The Ibanez TS9DX Turbo Tube Screamer electronics_effects Pedal features the same circuit as a TS9 Tube Screamer and also offers 3 new settings for increased low end crunch: +, Hot, and Turbo.
•Drive, Tone, and Level controls •Modes: Turbo,Hot and TS9 •Power Supply: One 9 volt battery (006P) or external AC adapter (Use only DC 9V (Negative center pin))
source: www.ibanez.com