Donner Echo Square Multi Delay Guitar Pedal 7 Effects Digital Analog Tape Mod 7-Mode Delay effects: Digital, Analog, Tape, Mod, Sweep, Lofi and Reverse. Digital circuit design, true bypass provide transparent tone. Whole Aluminium-alloy classic, stable and strong. LED indicator shows the working state. DC 9V Adapter power supply. (Not included) 7 Mode Delay Tone The New Delay pedal from Donner Company with the name of Echo Square, which is also a digital circuit pedal. 7-Mode Delay effects in the whole Aluminium-alloy little stomp box. One pedal let you have 7 different effect delay: Digital, Analog, Tape, Mod, Sweep, Lofi and Reverse. This is a wonderful pedal. A variety of delay effects adds musical color to you tone. Easy to Control There are three function knobs, namely MIX, TIME and F.BACK. MIX is used to controls the dry/effect signal ratio. TIME is used to control the delay time. F.BACK is used to control the feedback amount. You can just control three function knobs and choose 7 mode model that you want, and you can made you own music tone. Enjoy your own fun and colorful life. Classic Design As you can see, this 7 mode delay pedal also have a classic mini design: black 'Clock Hand' knobs, wonderful LOGO design and whole aluminium-alloy classic box, very stable and strong. LED indicator shows the working state. True bypass switch lets your instrument’s signal pass through a non-electronic bypass line when the effect is disengaged, feeding your amp with direct, unaltered signal from your instrument.