AlphaTheta Euphonia Professional 4-Channel Rotary Mixer

The euphonia produces a euphoric sound with the clarity of digital and the richness of analog that’s never been heard from a DJ mixer before. This is the ultimate integration of vintage and digital.


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AlphaTheta Euphonia Professional 4-Channel Rotary Mixer

To deliver a clearer sound quality that accurately reproduces the expression of the music, the euphonia uses high-quality 32-bit A/D and D/A converters as well as 96kHz/64bit floating point mixing processing operations in the DSP, utilizing the digital signal processing technology AlphaTheta has developed over many years.

Rupert Neve Designs

All sound coming out of the euphonia passes through a transformer circuit co-designed by AlphaTheta and Rupert Neve Designs. These are legendary makers of outstanding analog audio circuitry and mixing desks revered by artists and engineers around the world. This transformer circuit, tuned specifically for the euphonia, adds harmonics to the music. It creates a glossy and energetic sound that’s smoother for mixing.

Specifically, low frequencies such as kicks and bass are more stable and punchy. Mid frequencies like vocals and instruments have more presence and gloss. High frequencies such as hi-hats sound silky and natural. The transformer breaks down the barrier between vintage live and modern electric sounds. Therefore, making mixing easier and surprisingly natural, as if recordings in different styles were originally one piece of music.

Specially Developed Rotary Fader Makes You Feel One With The Music

When you touch the faders on the euphonia, you won’t want to let go. To enhance its intuitive mixing experience, the unit has rotary faders. They feature a brand-new carefully developed design to give you the feeling that you and the mixer are one.

After extensive testing, the perfect knob sizes were chosen, with an elastomer applied to the outer circumference of each to ensure a comfortable and reliable grip as well as a high level of vibration absorption.

The uniquely developed mechanism for the faders also benefits from optimum weighting. You’ll notice a difference in the feel of the knobs when you turn them at different speeds, as a smooth load is applied when you turn a knob slowly for delicate fine-tuning and a limited load level is applied when you turn a knob quickly to instantly reach your intended volume level.

And the fader volume curves have been optimised through feedback from numerous DJs, enabling smooth and natural mixing without equalizing, so you can concentrate on volume control. This innovative fader allows for musical expression that will move your audience and enhance your performance.


Euphonia’s Energy Visualizer For Understanding Overall Sound At First Glance

Get an instant visual grasp of the status of your mix and the balance of track volume levels by glancing at the euphonia’s Energy Visualizer. The euphonia’s uniquely developed Mix Level Meter features a needle meter for each channel so you can visually check the levels for all channels and mix smoothly while keeping the groove going.

You can even keep an eye on the balance of the master output by looking at the Spectrum Analyzer, which helps you keep your mixes sounding consistent and smooth, even in a long set, as you “watch” the euphonia’s output and adjust it to create your perfect sound.

Next-Generation 3Band Master Isolator That Transforms Sensibility Into Sound At Your Will

The size of the isolator knobs is perfect for rapid turns from centre to maximum or minimum. Also, the torque load is perfect for both quick operation and fine sound quality adjustment, with a luxurious feel that’s not too light. The cut-off frequency and slope are set to control and highlight the kick, melody, and rhythm bands in a natural yet sharp manner.

Euphonia’s Brand-New Boost Send For One-Handed Effects Application

Add one of the built-in Send Effects, or an effect from an external unit, to the sound of any of the master isolator frequency bands. Press the Boost Send button for the low, mid, or high and, as you turn the isolator knob. Afterwards, the effect will be apply itself to that band. This enables you to apply effects with a single hand in a way that previously needed two.


Boost Level To Help You Express Your Style

Pick the Boost Level setting that suits your playing style. Afterwards, the volume level of each frequency band will increase by the relevant amount. Choose +12dB for dynamic performances, +6dB for sound quality adjustments, and 0dB for reverb effects without any volume boost.

Built-In Send Fx To Bring Depth And Breadth To Your Sound

The euphonia features 5 built-in spatial effects and a high-pass filter. These are: Delay, Tape Echo, Echo Verb, Reverb, Shimmer, and HPF (high-pass filter). Also, a Send/Return section gives you the option to connect external effects units. A dedicated knob on each channel enables you to adjust the send level going to the selected effect.

The time knob, which allows you to adjust the effect delay and reverb time, has a proprietary mechanism. It’s developed specifically for this unit that automatically switches between a clicking sensation and no-clicking sensation. When using Delay, Tape Echo, and Echo Verb, the knob clicks according to the BPM. Therefore, you can quickly apply effects.

