Feature:1. 4 controlling knobs are accurate and high sensitive.2. Level knob: Adjust the effects level or volume.3. Speed knob: Adjust the speed of modulation.4. Depth knob: Adjust the depth of effects.5. Full metal shell, durable and exquisite. 3 controlling knobs and 1 switch are accurate and high sensitive.6. Level knob: Adjust the effects level or volume. Speed knob: Adjust the speed of modulation. Depth knob: Adjust the depth of effects.7. Mode switch: Switch between 11 modulation effects of sine wave chorus, triangel wave chorus,positive flanger, negative flanger, jet flanger, vibatio, uni-vibe, vintage phaser, opto tremolo, bias tremolo and auto filter.8. Output jack: 1/4\" mono audio jack for signal output. Input jack: 1/4\" mono audio jack for connecting guitar.9. True bypass footswitch and lever designed to prevent stamping on operation knobs.10. Full metal shell, durable and exquisite.11. 3 accurate and high sensitive controlling knobs: Level knob: Adjust the effects level or volume. Speed knob: Adjust the speed of modulation. Depth knob: Adjust the depth of effects.12. Output jack: 1/4 mono audio jack for signal output. Input jack: 1/4 mono audio jack for connecting guitar.13. True bypass footswitch and lever designed; LED indicator shows the working state.14. 3 controlling knobs and 1 switch are accurate and high sensitive.Specification:Features:Full metal shell, durable and exquisite.3 controlling knobs and 1 switch are accurate and high sensitive.Level knob: Adjust the effects level or volume.Speed knob: Adjust the speed of modulation.Depth knob: Adjust the depth of effects.Mode switch: Switch between 11 modulation effects of sine wave chorus, triangel wave chorus,positive flanger, negative flanger, jet flanger, vibatio, uni-vibe, vintage phaser, opto tremolo, bias tremolo and auto filter.Output jack: 1/4" mono audio jack for signal output.Input jack: 1/4" mono audio jack for connecting guitar.True bypass footswitch and lever designed to prevent stamping on operation knobs.Specifications:Model: AROMA AMS-3Effect: EnsembleMaterial: Aluminium AlloyInput Impedance: 470K OhmsOutput Impedance: 100 OhmsCurrent Draw: 68 mA Power supply: AC Adapter 9V DC (not included)Item Size: 9 * 3.8 * 4.8cm / 3.5 * 1.5 * 1.8inItem Weight: 151g / 5.3ozPackage Size: 12 * 7 * 6.5cm / 4.7 * 2.7 * 2.5inPackage Weight: 241g / 8.5ozNote:Please use the 9V power adapter whose polarity is positive pole outside and negative pole inside. Otherwise, the product may not work properly.Package List:1 * Guitar Effect Pedal2 * Adhesive Tape1 * User Manual (English & Chinese)1 * Hardcover BoxPackage List:1 * Guitar Effect Pedal2 * Adhesive Tape1 * User Manual (English & Chinese)1 * Hardcover Box