Rolls MX122 MiniMix Pro Mixer Quick Start Guide

Rolls MX122 MiniMix Pro Mixer

SPECIFICATIONS

• Input Impedance: Line: 10 K Ohms unbal.
• Mic: 10 K Ohms bal.
• Phantom Power Voltage: +15 VDC
• Output Impedance: 50 Ohms bal
• Max Input Level: +24 dBV line, -8 dBV microphone
• Phase Shift: < 10 deg. 20 Hz – 20 kHz
• Connectors: 8: 1/4” TS Inputs, 1: XLR Mic Input 3: 1/4” TRS, 1: 1/8” (3.5mm) Outputs
• Max Gain:
  • 26 dB Line
  • 26 dB Aux
  • 80 dB M ic
• Mic CMRR: 95 dB
• S/N Ratio: >90 dB
• THD: < .004%
• IMD (SMPTE): < .004%
• Self Noise: < – 82 dB
• Power: 9-15 VDC
• Size: 8.4” x 1.7” x 5” (21.3 x 4.3 x 13 cm)
• Weight: 2.5 lbs (1.14 kg)

Thank your for your purchase of the Rolls MX122 MiniMix Pro Mixer. The MX122 is a line-level mixer featuring a single mic input and four channels of stereo inputs.

FEATURES

• 1 XLR balanced Mic Input with rear panel Trim control
• +15VDC Phantom Power
• 4 individual 1/4” Stereo Inputs
• Balanced 1/4” TRS Outputs
• Balance control on each channel (Pan on the Mic channel)
• Headphone / Auxiliary Outputs
• External Power Supply included for low noise operation

PRODUCT HIGHLIGHTS

Channel One

• Mic Level: Adjusts the signal level of CH 1 XLR mic input.
• Pan: Adjusts the relative level of the microphone signal to the Right and Left Outputs.
• Note: Channels Two through Five are identical.

Channel Two – Five Section

• Level: Adjusts the overall signal level of the channel.
• Bal: Adjusts the relative level of the channel signal to the Right and Left outputs.
• Master Level: Controls the overall output level of the MX122.
• Phone/Aux Level: Adjusts the output level of the Phone/Aux Outputs.
• Phone/Aux Outputs: 1/4” and 1/8” (3.5mm) TRS stereo jacks for monitoring the master right and left signals, also may be used as an alternative stereo output for connecting to another stereo amplier.
• PWR: Indicates that the MX122 is connected to an AC outlet and is on.

• 15 VDC: Connects to the included Rolls PS27s 15 VDC power supply.
• Master Outputs Right and Left: 1/4” TRS balanced main output jacks. For connection to an amplier, recording device or signal processor.
• Mic Input Channel 1: Balanced XLR jack for connection to a condenser or dynamic microphone.
• Phantom Power: Switch for applying +15V phantom power to the Mic XLR Input jack.

Channel Inputs

Note: Channels Two through Five are identical.

• Right / Left: 1/4” TS unbalanced jacks for connection to the right and left outputs of a stereo instrument. If a mono signal is being sent, use the Right input, for a Tip-Ring-Sleeve stereo signal, use the Left input.
• Mic Trim: Adjusts the initial gain of the Mic preamp circuitry.

TROUBLESHOOTING

Power and Sound Issues:

• Ensure the mixer is connected to a working power source and switched on.
• Check the power supply for proper functionality.
• Inspect both internal and external fuses for damage.

Audio Distortion or Noise:

• Confirm secure cable connections between inputs and outputs.
• Gently wiggle cables to detect loose connections and reseat or replace them.
• Adjust input gain levels to prevent audio distortion and avoid excessively high signal levels.
• Address humming noises by using ground loop isolators if needed.

Channels Not Functioning:

• Verify that audio sources are correctly linked to the mixer’s inputs.
• Check individual channel settings, including volume faders, muting status, and pan controls.
• Test multiple channels to isolate the issue.

Microphone Problems:

• If using microphones, ensure they are operational by testing them with another audio device.

EQ and Effects Challenges:

• Review the equalization settings for each channel and adjust as necessary.
• Confirm the activation and levels of onboard effects if applicable.

Feedback Concerns:

• Prevent feedback by adjusting microphone placement and gain settings. Avoid placing microphones too close to speakers.

No Output Signal:

• Raise the master output volume to an audible level.
• Check the main mix routing to ensure audio is directed to the intended outputs.

FREQUENTLY ASKED QUESTIONS

What is the Technaxx BT-X44 Bluetooth Microphone?

The Technaxx BT-X44 is a versatile Bluetooth microphone designed for wireless audio recording, singing, karaoke, and voice amplification with compatible devices.

How does the Bluetooth functionality work on the BT-X44 microphone?

The BT-X44 microphone connects wirelessly to Bluetooth-enabled devices, allowing you to stream audio, sing along with songs, and make hands-free calls.

Is the microphone compatible with smartphones and tablets?

Yes, the BT-X44 microphone is compatible with smartphones and tablets that support Bluetooth connectivity.

Can I use the BT-X44 microphone for karaoke?

Absolutely, the BT-X44 microphone is suitable for karaoke sessions, allowing you to sing along with your favorite songs using Bluetooth audio.

What is the microphone's wireless range when using Bluetooth?

The Bluetooth range may vary, but it typically covers a range of 10 meters, giving you flexibility in movement during use.

Does the microphone have built-in audio effects or voice modulation?

Some models of the BT-X44 microphone may include built-in audio effects or voice modulation features for added fun and creativity.

What is the microphone's battery life on a single charge?

The battery life may vary, but it typically provides 5 to 10 hours of continuous use on a single charge.

Can I use the microphone as a speaker for music playback?

Yes, the BT-X44 microphone can also function as a speaker, allowing you to play music directly from your paired device.

Is there a recording feature on the BT-X44 microphone?

Some models may include a recording feature, enabling you to record your performances and audio directly to your paired device.

Is the microphone suitable for public speaking and presentations?

Yes, it is suitable for public speaking engagements, presentations, and voice amplification, providing clear and wireless audio.

What accessories come with the BT-X44 microphone?

In the box, you'll typically find the Technaxx BT-X44 Bluetooth Microphone, a USB charging cable, a user manual, and any additional accessories provided by the manufacturer.

Can I use the microphone with voice assistant apps like Siri or Google Assistant?

Yes, you can use the microphone's Bluetooth functionality to activate and interact with voice assistant apps on your paired device.

Is the BT-X44 microphone compatible with Windows and Mac computers?

Yes, you can connect the microphone to Windows and Mac computers with Bluetooth capability for audio recording and voice communication.

Where can I find additional resources, user manuals, and support for the Technaxx BT-X44 microphone?

You can find additional resources, user manuals, and customer support information on the Technaxx website and through authorized Technaxx dealers.

What is the warranty for the Technaxx BT-X44 Bluetooth Microphone?

Warranty coverage may vary, so it's recommended to check the warranty details provided by Technaxx or the retailer at the time of purchase.

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