There is also an FX loop to connect to third party FX units, which route back in through the filter system. Xone:23C features 2+2 stereo channels with dual levels for phono and line inputs, allowing four music sources to be connected at the same time, including turntables and CD/media players. Additionally, the internal soundcard enables replay and recording from DJ software, offering users all the benefits of digital DJ-ing while using hands-on mixer controls. The main mix output and mic input are on professional standard balanced XLRs, and there is a dedicated record output. The Xone:23C is equipped with comprehensive monitoring facilities, including a dedicated booth output with its own volume control, a cue mix control, and signal levels clearly displayed on the 9 segment peak hold meters. The Xone:23C includes soft touch, backlit controls, light-piped meters and a distinctive new shaped steel faceplate. The mixer can also be upgraded with the latest Inno fader for enhanced scratch performance (sold separately). Xone:23C comes with Mix vibes Cross LE Software, providing DVS control and plug-n-play mapping for Xone: K series controllers. (DVS control requires reconfiguration of internal jumpers.) Allen & Heath is known for building high quality mixers for the last 40-plus years. At any time of day or night, across the globe, there is an Allen & Heath mixer out there working hard, sounding great and making life a little easier for the person at the controls.