Based on the Fender Bassman Tube Preamp. 
Built in pedalboard friendly format. Goes from the tweed style Fender cleans to a really nice overdriven tone. 
Powder coated and UV printed enclosure for additional durability. 
HIGH VOLTAGE: Voltage is converted internally to 250VDC. 
- 2 x Mullard 12AX7 Preamp Tube
- True Bypass 
- Pedalboard Friendly Enclosure 
- Power supply included with purchase 
- Anodized Aluminum Knobs
- Dimensions: 4.7“ x 3.7”
- Current Draw: 565mA
- Inputs : 1 x 1/4”
- Outputs: 1 x 1/4”
- Power: Center negative (Boss Style) 
Comes with 1-year workmanship warranty.