<p>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.<br /><br />•Drive, Tone, and Level controls<br />•Modes: Turbo,Hot and TS9 <br />•Power Supply: One 9 volt battery (006P) or external AC adapter (Use only DC 9V (Negative center pin))</p>