Ibanez TS9DX Turbo Tube Screamer Overdrive
They say:
The Ibanez TS9DX Turbo Tube Screamer features the same circuitry as a TS9, with the addition of three new settings for increased low-end crunch: +, Hot, and Turbo. These three additional settings paired with the original TS9 mode, afford players a flexible array of sounds that make the TS9DX one of the most versatile Tube Screamers in the whole lineup.
•Drive, Tone, and Level controls
•Modes: Turbo,Hot, and TS9
•Required Current: 8mA@9V
•Power Supply: One 9-volt battery (006P) or external AC adapter (Use only DC 9V (Center-negative))