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JHS Pedals JHS Little Black Amp Box Signal Converter

  • Based on 1,250 reviews
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Availability: In Stock.
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Arrives Monday, Sep 1
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Features

  • Tames a Screaming loud tube amp by running through the effects loop and Controlling the amount of signal sent to the Power section
  • Lets you Really push the front end of Your amp for the natural feel and tone that you cant get any other way
  • Retain the response and tone of Your amps Sweet spot at lower levels
  • High grade components keep Your tone clear and pure
  • Passive Design Doesnt require any Power
  • Designed to be Compact, sturdy, and Simple to integrate into Your rig
  • Can easily be mounted underneath Your pedalboard

Description

Taming a screaming-loud tube amp doesn’t always require bulky and expensive load boxes and attenuators. If your amp has a series effects loop, the JHS Pedals Little Black Amp Box takes care of the job while being able to fit into the palm of your hand. Simply run it through your amp’s effects loop and control the amount of signal you send to your amplifier’s power section. You’ll love the way the Little Black Amp Box lets you really push the front end of your amp for the natural feel and tone that you can’t get any other way. And your bandmates, sound engineer, parents, neighbors, significant other, and pets will love the way it can keep your volume down to bedroom levels.

Brand: JHS Pedals


Style: Little Black Amp Box


Color: Black


Voltage: 9 Volts


Controls Type: Footswitch


Item Weight: 7.7 ounces


Product Dimensions: 6 x 3 x 3 inches


Item model number: Little Black Amp Box


Is Discontinued By Manufacturer: No


Date First Available: December 10, 2012


Color Name: Black


Connector Type: 6.35mm Jack


Signal Format: Analog


Output Wattage: 5 Watts


Power Source: Corded Electric


Voltage: 9 Volts


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Sep 1

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Cook your tubes at household volume
Just bought a Hot Rod Deluxe which is notorious for its linear volume knob. I popped this baby in the effects loop and now I can play at reasonable levels while still pushing the preamp tubes. I guess there’s a few important things to know if you’re interested in this so I’ll get info as much as I can think of... This is a passive volume pedal. It’s pretty much the same as having a passive volume pedal in your effects loop except you control volume with a knob instead of a rocker pedal. It doesn’t need a power supply and uses a knob instead of a rocker. Technically you could just use a volume pedal if you don’t want to spend the money on this. This pedal basically adds a master volume control to your amp which will let you get your preamp tubes cooking but not the power tubes. I like preamp distortion but if you’re looking for power tube distortion you absolutely cannot get it with this. Only a load box or attenuator will allow you to get power amp distortion from your amp. This is absolutely not a substitute for an attenuator or load box. All that said, I love it. I’ve got a 10 month old baby and a wife who (like most wives) isn’t a big fan of hearing my amp echo through the house when I play. I would say I play at bedroom levels but everyone’s definition of that is different. My bedroom level is slightly louder than what my 17 year old self would consider bedroom levels. Either way, I’m able to play at a reasonable level and the amp sounds great. I’m able to turn the amp up to between 6 and 8 which is my sweet spot for the Hot Rod Deluxe and I have this pedal set at about 2 and it’s a great balance between being able to hear the amp’s tone and having the level at a point where my wife can still hear it but it’s low enough for her to tune it out and watch Twilight or whatever Harry Potter marathon is playing on TV. This is also a great tool for recording. A lot of people think that you can just send a line out from the effects loop to your interface and use an IR to record loud guitars but that’s only half the story. Even your interface can be overwhelmed if your signal is too hot and you’ll get clipping. If you’re in a situation like that then this box will work regardless of whether you’re using a tube amp or solid state. Bottom line: awesome for tube amps or amps without a master volume. This is a really easy circuit to build yourself like everyone says but forget that. I’m happy to pay less than $40 to have it done for me by a reputable company and delivered within a day or two. ... show more
Reviewed in the United States on December 5, 2019 by Bill P.

  • This definitely reduces the sound of loud amps and lets you play them in a lot more environments
I was surprised with this device. JHS typically makes high quality guitar effects pedals but I wasn't sure how well this utility pedal was going to work. I did a lot of of research and watched videos where people demoed this attached to their amp. I am skeptical sometimes because you need to often try it for yourself to see how well it works. This was the most simple and cost effective solution I have found to reduce the sound of a very loud tube amp. This allows me to use my Fender Blues Deluxe Reissue 40 watt amp in my bedroom. Some of these Tube Driven Fenders are known to be extremely loud while trying to practice with it in your home. You normally need to play with the volume and try to find a spot between 1 and 2 that is just right. When you do this though you lose a lot of the warmth or natural distortion of an overdriven tube amp. For this product you just need to place it in the effects loop on the amp and you can crank up your amp's volume or drive to get those warm or distorted tube sounds without the extreme volumes. One volume knob on the Little Black Amp Box allows you to dial in the volume you need. Couldn't be more simple and works great!!! If you are not professionally recording with your amp or something skip the expensive power attenuator options and get one of these instead. ... show more
Reviewed in the United States on January 13, 2025 by InformationStation

  • My Hot Rod Deluxe is usable at bedroom volumes and sounds better than ever
The Fender Hot Rod Deluxe is a staple amp for me. The clean channel, especially when driven hard, is one of the best clean sounds I’ve heard at any price range. (To my ears... it’s all subjective, but I am not alone here.) But the amp has a major flaw: The volume pot is awful. Turn it just a hair up past zero, and it’s already too loud to play indoors. Turn it to 2 and it’s deafening. Go beyond 2 and it sounds amazing, but it is deafening. Enter the JHS little amp box. The always on (and series) nature of the Hot Rod Deluxe effect loop is a perfect match for the little amp box. Plug it in, set volume very low on the JHS, crank the amp volume to get the preamp tubes “happy” and slowly add in volume with the JHS box. Nice breakup, nice warm tone, and all at a usable volume. Does it sound as good as when fully cranked? No. The speaker won’t be stressed nor will the power amp, but warming up the preamp stage sounds great. An EQ pedal could have the same effect (and more) in the loop, BTW. Mine is being used with a different amp, however, and the little black amp box was a cheaper solution. Very effective and sounds great. ... show more
Reviewed in the United States on April 13, 2021 by engineering_enthusiast

  • Works great - but trying to be too Apple-like with lack of any markings
Product is great. It performs several functions for me. 1. I can provide a hotter signal to the amp (fx loop) without increasing volume. 2. I can use this turn down all channels of my amp to very very quiet levels, yet maintain a lot more gain than if I attempted to try and find that spot between 0.1 and 1.0 where it's not too loud. However: For a device touted as simple, its odd that it requires a glance at instructions to use. One would never know what end is input and what end is output. In fact, it's one marking (looks like a speaker maybe?) would cause one to wire it backwards. Words and abbreviations are pretty useful, I use them every day, JHS decided we are too stupid or lazy to read words anymore. The knob also is not given any markings. I've seen instructions stating turn it towards the graphic, but since it's a potentiometer, both directions are towards the graphic. This aspect is especially important with JHS pedals because they seem to be the only pedal maker in history to reverse the pot orientations, for instance some of the Angry Charlie pots increase the value as you turn the knob left. Nice helpful tool, I just wish it did not present confusion with no useful markings on the device. ... show more
Reviewed in the United States on August 20, 2019 by pizelli

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