SKU: 3413071756
audio probe guitar pedal

audio probe guitar pedal Zvex Wah Probe – Big City Music

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Description

audio probe guitar pedal Zvex Wah Probe – Big City MusicThis effect is a natural continuation of the probe series the fuzz factory probe, the volume control manual tremolo probe, and now a wah. It's probably exactly what you think it is: a theremin style antenna controlling a wah, getting brighter as your foot approaches. It has one extra feature, however. There's a Super Hard On boost circuit in front of the wah, with a knob to set the exact level of boost for driving your wah sound. It can be turned up

This effect is a natural continuation of the probe series... the fuzz factory probe, the volume control/manual tremolo probe, and now a wah. It's probably exactly what you think it is: a theremin-style antenna controlling a wah, getting brighter as your foot approaches. It has one extra feature, however. There's a Super Hard-On boost circuit in front of the wah, with a knob to set the exact level of boost for driving your wah sound. It can be turned up high enough to make the wah crack up a little for that "something's gonna blow" sound. It gets pretty darn loud!

The probe circuit generates a small (one or two inches high) "bubble" of RF energy at about a million cycles per second above the copper plate. As your foot or hand (or any wet or metallic object, for that matter) approaches the copper plate, the RF field is disturbed and the circuit reacts by increasing the brightness of an LED, which drives a photoresistive cell and controls the Z. Vex wah circuit. The wah circuit is actually the Seek-Wah sound circuit without the sequencer control. It's also the same wah circuit as the one in The Drip guitar that I make. The only difference is the boost circuit in this Wah Probe model.

Adjustments: The simplest one of these is the volume level of the "drive" knob... just set it so that when you kick on the wah it's doing its stuff at the right intensity. It goes from slightly lower than the normal guitar volume to completely bonkers when turned up all the way. I personally don't think it's necessary to turn it up all the way, in fact, it seems to pretty much obliterate the wah sound, but, to each his own. Abuse those transistors, please!

The next adjustment is the RF field screwdriver adjustment on the bottom of the pedal. If you turn it in the direction of the arrow (usually to the left for that one) it will make the probe circuit more sensitive and set the "bottom" setting of the wah higher and higher. It's best to hold the pedal completely upside down so that the cords are dangling away from the antenna, with your hand and arm completely away from the antenna, and strum your guitar's open strings (you probably have to have it on a stand or strapped on) thru the Wah Probe. Gently adjust the RF pot with a tiny screwdriver in the direction of the arrow until you hear the wah get to the level you'd like it to be when you are not putting your foot near it. There's a region where the sound of the guitar is kind of "muffled" and the wah kicks in after your foot gets near the pedal, which is how i ship the unit. If you like the wah to be partway cocked into the lower wah region just park the adjustment right where you like it. As you get closer to the unit, it will wah higher.
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SKU: 3413071756

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D. Dawson
Cuba, US
★★★★★ 5
Nice comfort and warm seat cover
Color: Pearl, Size: Front Seat Cushion-1 Pc
Used when traveled to Florida and back (3,000+ miles). Nice comfort and fit onto my Honda CRV seat good. It has straps and clips to hold it in place and rubber backing to keep it from moving around. In the winter it warms you up quickly, added bonus not expected. The quality is good, not problems with piling, or coming apart.
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Reviewed in the United States on December 29, 2025
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Verified Purchase
Bandit
Draper, US
★★★★★ 5
Best car seat cover!
Color: Grey, Size: Front Seat Cushion-1 Pc
The real deal! Comforting and saves my light colored seats. Works fine with heated seats too!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026
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Amazon Customer
Alexandria, US
★★★★★ 5
Soft
Color: Pearl, Size: Front Seat Cushion-1 Pc
This is great to add abit of space and softness to a seat.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
K
Verified Purchase
Kelsey
Belleville, US
★★★★★ 3
It’s great quality in terms of the fur, but the non-slip aspect lacks.
Color: Pearl, Size: Front Seat Cushions-2 Pcs
I wanted this not to provide extra cushion - although it does. I got this more to protect my seats in my sedan because they are tan in color and a suede-type material. So my jeans would bleed blue or black pants ect… would cause problems. It works perfectly for the purpose I wanted it for. I no longer damage my seats, and it does not appear that my pants colors bleed into the sheepskin either. Or at least it’s so minimal I have not noticed. I even spilled a bit of water by accident, and it came off very easily too so that’s a bonus. It’s lacking in the non-slip department. I understand the bottom is designed to be non-slip, and I do utilize the clips that attatched into the seat (the clips just slide out). Despite this is slips often. It’s not a deal breaker, but it was very disappointing. It’s frustrating to re-adjust. The gripping material underneath is not super textured like I thought. The clips not working as indented is also annoying. They don’t provide any gripping it just comes out no matter how hard I push inward. Also, the color I bought is slightly different from what I received. I know colors vary from photo to life, but it seemed like the color was just off a tad. It was supposed to be a lighter beige according to the photo, but it’s darker. Not a deal-breaker again, but something to consider. It was close enough for me. Overall still a good purchase, but depending on why you are buying these things may stand out to you.
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Reviewed in the United States on August 15, 2023
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joleido
Houston, US
★★★★★ 5
Softest ever
Color: Pearl, Size: Front Seat Cushion-1 Pc, Color: Pearl, Size: Front Seat Cushion-1 Pc
I love this cushion.SoSoft, covers entire recliner seat and even gives it a luxurious look. Perfect thickness. Decent price. I am happy with it.
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Reviewed in the United States on February 6, 2026

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