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Availability: In stock. Orders placed now ship in 1-3 business days.

SYS stands for "switch your, er...schtuff." Sys is a simple, 2-input passive preamp. No electronics. No power. No distortion. Just a 2-way switch and a potentiometer.

Huh? Why would you want such a thing? Well, if you've ever wanted to use one of our DACs with powered monitors, Sys puts the volume control right at hand. Same goes for using two sources with one of our headphone amps—use Sys to switch between a DAC and a phono preamp, for example.

And, you don't have to use Sys with our gear at all. It's a simple, high-quality, passive preamp that works with pretty much any line-level source.

Made in USA

By “made in USA,” we mean made in USA. The vast majority of the total production cost of Sys—chassis, boards, assembly, etc—goes to US companies. Our board house is 20 minutes away from our office in Newhall. Our chassis guys are just over the hill in the Valley.

2-Year Warranty and 15-Day Return Policy

SYS is covered by a limited warranty that covers parts and labor for two years. That’s 2x the warranty of most of the products in this price range. If you don’t like your SYS, you can send it back for a refund, minus 15% restocking fee, within 15 days of receiving it.

Number of inputs: 2 (stereo RCA)
Number of outputs: 1 (stereo RCA)
Input impedance: 10k ohms
Output Impedance: 5k ohms maximum
Size: 5 x 3.5 x 1.25”
Weight: 1 lb
 

Hey, this is cool! Can I use it between my DAC and a pair of powered monitors?
Yep, that's exactly what it's meant for.

How about if I have a CD player, too?
Sure. Add it as a second input, and you can switch between them. Double the fun!

How about a phono preamp?
Yep, that works too. As do iPods, iPads, computers, Android phones, iPhones, Android tablets, Windows computers, Mac computers, DVD players, Blu-ray players, cassette players, tuners, digital radio receivers, or anything else with line-level output.

Hey, but iPods have a 1/8" jack, not dual RCAs!
Yes, and wonderful people make amazing things like this cable.

Can I use it with a power amp?
Absolutely, you can use SYS to connect two sources to any power amp with RCA inputs, and control the volume.

Hey, I just want a switch, not volume control.
Turn the volume all the way up and use the switch.

Hey, I just want volume control, not a switch.
Then just use one input.

Hey, can you use this in reverse to switch 1 input to two outputs?
Yes, with the volume all the way up. But why not just use RCA Y-cables or splitters, like these?

Okay, let's be serious. This is one cheap little gadget. What's the downside?
The downside to a passive preamp is exactly that—it's passive. That means there are no electronics in it. Which means it can't drive really long cable runs. If you're expecting to run 35' RCA cables to your power amp, Sys isn't going to be the best option. If you're running 6' cables to desktop speakers, that's not a problem. We'd be careful with anything longer than 15' on Sys, depending on the cable type.