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Ultimate Auto-Wah/Human Voice Effects Pedal

  • The ultimate Auto-Wah/Human Voice effects pedal to create classic wah effects and unbelievable human-voice, "talking" sounds
  • Real Sound Modeling (RSM) combines state-of-the-art DSP technology with sophisticated algorithms to emulate real acoustic environments
  • Take off with incredible auto-wah sounds that can be controlled manually, via tap-tempo mode or expression pedal (not included)
  • Dedicated Mode, Sensitivity, Manual and Decay controls for awesome sound shaping
  • Status LED for effect on/off and battery check
  • Runs on 9 V battery or the BEHRINGER PSU-SB DC power supply (not included)

  • First-class electronic On/Off switch for highest signal integrity in bypass mode
  • High-quality components and exceptionally rugged construction ensure long life
  • 3-Year Warranty Program*
  • Conceived and designed by BEHRINGER Germany

If you think you’ve heard everything an auto-wah can possibly do, sit back and listen to the DW400 say a mouthful! This is one exceptionally expressive wah pedal. Also featured is a Human Voice effect, which creates unbelievably realistic “talking” sounds – and of course our RSM technology for the highest possible audio resolution.


A wah pedal uses a filter to sweep through a wide frequency spectrum, boosting and exaggerating specific tones. As the sweep approaches the higher frequencies, the filter generates vowel-like sounds that are very much like the human voice. In the earliest wah pedals, this sweep was controlled by manual manipulation of a footswitch reminiscent of a see-saw. With the DW400, the sweep occurs automatically according to your control specifications. Or you can plug in an expression pedal (not included) to go old- school. And with BEHRINGER’s Real Sound Modeling technology, the DW400 emulates the human voice like no other stomp box can.

It’s Easy!

You can either control the DW400’s frequency sweeps by tapping a tempo with your foot, or by simply setting the dials. You’ll have your guitar speaking in tongues after selecting one of 3 modes: Synth/Up/Down, Human Voice and Tap Tempo Modes. Next, tweak the Vowel (A/E/I/O/U) Sensitivity, Manual Vowel selection and Decay dials to create exactly the wah sound you desire. You can power this pedal with a 9 V battery or our PSU-SB DC Power Supply (not included).

Sound Value

Give your guitar a whole new voice with the DW400, and you’ll have everyone talking. An Auto- Wah and Human Voice filter in one, the DW400 is one FX pedal you’re guaranteed to have fun with! Plug into the DW400 at your nearest BEHRINGER dealer, or order yours online today.

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We always strive to provide the best possible Customer Experience. Our products are made in our own MUSIC Group factory using state-of-the-art automation, enhanced production workflows and quality assurance labs with the most sophisticated test equipment available in the world.

As a result, we have one of the lowest product failure rates in the industry, and we confidently back it up with a generous 3-Year Warranty program.

**Warranty details can be found at

*Warranty details can be found at

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