EarthQuaker Devices Four to One Mixer

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EarthQuaker Devices Four to One Mixer

EarthQuaker Devices

Four to One Mixer

4.6 Expert Rating

Product Info

Article Number: 618912
Model: Four to One Mixer
Price: $229.90

* Prices may vary. Check retailer for current pricing and availability.

The Four to One is a seriously useful little mixer for guitarists and bassists wanting to consolidate multiple signals. It’s built like a tank, with those discrete amps delivering a clean, powerful blend – perfect for pedalboards or routing multiple amps. If you're tired of signal spaghetti and need a reliable, compact solution, this is a great choice.

Product Description

  • EarthQuaker Devices Four to One Mixer
  • Compact 4-Channel Mixer
  • For stage and studio applications
  • Four separate amplifiers
  • Separate volume control for each input
  • Best sound quality at all volumes
  • High-quality components and robust design with metal housing
  • Controls for level 1
  • level 2
  • level 3
  • level 4
  • Each with phase switch per channel
  • Input impedance: 1 MOHm
  • Output impedance: 100 Ohm
  • Status LED
  • Metal housing
  • Four 6.3 mm mono jack inputs
  • 6.3 mm mono jack output
  • Power supply via optional 9 V DC power supply unit
  • 2.1 x 5.5 mm barrel connector
  • centre negative
  • Power consumption: 50 mA
  • Dimensions (L x W x H): 121 x 64 x 38 mm
  • Weight: 300 g
  • Handmade in USA

*Note:* Battery operation is not supported.

PROS
  • • Robust metal enclosure offers excellent protection during gigging.
  • • Individual phase switches per channel provide crucial signal shaping.
  • • 1M Ohm input impedance minimizes signal loss from pedals.
  • • Four discrete amplifiers ensure clean headroom and consistent gain.
CONS
  • • Lack of battery operation limits portability for some users.
  • • Limited to four channels; may not suffice for complex setups.
  • • The 100 Ohm output impedance could load downstream gear slightly.

Product Video

Key Features

Effect Type Mixer
Controls Level 1-4, Phase Switch (per channel)
Bypass Type Passive (no true bypass)
Power Supply 9V DC (optional, 2.1mm barrel connector, center negative)
Connections Four 6.3mm Mono Inputs, One 6.3mm Mono Output
Dimensions 121 x 64 x 38 mm

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Frequently Asked Questions

It's not going to rival a studio console, but the discrete amplifier design ensures a surprisingly clean and transparent mix, avoiding the muddy sound often found in cheaper mixers.
Absolutely, the headroom is sufficient to handle multiple gain stages without severe clipping, though careful level balancing is key to avoid a harsh tone.
It's a relatively low impedance; most modern amps and interfaces will handle it fine, but very high-impedance inputs *could* experience a slight signal reduction.

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