1. Introduction
Thank you for purchasing the Edifier MR4 42W Monitor Speakers. These 2.0 channel active near-field speakers are designed to provide accurate and high-quality audio reproduction for various applications, including music production, gaming, and general multimedia use. This manual will guide you through the setup, operation, and maintenance of your new speakers to ensure optimal performance and longevity.
2. Key Features
- High-Quality Drivers: Equipped with a 1-inch (approx. 25mm) tweeter unit and a 4-inch (approx. 106mm) mid-bass unit for balanced sound.
- Powerful Output: Delivers a total output of 42W (21W + 21W).
- Wide Frequency Response: Reproduces audio across a frequency range of 60Hz - 20KHz.
- Versatile Inputs: Features TRS balanced, RCA unbalanced, and AUX (3.5mm stereo mini-plug) input options.
- Mica Composite Diaphragm: The mid-bass unit utilizes a mica composite diaphragm for enhanced rigidity and natural detail, improving low-frequency performance and mid-range clarity.
- Professional Tuning: Tuned using the German KLIPPEL system and extensive acoustic laboratory testing to achieve a flat frequency response curve essential for monitor speakers.
- Digital Signal Processing (DSP): Incorporates a high-quality TI ADC chipset (SNR 99dB) and 24-bit high-precision digital audio processing, including a parametric equalizer, dynamic compressor, and limiter.
- Dual Modes: Optimized for two modes: Monitoring Mode for accurate sound reproduction in music creation, and Music Mode for an enhanced listening experience.
- Front-Mounted Controls: Convenient front-mounted volume knob, power switch, and headphone output.
3. Package Contents
Please check the box for the following items:
- Speaker unit (1 set, consisting of 2 speakers)
- Speaker connection cable (approx. 2.4m)
- RCA to 3.5mm stereo mini-plug cable (approx. 1.7m)
- 3.5mm stereo mini-plug to 3.5mm stereo mini-plug cable (approx. 1.7m)
- Power cable
- User's Guide (multi-language)
Image: Edifier MR4 speakers with all included accessories and user manual.
4. Setup Instructions
4.1 Speaker Placement
For optimal sound, place the speakers on a stable, flat surface, such as a desk or speaker stands. Position them to form an equilateral triangle with your listening position, with the tweeters at ear level. Ensure there is adequate space behind the speakers for proper airflow and cable connections.
Image: Edifier MR4 speakers positioned on a desk in a studio environment.
4.2 Connecting the Speakers
- Connect the passive speaker to the active speaker using the provided speaker connection cable. Ensure the positive (+) and negative (-) terminals on both speakers are matched correctly.
- Connect the power cable to the active speaker and then to a power outlet (100-240V 50/60Hz compatible).
4.3 Audio Input Connections
The MR4 speakers offer multiple input options:
- TRS Balanced Input: For professional audio equipment like audio interfaces or mixers. Use 6.35mm TRS cables.
- RCA Unbalanced Input: For consumer audio devices like CD players, TVs, or gaming consoles. Use RCA cables.
- AUX Input: For connecting devices with a 3.5mm headphone jack, such as smartphones or laptops. Use the provided 3.5mm stereo mini-plug cable.
Image: Rear panel of the active speaker, highlighting the TRS and RCA input options.
5. Operating Instructions
5.1 Power On/Off and Volume Control
The main control knob on the front of the active speaker serves multiple functions:
- Power: Press and hold the knob for 3 seconds to turn the speakers on or off.
- Volume: Rotate the knob clockwise to increase volume and counter-clockwise to decrease volume.
Image: Front panel controls including the multi-function knob, AUX input, and headphone jack.
5.2 Input Selection
Briefly press the main control knob to cycle through the input sources (TRS, RCA, AUX). An indicator light will change color to show the currently selected input.
