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DYNAMIC WAH DW400

TECHNICAL SPECIFICATIONS AND APPEARANCES ARE SUBJECT TO CHANGE WITHOUT NOTICE AND ACCURACY IS NOT GUARANTEED. BEHRINGER IS PART OF THE 

MUSIC GROUP (MUSIC-GROUP.COM). ALL TRADEMARKS ARE THE PROPERTY OF THEIR RESPECTIVE OWNERS. MUSIC GROUP ACCEPTS NO LIABILITY FOR ANY LOSS 

WHICH MAY BE SUFFERED BY ANY PERSON WHO RELIES EITHER WHOLLY OR IN PART UPON ANY DESCRIPTION, PHOTOGRAPH OR STATEMENT CONTAINED HEREIN. 

COLORS AND SPECIFICATIONS MAY VARY FROM ACTUAL PRODUCT. MUSIC GROUP PRODUCTS ARE SOLD THROUGH AUTHORIZED FULLFILLERS AND RESELLERS 

ONLY. FULLFILLERS AND RESELLERS  ARE NOT AGENTS OF MUSIC GROUP AND HAVE ABSOLUTELY NO AUTHORITY TO BIND MUSIC GROUP BY ANY EXPRESS OR 

IMPLIED UNDERTAKING OR REPRESENTATION. THIS MANUAL IS COPYRIGHTED. NO PART OF THIS MANUAL MAY BE REPRODUCED OR TRANSMITTED IN ANY FORM 

OR BY ANY MEANS, ELECTRONIC OR MECHANICAL, INCLUDING PHOTOCOPYING AND RECORDING OF ANY KIND, FOR ANY PURPOSE, WITHOUT THE EXPRESS 

WRITTEN PERMISSION OF MUSIC GROUP IP LTD. ALL RIGHTS RESERVED. © 2012 MUSIC Group IP Ltd. Trident Chambers, Wickhams Cay, P.O. Box 146, Road Town, 

Tortola, British Virgin Islands

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The 

ON/BATT

 LED illuminates when the effect is activated. It also serves as a battery 

level indicator. If the Tap function is active, the LED flashes.

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Use the foot switch to activate/deactivate the effect. When pressing the foot switch 2 seconds 

or longer, you can tap in the Auto Wah effect time (ON/BATT LED flashes).

Use the 

DC IN

 connection at the front of the unit to plug in a 9 V power supply (not included). 

The 

BATTERY COMPARTMENT

 is located underneath the pedal cover. To install or replace the 9 V battery, 

press the hinges with a ballpen and remove the pedal cover. Be careful not to scratch the unit.

◊  The DW400 has no On/Off switch. It is operable as soon as you insert a plug into the 

IN connector. Disconnect the plug, if you don’t use the DW400. In doing so, you can 

extend the life time of the battery. 

The 

SERIAL NUMBER

 is located at the underside.

◊  In rare cases interferences of the normal function may appear by external influence 

(e.g. electrostatic discharge), as for example sound disturbances or malfunctions. 

If this occurs, please turn down the volume on subsequent amplifiers and disconnect 

the input connector briefly to restart the application.

2.  Safety Instructions

Do not use near water, or install near heat sources. Use only authorized attachments/accessories. 

Do not service product yourself. Contact our qualified servicing personnel for servicing or repairs, 

especially when power supply cord or plug is damaged.

3.  Warranty

Please register your new BEHRINGER equipment right after your purchase by visiting http://behringer.com 

and read the terms and conditions of our warranty carefully. 

4.  Specifications

GTR IN / BASS IN

Connector  

¼" TS

Impedance 

500 kΩ

OUT

Connector 

 ¼" TS

Impedance 

1 kΩ

EXP/CTL

Connector  

¼" TRS

Impedance 

1 kΩ

Power Supply

 

9 V

𝌂

, 100 mA regulated

BEHRINGER PSU-SB

USA/Canada 

120 V~, 60 Hz

China 

220 V~, 50 Hz

Korea 

220 V~, 60 Hz

Europe/Australia  230 V~, 50 Hz
Japan 

100 V~, 50/60 Hz

Power connector 

 2 mm DC jack, 
negative center

Battery 

9 V type 6LR61

Power consumption  30 mA

Physical/Weight

Dimensions  

approx. 2 1/8 x 2 3/4 x 4 4/5" 

(H x W x D) 

approx. 54 x 70 x 123 mm

Weight 

approx. 0.73 lbs / 0.33 kg

BEHRINGER is constantly striving to maintain the highest 
professional standards. As a result of these efforts, modifications 
may be made from time to time to existing products without 
prior notice. Specifications and appearance may therefore differ 
from those listed or shown.

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