Feature: 1. 【Guitar Tremolo Pedal】: Classic co emitter NPN amplification circuit, low distortion sound, retro sweet and dynamic, able to be gentle and wild. 2. 【Versatile Controls】: FREQ controls the output of vibrato frequency effect speed, adjusts the speed of vibrato effect, and creates different musical atmospheres; AMP controls the deep output of the tremolo effect, adjusts the intensity of the tremolo effect, making the sound more rich and expressive. 3. 【Robust Metal Shell】: This electric guitar effect pedal is housed in a sturdy metal shell, ensuring its durability and longevity. It\u0027s designed to withstand the rigors of live performances and constant use, making it a reliable choice for both professional musicians and hobbyists. 4. 【6.35mm Input/Output Interface】: The pedal features a standard 6.35mm input/output interface, making it compatible with most electric guitars and amplifiers. This ensures seamless integration into your existing setup, providing you with a versatile tool for enhancing your sound. 5. 【High Input and Output Impedance】: With an input impedance of 1M Ohms and an output impedance of 10K Ohms, this pedal is designed to handle a wide range of signal levels. It operates on a DC 9V power supply with a current draw of less than 100mA, making it an energy-efficient addition to your pedalboard. Specification: Features: 【Guitar Tremolo Pedal】: Classic co emitter NPN amplification circuit, low distortion sound, retro sweet and dynamic, able to be gentle and wild. 【Versatile Controls】: FREQ controls the output of vibrato frequency effect speed, adjusts the speed of vibrato effect, and creates different musical atmospheres; AMP controls the deep output of the tremolo effect, adjusts the intensity of the tremolo effect, making the sound more rich and expressive. 【Robust Metal Shell】: This electric guitar effect pedal is housed in a sturdy metal shell, ensuring its durability and longevity. It's designed to withstand the rigors of live performances and constant use, making it a reliable choice for both professional musicians and hobbyists. 【6.35mm Input/Output Interface】: The pedal features a standard 6.35mm input/output interface, making it compatible with most electric guitars and amplifiers. This ensures seamless integration into your existing setup, providing you with a versatile tool for enhancing your sound. 【High Input and Output Impedance】: With an input impedance of 1M Ohms and an output impedance of 10K Ohms, this pedal is designed to handle a wide range of signal levels. It operates on a DC 9V power supply with a current draw of less than 100mA, making it an energy-efficient addition to your pedalboard. Specifications: Brand: DK FREQ: Control Treble Frequency Effect Speed Output AMP: Control Treble Effect Deep Output LED Light: Yellow when the effector is working Input: Input interface, using 6.35mm mono audio plug to connect guitar and other devices Output: Output interface, using a 6.35mm mono audio plug to output signals Step on Switch: True through effect switch, step down to work mode Input Impedance: 1M Ohms Output Impedance: 10K Ohms Power Supply: DC 9V internal negative external positive<100MA (not include a power adapter charging cable) Product Size: 9.5 * 4.5 * 3.2cm/3.7 * 1.8 * 1.3inch Item Weight: 155g/5.5oz Note: Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Packing List: 1 x Electric Guitar Effects Pedal Package List: 1 x Electric Guitar Effects Pedal