
Dear customers!
The warehouse of our official AMT European E-store https://amt-sales.com/ will be on VACATION TIME since June 27 till July 15, 2022.
During this period we will process orders as always 24 hours per day, but please just keep in mind the shipping of that orders will begin after July 15, 2022.
Thanks a lot for your kindly understanding!
Best regards,
AMT Team
Noiseless power supply for this device is purchased separately (you can choose):
Let us introduce you bass version of the current AMT bestseller optical wah-wah pedal WH-1 - WH-1B. Finally your bass can also do "wah-wah'!:)
Tech talk
AMT WH-1B is an optical version of a classic Bass guitar "WAH-WAH" effect with bandpass filter range selection (3-way switch). Optical frequency control increases the service life of the effect eliminating frequent replacements of maintenance and replacement of the control potentiometer.
AMT WH-1B features low noise and expanded frequency tuning range due to the use of original JFET-based circuit design. AMT WH-1B boasts great versatile sound and processes both clean guitar sound and Ultra high gain overdrive equally well.
AMT WH-1B features:
- 100% analog WAH-WAH effect;
- Fixed switching among bandpass filter ranges: 0.22-2kHz, 0.15-1kHz, 0.1-0.6kHz;
- True bypass;
- Fixed effect selection by pressing the movable front end part of the pedal;
- Removable support feet (the option is useful when you install the AMT WH-1B on the pedal board);
- Effect monitoring by using blue LEDs on both pedal sides (visible engaged AMT WH-1B mode);
- AMT WH-1B’s steel heavy body is stable and confidently responds to foot control;
- Adjustable pedal movement by means of an axial screw;
- Powered by DC adapter or 9-12V 9V battery;
- Low power consumption;
- Small size: 110mm x 62mm x 58mm (fits easily into your guitar case);
- Weight (without battery) 0.45 kg.

The User Manual and other additional materials for this device can be found in the AMT Media Center http://media.amt-sales.com/
Battery Power:
Yes, the battery 6LR61 (9v)
Input consumption current (mA):
7
It is for bass guitar:
yes
Power supply included:
no
Range of operating voltage (V):
9-12
The polarity of the power supply connector:
minus is inside, plus is outside
URL of the product on the official website:
http://amtelectronics.com/new/amt-wh-1b/