DM4

The Line 6 DM4 Distortion Modeler is a versatile pedal designed to provide a wide range of classic distortion tones. It features 16 digital effects and 18 factory presets, with the ability to create user-programmable presets. The pedal's dimensions are as follows: Height: 2.5 inches, Width: 10 inches, Depth: 6 inches, and it weighs approximately 3.5 lbs.

Key features and controls of the DM4 include:
1. Model Selector: Allows users to choose from the 16 available distortion models.
2. Drive: Sets the amount of distortion to the signal.
3. Bass, Mid, and Treble: Tone controls for shaping the sound, with specific functions varying based on the selected distortion model.
4. Volume: Adjusts the output volume of the effect.
5. Stomp Switches: Choose from the 4 stored presets, with the ability to store new sounds by holding a switch for 3 seconds.
6. Input/Output: Standard input and output jacks, with the input also acting as an on/off switch.
7. Expression Pedal: Optional Line 6 expression pedal can control effect parameters.
8. Power Supply: Can be powered by an optional Line 6 AC power supply or 4 C size batteries.

The DM4 also features a noise gate option for taming unwanted noise, with the ability to set the gate for each preset. Additionally, it offers true bypass and alternate bypass modes for routing the signal directly or keeping the DSP engaged while bypassed.

The pedal includes models based on classic distortion pedals such as the DOD Overdrive/Preamp 250, Ibanez TS-808 Tube Screamer, Chandler Tube Driver, MXR Micro Amp, Maestro Fuzz Tone, Colorsound Overdriver, Boss MT-2 Metal Zone, ProCo Rat, Roland Jet Phaser, Electro-Harmonix Big Muff Pi, Vox Tone Bender, Arbiter Fuzz Face, and more.