5.3 Mode Switching (Monitor/Music)
The MR4 speakers feature two distinct sound modes:
- Monitoring Mode: Provides a flat frequency response for accurate audio monitoring, ideal for music production and mixing.
- Music Mode: Offers a slightly enhanced sound profile for general music listening, providing a more engaging experience.
To switch between modes, quickly double-press the main control knob. The indicator light will change to confirm the mode change.
5.4 Headphone Output
Connect headphones to the 3.5mm headphone jack on the front panel for private listening. When headphones are connected, the speaker output will automatically mute.
5.5 Tone Controls
On the rear panel of the active speaker, you will find knobs for adjusting the bass (Low/Bas) and treble (High/Haut) frequencies. Adjust these to fine-tune the sound to your preference or acoustic environment.
6. Maintenance
To ensure the longevity and optimal performance of your Edifier MR4 speakers, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to wipe the speaker surfaces. Avoid using abrasive cleaners, waxes, or solvents as they may damage the finish.
- Placement: Keep speakers away from direct sunlight, heat sources, and excessive moisture. Ensure good ventilation around the speakers.
- Handling: Handle speakers with care. Avoid dropping them or exposing them to strong impacts.
- Power: Disconnect the power cable from the wall outlet if the speakers will not be used for an extended period.
7. Troubleshooting
If you encounter any issues with your Edifier MR4 speakers, please refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound | Power not connected or turned on. Incorrect input selected. Volume too low. Cables loose. | Ensure power cable is securely connected and speakers are turned on. Press the control knob to cycle through inputs. Increase volume. Check all audio cables for secure connection. |
| Distorted sound | Volume too high (source or speaker). Damaged cables. Input signal too strong. | Reduce volume on both the source device and the speakers. Try different audio cables. Ensure input signal level is appropriate for the speakers. |
| One speaker not working | Speaker connection cable loose or damaged. Source device balance setting. | Check the speaker connection cable between the active and passive speakers. Verify the balance settings on your audio source device. |
| Humming or buzzing noise | Ground loop issue. Interference from other electronic devices. | Try connecting the speakers to a different power outlet. Move speakers away from other electronic devices. Use shielded audio cables. |
If the problem persists after trying these solutions, please contact Edifier customer support for assistance.
8. Specifications
| Feature | Detail |
|---|---|
| Mounting Type | Tabletop Mount |
| Materials | Aluminum, Plastic, Wood, Metal |
| Model Name | MR4 |
| Speaker Type | Monitor |
| Special Features | Built-in Power Bank, Monitor Mode, Music Mode |
| Recommended Uses | For Computers, For Surround Sound Systems, For Smartphones or Tablets, For TVs, For Music Players |
| Compatible Devices | Game Consoles, TVs, Desktops, Laptops, Home Theaters |
| Woofer Diameter | 106 mm (4 inches) |
| Number of Units | 2.0 |
| Surround Sound Channel Configuration | 2.0 |
| Color | Black |
| Product Dimensions | 17D x 14W x 22.8H cm |
| Product Weight | 4.5 kg |
| Waterproof | False |
| Warranty Type | Limited Warranty |
| Max Range | 2.4 meters (speaker cable length) |
| Control Method | Touch (referring to knob press/rotation) |
| Speaker Size | 4 inches |
| Power Source | Power Cord |
| Batteries Required | No |
| Manufacturer Model Number | EDIMR4BK |
| Wattage | 42 W |
| S/N Ratio | 99 dB |
| Frequency Response | 20 KHz (upper limit, lower is 60Hz) |
| Connectivity Technology | AUX, RCA, TRS |
| Audio Output Mode | Stereo |
9. Warranty and Support
The Edifier MR4 speakers come with a limited warranty. Please refer to the warranty card included in your package for specific terms and conditions. For technical support, troubleshooting assistance, or warranty claims, please contact Edifier customer service through their official website or the retailer where you purchased the product.
You can find more information and support resources on the official Edifier website: www.edifier.com
