Karaoke Mic/Line Mixer – Portable and Rechargeable – REX: Reverb/Echo Extreme. Microphone Input -QTS/QTRS plug. Stereo Line-Level Input -3.5mm TRS plug. Mixed Stereo Line Output -3.5mm TRS plug. Switch selects reverb/echo application: Line In Left or MIC In. Switch enables/disables mic/instrument reverb/echo effect. User control of delay and sustain for setting reverb, echo and extreme echo. Low Noise, High Fidelity. Self-Powered with Rechargeable Batteries. External power option for wider dynamic range. Warns of high volume. Connect a few together for multiple mics or instruments. Please check the User Guide post on the website Blog to download the Quick Start Guide, User Instructions, and Technical Specifications for the REX in. Reverb/Echo Extreme (REX) Mixer. 3.5mm male TRS to 3.5mm male TRS cables. Karaoke Mixer – Portable and Rechargeable – REX: Reverb/Echo Extreme. Karaoke MIC/Line Mixer – Portable and Rechargeable – REX: Reverb/Echo ExtremeEasy Hookup:Microphone Input -QTS/QTRS plugStereo Line-Level Input -3.5mm TRS plugMixed Stereo Line Output -3.5mm TRS plugSwitch selects reverb/echo application: Line In Left or MIC InSwitch enables/disables mic/instrument reverb/echo effectUser control of delay and sustain for setting reverb, echo and extreme echo Low Noise, High FidelitySelf-Powered with Rechargeable BatteriesExternal power option for wider dynamic rangeWarns of high volumeConnect a few together for multiple mics or instrumentswebsite: backyarddj. UsPlease check the User Guide post on the website Blog to download the Quick Start Guide, User Instructions, and Technical Specifications for the REX in. Contains:Reverb/Echo Extreme (REX) MixerTwo 6ft. 3.5mm male TRS to 3.5mm male TRS cablesAc AdapterQuick Start Guide. Karaoke MIC/Line Mixer – Portable and Rechargeable – REX: Reverb/Echo Extreme. Sorry, our items are NOT available for pick-up. No additional information at this time. You might also like. Karaoke Mixer – Portable and Rechargeable.