ART SPLITMix4 Passive Mixer / Splitter

4-channel Passive Mixer with 4 Stereo 1/4" Input Channels and 1 Stereo 1/4" Output Channel with 90dB of Attenuation Per Channel
ART SPLITMix4 Passive Mixer / Splitter image 1
ART SPLITMix4 Passive Mixer / Splitter image 1
Sweetwater Savings: $15.00 MSRP: $65.00
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ART SPLITMix4 Passive Mixer / Splitter
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Lots of Control From This Compact, Affordable Mixer!

The SPLITMix4 is a 4-channel passive mixer that's equipped with four stereo input channels and one stereo output, all on 1/4" connectors. You can mix four stereo input channels down to one stereo output, split a stereo input channel to four stereo output channels, or combine these configurations to meet nearly any need. The SPLITMix4's independent stereo level controls provide over 90dB of attenuation per channel. Designed primarily as a line-level mixer for medium input/output impedances, the SPLITMix4 features a compact desktop-ready format.

ART SPLITMix4 4-channel Passive Desktop Mixer at a Glance:
  • Gives you a wide range of options
  • Fully passive, so it won't add noise or distortion

Gives you a wide range of options
The SPLITMix4 is a fully passive hybrid mixer that offers a wide variety of configurations. Mix 4 stereo input channels down to 1 stereo output, split a stereo input signal to distribute 4 stereo output channels, or combine the configurations for a wide range of applications. You can even configure the SPLITMix4 as 4 stereo input channels thru 4 independent level attenuators to 4 stereo output channels.

Fully passive, so it won't add noise or distortion
The fully passive design of the SPLITMix4 has no active circuitry to add noise or distortion, and virtually any signal level can be handled. The Level attenuators cover a wide range and offer over 90dB of attenuation and channel isolation.

ART SPLITMix4 4-channel Passive Desktop Mixer Features:
  • 100% passive design
  • Four stereo input channels and one stereo output on 1/4" TRS
  • Independent stereo level controls on each channel
  • Offers over 90dB of attenuation
  • Frequency Response: 20Hz-20kHz, +/-1dB
  • THD: <0.005% at 1kHz (typical)
  • Phase Response: <10 degrees at 20kHz
  • Input/Output Connections: 1/4-inch TRS stereo
  • Input Impedance: 25k -100k Ohms
  • Output Impedance: 1k — 4k Ohms
  • Insertion Loss: 12dB (typical)
  • Maximum Attenuation: >90dB (typical)
  • Channel Isolation: >90dB (typical)
  • Power Requirements: None (fully passive)
  • Dimensions (HxWxD in) : 1.85 x 4.6 x 4.1
  • Dimensions (HxWxD mm) : 47 x 117 x 104
  • Weight: 0.84 lbs.
Add a high level of splitting control, in a compact format with the ART SPLITMix4!

Additional Media

Live Mixer Buying Guide

Tech Specs

Type Analog
Channels 4
Inputs - Line 1 x 1/4" TRS (Splitter), 4 x 1/4" TRS (Mixer)
Outputs - Main 1 x 1/4" TRS (Mixer), 4 x 1/4" TRS (Splitter)
Height 1.85"
Width 4.6"
Depth 4.1"
Weight .84 lbs.
Manufacturer Part Number SPLITMIX4

Customer Reviews

Based on 13 reviews
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I love it

This thing is great. I use it to run effects in parallel rather that series in my guitar rig. I split the guitar to an Eventide H9 and a Roger Linn AdrenaLinn one channels 1 and 2 and then return them on channels 3 and 4. I've also used it to increase the number of send on my little Soundcraft mixer. It's not quite like having 4 sends (unless you're only working with on channel) but it's better than having only a single aux send.

cheap, versatile, noise-free

I own 2 of these and love them. The ART SPLITMix4 is a slam dunk. I use them as passive mixers to combine up to 4 inputs from my synthesizers and sound modules. The mixed signal output goes off to either a powered mixer or an amplifier. It's simple, and because there is no active circuitry, you never get electronic noise from this puppy. Of course you have to be careful not to overdrive the next stages along the signal path. Each of the 4 input channels has its own attenuator but no other way to alter the sound (e.g., filters and what-not). I don't use this option, but you can also take a single input signal and split it into 4 outputs. Don't leave home without it!

a little bit pricey but very useful when you need it!

a little bit pricey but very useful when you need it! good quality!

Does what it says on the tin, and then some

So, this does exactly what I wanted it to do, which is mix my TV, HTPC, phone, and anything else straight to my speakers, with no power drain, heat production, or cross-channel feedback/noise. However, it should probably be noted somewhere on the product page that you can combine the splitter/mixer functionalities together, but not 100%... I'll try to explain in words, the best thing would be to include the diagrams that are on the back of the package, which give a much clearer visual indication of the secondary mode. So, the sockets on the back are in two rows of 5 ports each, with the last port in each row being connected to all 4 of the other ports. Those last two ports always function as the mixer/splitter they are labeled as. The other four ports, however, have switches built inside the sockets, that check whether a plug is inserted. The plug doesn't actually have to be wired up to anything, just physically in the socket. If a plug is in both the input and output socket for a given column (not row) the sound for that input will go vertically upwards, through the volume knob on the front, out to the port directly above the input, and NOT to the mixed output at the end of the horizontal row. This lets you, for example, mix three ports and use the remaining volume knob as a pass-through line volume adjuster, without affecting the other three. It also means if you run your entire setup in 1/8" stereo cables (like I do), and buy 10 1/8" to 1/4" stereo adapters, and plug all 10 adapters into the box so you can patch in 1/8" cables as needed, the mixer will NOT work, due to each input being routed upwards instead of horizontally to the mixer output. Once I figured that out, I unplugged all the adapters I wasn't actively using and it worked like a dream. There's also a tiny bit of output volume drop when you patch in each new input for the mixer (I can't speak to the splitter, haven't tested that), but it's way lower of a drop than the old mixer I had, and isn't really noticeable unless you're specifically listening for it. However, if you want to keep your line levels absolutely perfect while swapping inputs, you'll have to adjust the knobs a bit to compensate. The overall build quality is incredibly solid, it's the kind of thing you could toss in a bag with a bunch of heavy microphones and worry more about the mics than the mixer. Knobs are smooth and unnotched, and because it's passive there's no worry of leaving your gain up too high when plugging in sensitive equipment.
Music background: Engineer

swiss army knife

My bass amp only has one input which is very common these days. Fine for on stage, nuisance for teaching. Y- cord is a poor solution, since the settings on two different instruments affect each other. This corrects that problem, and that's really all I was after. But it also functions very well used as a splitter for driving four sets of headphones for recording, IF you have a strong enough headphone output. Don't kid yourself, this is nowhere near as good as having a multi-channel headphone amp, but as a low cost way to hear each other while tracking in a home studio, it gets the job done. The construction is very sturdy, and it does not color the sound at all. II'm sure I will find more uses for this gadget. Fifty bucks very well spent.
Music background: bar band bass player for 50 years
See also: soundboard, ART, ART Line Mixers, ART Analog Mixers