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Lehle Parallel SW II Compact Line Mixer Pedal Demo

Line Mixer with Effects Loop, Mix Control, Stereo and Mono Functionality, True Bypass, and Soft Touch Footswitch

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Versatile Line Mixer

The Lehle Parallel SWII is a low-profile line mixer that will help you unlock your sonic potential. The Parallel SWII uses an onboard effects loop that gives you the power to mix your dry signal with effects to create the perfect tone. You can set up the effects loop with your own pedalboard before sending it to the amp, or connect a mixer, keyboard, or other rackmounted gear. Gold-plated connections and Class-A circuitry accept both line level and instrument level sources. To give you greater control over your performance, the footswitch has both momentary and latching modes to let you add a splash of effects or keep it on indefinitely. If you’re ready for a completely new effects experience, try out the Lehle Parallel SWII Line Mixer.

Onboard effects loop with mix control

The Lehle Parallel SWII was built to help you achieve the sound you’re looking for. That’s why it has an onboard effects loop that allows you to achieve two key things. First, you can dial in the perfect mix of dry signal and effects by using the mix controller. Second, you can control the levels of the effects sent and received to limit how much background noise you want in your signal. The Lehle Parallel SWII doesn’t just blend your signal though. You can easily switch between mono and stereo output on the back panel.

Easily handles any combination of amps, instruments and mixers

The Lehle Parallel SWII has Class-A input circuitry and JFET technology that allow it to handle high-impedance signals — such as electric guitar and bass — as easily as low-impedance signals from keyboards and active electronics. For real world applications, this means your Lehle Parallel SWII can be used as a parallel effects looper on its own or with an amp, or as a mixer for two input signals. This means you can keep one pedal isolated from the rest of your board or send a guitar and keyboard through the same PA system. With the high quality circuitry of the Parallel SWII, your input possibilities are endless.

Barefoot-friendly switching

One of the hallmarks of Lehle pedals is the large mushroom-shaped footswitch that’s loved at Sweetwater for its barefoot comfort. That’s not the only reason to love Lehle pedals though. While most most effects pedals on today’s market mount their switches directly to the circuit board, the delicate electronics are more prone to damage. Lehle footswitches are mounted on the pedal’s housing and interact with the circuit board with a spring loaded lever. This major improvement ensures that your Lehle Parallel SWII will last longer than any other pedal on your board.

Lehle Parallel SWII Line Mixer Features:

  • Variable input configuration options allow for flexible applications
  • Onboard mix control dials in the perfect amount of dry signal and effects
  • Class-A input circuitry handles all types of signals
  • Gold-plated contacts provide superior performance
  • Momentary, latching, and mixed footswitch modes enable greater expression
  • Send and Return level controls give you total control over your tone
  • Oversized footswitch is easy to operate with or without shoes
  • Stereo/Mono switch lets you output either signal type

What is Demo Gear?

At Sweetwater, we're so picky that what we call a "demo" is actually better than what most music retailers sell as "new" gear! Our gear hasn't endured hundreds of people a week plunking away at all the keyboards, fumbling through Stairway to Heaven on every guitar or playing with every fader and knob on a mixer or control surface.

What demo means to us is that we've had it out of the box, or maybe it was in a customer's hands for a few days and isn't "factory fresh" as a result. Every demo item we sell has Sweetwater's 2-year Total Confidence Coverage™ warranty, and has been tested and verified up to "new" specs by our factory-authorized technicians to make sure it's in perfect working order before we ship it to you.

When you buy a Demo item at Sweetwater, you get:
  • 2-year Total Confidence Coverage Warranty™!
  • Products inspected and tested by our factory-authorized techs, guaranteed to function like new (or better)!
  • FREE shipping on most items
  • Equipment that will MEET or EXCEED your expectations!

Click HERE to browse our current inventory of Demo equipment. Purchasing demo gear from Sweetwater is a smart and safe way to save!

Warranty Info

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Tech Specs

  • Type: Mono/Stereo Mix Pedal
  • Inputs: 1 x 1/4" TRS (mono/stereo), 1 x 1/4" TRS (return)
  • Outputs: 1 x 1/4" TRS (main out), 1 x 1/4" TRS (send)
  • True Bypass: Yes
  • Power Source: 9-15V DC power supply (sold separately)
  • Power Usage: 200mA
  • Height: 1.85"
  • Width: 4.8"
  • Depth: 3.9"
  • Weight: 1.05 lbs.
  • Manufacturer Part Number: LEParallelSWII

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Customer Reviews

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Rated 5/5

Does what it says it does, perfectly

Huge fan. I started with one in my home studio, now have three, because they offer flexibility without compromising sound quality. I love being able to plug two stereo instruments into this, enjoy them both via preamp or amp without having to re-cable. I also love blending my effects chain into my dry signal to taste (bringing a subtle layer of compression and fuzz into my dry guitar signal is a favorite). Would recommend!
Rated 5/5

Crystal clear sound

This device has transformed my pedalboard. My main signal chain ends in stereo, and I route a stereo loop to a delay that has its own input and output volume pedals. I feed the delay intermittently as I play, often spontaneously.

Previously, I was sending L/R to a pair of splitters. One set of outputs went direct to a small mixer on my board. The other outputs went to the delay, then the mixer. The mixer's output went to my DAW.

Now with the Parallel SW II the splitters are gone, the mixer is gone, and so are all their related audio and power cables. My board is half its previous size.

And my tone comes through crystal clear.
Rated 5/5

The highest quality.

The previous review covers this unit pretty well. This is for people who don't like compromises in signal quality and construction. Very clean and pure tone when looped back to itself with the return and send controls boosted for gain. As quiet as the best studio gear with tons of headroom.

Will probably put a Grace Designs Bix in the input for boost before the send/return loop of the Lehle to get an even mix between dry and wet. The Grace stuff is one of the few product lines that share similar headroom/bandwidth/noise specs.
Rated 5/5

FInally! Stereo!

I used to be sceptical of line mixers, until I wisened up and realized I would not be able to use my Eventide H9 without one. The coloring of my guitar tone running through the H9 in my effects loop frustrated me to no end, to put it mildly. I almost sold the H9 - no analog dry thru meant the MicroPitch algorithm sounded awful. Then, I bought an old Lehle Parallel M line mixer. I hooked up my H9 to that device and was blown away by the improvement. Now THIS is what it's supposed to sound like! In short, the Lehle Parallel takes your dry signal coming from either an effects send or preamp out and gently mixes in the effect (wet) signal, without messing with the dry signal, the core sound of your amplifier that you have dialed in so carefully. The Lehle Parallel M blew me away, but I quickly realized that it was only......mono. I want to be able to run mono, stereo, wet/dry or wet/dry/wet whenever I please, without being limited by my board. I contacted Lehle, who duly informed me that the new Parallel SW II had just been released. Finallly, stereo capability in a compact, pedalboard-friendly line mixer. I called my new Sales Engineer, Ron Parker, who instantly created a pre-order, and called me as soon as the pedal arrived at SweetWater. The pedal arrived two days later.

Impressions: Very high quality construction, quiet as a mouse, non-blinding LED, clever features. Well worth the money. This is professional gear. I will enjoy this for years to come. If you are serious about your tone, take a look at Lehle. I'm glad I did. The Little Lehle III true bypass looper is next!
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