Channels 1-8 include gain/trim controls, and all channels feature an aux send, a pan knob, and level controls. Channels 5/6 and 7/8 feature 1/4" line-level inputs, while channels 9/10 include stereo RCA inputs. Channels 11/12 include 1/4" inputs and double as an external FX return for feeding an outboard effects processor. Outputs include Master L/R on XLR, a 1/4" aux send, and a dedicated 1/4" headphone output with selectable monitoring of the master bus or USB return 3/4. The on-board effects include delay with tap-tempo, reverb, chorus, and karaoke. The master section offers a master fader and four LED meters with -20, 0, +6 dB, and peak settings. The Notepad-12FX features a durable metal enclosure and ships with an external power supply.