Two-channel Audio Combiner & Mixer
The MIX 2:1™ is a simple yet highly useful mixer that passively sums two audio channels down to one. This enables you to easily sum the stereo outputs of a console, recording interface, or portable playback device down to mono, or to mix any two signals together and balance their relative input levels.
FEATURES
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Mix two channels to a single mono output
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Individual level controls can be bypassed when not in use
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Balanced 1/4″ TRS and XLR inputs
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Completely passive, no need for power
On
Individually activates each input.
Input Trim
Sets the amount of attenuation applied to each input.
180°
Used to invert the polarity on Input-2, to correct for cancellation when summing out-of-phase signals.
Level Bypass
Set & forget switch bypasses the level controls on inputs 1 and 2. When this switch is engaged both inputs are summed together equally.
Output
Mono XLR output is balanced to feed a powered speaker, mixing console, or a recording interface.
Inputs
TRS 1/4" or XLR connectors are available for inputs 1 and 2.
Ground Lifts
Lifts the audio ground path on the XLR and 1/4" inputs to reduce buzz and hum from ground loops.
Combine two balanced mic or line-level signals
The MIX 2:1 makes it easy to sum together any two signals, whether it's two microphones on a single guitar amplifier, or the stereo line outputs of a mixing console. At the inputs of the MIX 2:1, both ¼" TRS and XLR connectors are available, with ground lift switches to eliminate buzz and hum from ground loops and ensure noise-free operation. A trim control is also featured on each input, so if you are connecting two separate mono sources such as the outputs of two mic preamps, they can each be attenuated as needed to match their levels at the output. After both signals are passively summed together, they feed a single XLR output that can be connected to a powered speaker, or the input of a console or recording interface.
SPECIFICATIONS
Audio circuit type: Passive mixer
Frequency response: 20Hz to 20kHz
Dynamic range: >133dB
Total harmonic Distortion: >0.005% @ 0dBu
Intermodulation Distortion: >0.002% @ 0dBu
Phase Deviation: 0° @ 20Hz, 0° @ 1kHz, +2° @10kHz
Input Impedance: 8 kΩ
Output Impedance: 1 kΩ
Common Mode Rejection Ratio: >80dB
Noise Floor: -113dBu
Maximum Input: >+ 20dBu
General
Construction: 14-gauge steel chassis and outer shell
Size (L x W x D): 5" x 3.25" x 1.85" (12.7 x 8.3 x 4.7cm)
Weight: 1.48lb (0.67kg)
Shipping size (L x W x D): 6.25" x 4.12" x 3" (15.9 x 10.5 x 7.6cm)
Shipping weight: 1.77lb (0.8kg)
Power: Passive, no power required
Conditions: For use in dry locations only between 5°C and 40°C
Warranty: Radial 3-year, transferable
