is signal boost engine. This device adds a preset amount of gain with 4 knob control this lets you boost your signal for lead work, adjust betweentwo different guitars with unmatched output (i.e., humbucker to single coils), 
or it can supply a permanent boost in a long effects chain where signal drop off 
is a problem. 
This device use BS170 Mosfet Transistor pedal offering up to 35dB without changing your signature sound unless you so desire. You can fatten/distort your tone, brighten or mellow up the sound, add or subtract Bass, and add even-order harmonics!

Demo by  ขายกีตาร์ราคาถูก BY Sittichai

Official Website

Official Product Video

Preamps Booster 2

Demo by  Sean Pierce Johnson

Product Page

Manual

Time Capsule 2 Delay

The Dumble Drive provides guitar players with classic Dumble amp tones! touch-sensitive overdrive pedals. Great dynamic response Smooth, round, balanced, low-to-medium gain overdrive.

The pedal come with 3 knobs control volume, gain, tone. At lower settings the pedal offers extremely light overdrive sounds reminiscent of Legendary Dumble amps set near the “sweet spot.” At higher settings, pedal increases gain and sustain, producing tasty overdrive.

Demo by Puy GuitarTutor

Demo by chatreeo

Dumble Drive

G4 Metal Gate great for metal style drop string tuning the 4 knobs control give you "ton of brick" sounds with toggle switch you can use this swith for boost or scoot mid frequency. The secret of circuit design is mosfet transistor to compress gain output signal 

G4 Metal Gate great for the guitarist who likes style of metal rock. circuit wiring with true bypass and input ground signal that ensure no crosstalk noise when pedal off

Demo by Ponch Satrio

G-4 Metal Gate

BBlues Ver.2.0 is the effects pedal that sound Overdrive Style Vintage tone, It’s also clean sound mix control to customized combination of sounds clean and drive.
 

The basic circuit from 808 vintage overdrive that give the sound characteristics of the middle voice clearly for guitarist. This device add MIX control to  combination clean sound with overdrive. It's mean has 2 layers, clean sound in front of the drive sound. When we set MIX control to counterclockwise.

Demo by MeenTBband

Demo by Fredrik Pihl