Ultra Drive has 3 Working Modes: Original/Extra/Ultra
Original: Provide a strong and hard edge distortion sound with low noise level.
Extra: For high gain, and more tube like distortion.
Ultra: For a fatter drive tone, and a wider distortion range.
Full metal shell
Very small and exquisite
Effects Modes: 3 (Original/Extra/Ultra)
Input: 1/4” monaural jack (impedance: 470k Ohms)
Output: 1/4” monaural jack (impedance: 10k Ohms)
Power Requirements: AC adapter 9V DC (center minus plug)
Current Draw: 6 mA
Dimensions: 93.5mm (D) × 42mm (W) × 52mm (H)