When you use Reverb and Shimmer, there’s no clicking. You can turn the knob freely to perform smooth sweeps or make tiny adjustments to find the perfect setting.

Design That Embodies A New Era Of Rotary Mixer

The euphonia signifies a new era of rotary mixers. Its “two-tone, two-layer” look symbolizes tradition and innovation. The channel strip section, which comprises traditional mixer elements, is distinguishable from the innovative display section by matte and gloss textures. This results in a crisp design that combines analog and digital elements.

The copper colour of the primary knobs conveys the warmness of analog sound. Also, the wood side panels are black to blend in with the overall aesthetic.

AlphaTheta Euphonia Additional Features:

  • Send/Return & Master Insert
  • rekordbox Integration
  • Serato DVS-ready
  • Lockable Power Cord
  • Firmware Update Manager


  • Enhanced harmonics in your music, thanks to a Rupert Neve Designs transformer.
  • Specially developed rotary faders, designed to make you feel at one with the music.
  • Energy Visualizer for understanding overall sound at first glance.
  • Next generation 3Band Master Isolator.
  • Built-in Send FX to bring depth and breadth to your sound.
  • Design that embodies a new era of rotary mixer.


Power Requirements: AC 110 V – 240 V, 50 Hz/60 Hz

Power Consumption: 43 W

Power Consumption (Off): 0.2 W

Main Unit Weight: 9.5 kg/20.94 lbs

Max. External Dimensions (W × D × H):</strong> 429.2 × 331.0 × 119.9 mm/16.90″ × 13.03″ × 4.72″

Tolerable Operating Temperature: +5 °C – +35 °C (+41 °F – +95 °F)</p>

Tolerable Operating Humidity: 5 % – 85 % (no condensation)

Audio Section:

Sampling Rate: 96 kHz


CH Input A/D Converter: 32-bit

Other A/D and D/A Converters: 24-bit

Frequency Characteristic (LINE): 20 Hz – 40 kHz

S/N Ratio (Rated Output, A-Weighted):


PHONO: 88 dB

LINE: 105 dB

MIC: 79 dB

Standard Input Level/Input Impedance:

PHONO: -52 dBu/47 kΩ

LINE: -12 dBu/47 kΩ

MIC: -57 dBu/3.5 kΩ

RETURN: -12 dBu/47 kΩ

Max. Input Level:

PHONO: -17.8 dBu

LINE: +15 dBu

MIC: +2 dBu

RETURN: +12 dBu

Standard Output Level/Load Impedance/Output Impedance:

MASTER: +6 dBu/10 kΩ/360 Ω

REC OUT: -8 dBu/10 kΩ/700 Ω

BOOTH: +6 dBu/10 kΩ/360 Ω

SEND (EXTERNAL): -9 dBu/10 kΩ/700 Ω

SEND (MASTER INSERT): -12 dBu/10 kΩ/700 Ω

PHONES: +8 dBu/32 Ω/1 Ω or lower

Rated Output Level/Load Impedance:

MASTER: +25 dBu/10 kΩ

BOOTH: +25 dBu/10 kΩ

Crosstalk (LINE): 82 dB

Channel Equalizer Characteristic:

HI: -26 dB – +6 dB (20 kHz)

MID: -26 dB – +6 dB (1 kHz)

LOW: -26 dB – +6 dB (20 Hz)

Microphone Equalizer Characteristic:

HI: -12 dB – +12 dB (10 kHz)

LOW: -12 dB – +12 dB (100 Hz)

BOOTH Equalizer Characteristic:

HI: -12 dB – +6 dB (10 kHz)

LOW: -12 dB – +6 dB (100 Hz)

MASTER ISOLATOR Characteristic:

Slope: 18 dB/oct

Cut/Boost: OFF – X dB (X = 0, +6, +12)

Crossover Freq.: 250 Hz/3.5 kHz

Input/Output Terminals:

PHONO Input Terminal: RCA pin jacks (4 sets)

LINE Input Terminal: RCA pin jacks (4 sets)

MIC Input Terminal: XLR connector & 1/4” TRS jack (1 set)

RETURN Input Terminal: 1/4” TS jack (2 sets)

DIGITAL IN Coaxial Input Terminal: RCA pin jacks (4 sets)

MASTER Output Terminal: XLR connector (1 set)

BOOTH Output Terminal: 1/4” TRS jack (1 set)

REC OUT Output Terminal: RCA pin jacks (1 set)

SEND Output Terminal: 1/4” TS jack (2 sets)

PHONES Output Terminal: 1/4” stereo jack (1 set), 3.5 mm stereo mini jack (1 set)

USB Terminal: USB Type-C (1 set)

For more information, please visit the manufacturer's website.