I purchased the Harley Benton Digital Delay about a week ago and it definitely rocks my pedalboard! I have owned several delays over the years including models from Boss, Line 6, MXR and many more, but I was looking for something really simple without spending my money on getting an Electro Harmonix Deluxe Memory Man. I have owned a Vahlbruch Spacetime Delay that didn't do the trick for me, so I tried the Harley Benton Digital Delay. The Harley Benton Digital Delay is based around the famous PT2399-IC that allows up to 600ms of digital delay and is used in many digital delays out there (Vahlbruch, Wampler, Mad Professor etc.). Although it's called a 'Digital Delay' it doesn't sound like being digital. The repeats are warm and almost sound like coming from an analog delay. The pedal's controls are pretty simple. The 'Time'-knob controls the delay-time, although the delays don't get longer after turning up the knob to 3/4 of it's way. The 'Repeat'-knob controls the amount of repeats following after the delay sets in and you can get pretty crazy oscillation sounds by turning up the knob. The 'Level'-knob is acting as a mixer-stage, so you can't use the pedal as a booster as it's not actually boosting the signal. On the inside of the pedal you will find a battery clip for using the pedal with batteries, but I wouldn't recommend to use the pedal with a battery, because it eats batteries like a monster resulting from the fact that it's a digital pedal. The overall workmanship is pretty good for a chinese made pedal.