Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 13 - Jul 18
For Your Every Summer RSVP, with Code: SUMMER15
Description
EARTHQUAKER DEVICES FOUR TO ONE MIXER routerThe Four to One mixer is a simple and compact 4 channel mixer with independent level controls and selectable phase for each channel. This was primarily designed to be used with our One to Four Splitter to create 4 parallel signal paths, but it can be used just about anywhere you need to mix four different sources into a single output. This high headroom device features a high 1 Mohm input impedance and a low 100 ohm output impedance ensuring all
The Four to One mixer is a simple and compact 4 channel mixer with independent level controls and selectable phase for each channel. This was primarily designed to be used with our One to Four Splitter to create 4 parallel signal paths, but it can be used just about anywhere you need to mix four different sources into a single output. This high headroom device features a high 1 Mohm input impedance and a low 100 ohm output impedance ensuring all signals maintain their sonic integrity, even on long cable runs. The high headroom input impedance of this device allows it to accept a variety of instruments without distortion or clipping: guitars, basses, synthesizers, drum machines, and more! The Phase selector switches for each channel will make sure to correct any issues you might have from mixing multiple different signals with opposing polarities. When used in conjunction with the Four to One Splitter and our Flexi Loops™, you can create wild parallel signal paths at the flip of a switch! "¢ Phase -/+: Use this to select the output phase of the channel. Sometimes other pedals and various instruments will invert the phase of the signal, which causes major problems when mixing with other non-inverted signals. If you have a signal that is inverted, flip the phase switch to -" and the polarity will be corrected. In most cases, this switch should stay in the "+" position. "¢ Level: Adjusts the output volume of the channel."Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 262 reviews
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Product Reviews
★★★★★ 5
Versatile quality product.
Size: Upgrade - For Model Y Juniper/Model Y/Model 3, Size: Upgrade - For Model Y Juniper/Model Y/Model 3
The beauty of this phone holder in my Tesla Y is that it can be moved from corner to corner based on needs without worry of sticky glue issues… current setting is lower right corner and happy with things so far. Will absolutely update if my feelings change but so far I’m stoked with the purchase. Also the discount didn’t hurt either $$
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Reviewed in the United States on July 29, 2025
★★★★★ 5
Almost perfect
Style: Screen+Charger
Solid mount. I’ve tried other ones but they don’t sit as nicely as this one. It also has a lot of adjustments to allow for using it any way you need it to so it is very versatile. The magnet strength is really good and holds my phone really well. Sometimes it feels too strong which I guess is a good thing. The charging works well but I wish the cable was a little longer
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Reviewed in the United States on April 21, 2026
★★★★★ 5
Great Phone Mount
Style: Screen+Charger
Works great! It’s been a fantastic upgrade for my car. The installation was quick and seamless, and it fits perfectly with the Tesla interior. The wireless charging stays fast and stable. I highly recommend it.
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Reviewed in the United States on May 13, 2026
★★★★★ 4
Almost Perfect But With Workaround it Rocks
Style: Dash+Screen+Qi2 Charger, Style: Dash+Screen+Qi2 Charger
This works almost perfectly in my Tesla, with one small tweak for hot summer conditions. It holds my phone very well overall—I position it slightly off-center at about the 10 o’clock position. However, with a larger phone like the Galaxy S25 Ultra, the combination of weight and summer heat can cause the mount to slowly rotate as the suction cup loses some grip.
I found a simple fix that works extremely well: applying a small amount of rosin (the same kind used for violin bows) to the friction point where the rotating arm meets the suction base. That added grip completely solved the issue. Now the mount stays exactly where I position it, even in the heat.
Solid product, and with that minor adjustment, it performs exactly how I need it to.
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Reviewed in the United States on May 3, 2026
★★★★★ 5
Great product.
Style: Holder+Dash+Vent+Windshield
This worked perfectly in my vehicle making hands free driving easy. Installation was very simple, easy to charge my phone in this mount. Very stable, my phone never fell out or off.
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Reviewed in the United States on April 25, 2026
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