Guitar Effect Pedal 9 Reverb Types Warm Authentic Sound Digital Modeling Reverb Effect Pedal Item Type: Reverb Effect Pedal Material: Metal Size: Approx. 112x68x40mm / 4.41x2.68x1.57in Input Connection Type: Standard 1/4in Mono Jack TS Output Connection Type: Standard 1/4in Mono Jack TS Power Supply 1: DC 9V≥300mA (Center Negative) Power Supply 2: USB 5V≥300mA 9 Reverb Effect Types: Room, Hall, Plate, Spring, Shimmer, Cloud, Bloom, Swell, Lofi Power Interface: Use 9V DC Adapter (Center Negative) USB Interface: Support 5V Power Supply, Recommend 5V1A Adapter DECAY Knob: Adjusts the Decay Time of the Reverb Effect TYPE Knob: Select Different Reverb Tones, 9 Levels in Total, Please Refer to Tone Introduction MIX Knob: Adjusts the Ratio of Dry and Wet Reverb Sounds PARAM1 Knob: Functions Differ depending on Different Reverb Tones PARAM2 Knob: Functions Differ depending on Different Reverb Tones PARAM3 Knob: Functions Differ depending on Different Reverb Tones Output Interface: 1/4in Mono Sound Output Jack LED Indicator: Shows the Status of the Effect Pedal, On for Effect On, Off for Bypass Input Interface: 1/4in Mono Sound Input Jack Footswitch: Activate the Effect Pedal or Switch to True Bypass Mode