, and output a mix of the signals from channels 1 to 7/8. You can adjust the output level using the MONITOR OUT control (!). If only the L (MONO) jack is used, the signals from the L and R channels are mixed and output. 9 USB connector Connect your iPod/iPhone using a USB cable to play music and charge the iPod/iPhone. Use the LEVEL control of channels 7/8 to adjust the volume, since the music signals are mixed to those channels. This connector supplies 5V power to the connected USB device. This connector does not support digital playback from USB devices other than the iPod/iPhone. For playback of such devices, use appropriate stereo mini or RCA pin connectors. Caution • Use a genuine Apple Dock Connector USB Cable for the iPod/iPhone connection. • Please do not use a USB hub. 4 Connect desired devices, such as a microphone, or an instrument to the input jack of the mixer. Refer to the illustration on the mixer shown below or the connection example of the cover panel of the accessory compartment. Owner’s Manual Introduction Thank you and congratulations on your purchase of the Yamaha STAGEPAS 400i Portable PA System. The STAGEPAS 400i is an all-in-one PA system, consisting of two speakers and a powered mixer. In order to get the most out of your new STAGEPAS 400i and its sophisticated functions, we suggest you read through this manual thoroughly. Also keep it in a safe place for future reference...