“Mr. Postman”
Guitar and Bass Booster-Preamp
Make your guitar sound unique!
This stompbox is used as a tone booster with the other guitar effects, or as a complete preamp.
The basis of this device is a circuit of "Simon Boost" with some modifications such as low-noise chip Burr Brown, added three sectional Dip Switch, the newest PCB and more.     
By removing the bottom cover of the device you'll find a three sections Dip Switch as addition to standard adjustments (Volume, Bass, Mid, Treble).   
Shift - increase the upper mid frequencies
Bass Boost - great for bass guitar
Boost - increase output volume
"Mr. Postman" makes vivid and expressive sound of any guitar or bass. You can put it at the beginning and at the end of your pedal board.
At the beginning of the board it is functioning as a boost, at the end of the board - as a preamp and equalizer. This stompbox is handcrafted from selected components, it has minimal internal noise and will satisfy the coolest musicians.
Controls :  
Volume - output signal level
Bass - low freq level
Mid - mid freq level
Treble - high freq level
Features: 100% True Bypass Power:
9 V battery or 9Volt, negative center pin power supply
Length: 110 mm
Width: 60 mm
Height: 50 mm
Weight: 250 grams
 All pedals are made individually. 
"Mr. Postman" will ship within 10-12 business days of receiving cleared payment.

Worldwide shipping $15