1. Introduction
The MELONARE WM-1 is a portable wired in-ear monitor amplifier designed to provide clear, detailed audio monitoring for musicians, drummers, bands, and studio professionals. Its robust wired connection ensures minimal signal loss and low latency, delivering high-fidelity sound with an enhanced dynamic range and balanced EQ. This manual provides essential information for the proper setup, operation, and maintenance of your WM-1 amplifier.

The MELONARE WM-1 amplifier connected to a mixer, providing pristine audio quality to headphones.
2. What's in the Box
Carefully unpack your MELONARE WM-1 amplifier and ensure all items are present:
- 1 x Portable Wired IEM Amplifier (WM-1)
- 2 x AAA Batteries
- 1 x User Manual

The package includes the WM-1 amplifier, two AAA batteries, and the user manual.
3. Product Features
- Exceptional Sound Quality: Wired design ensures minimal transmission loss, lower latency, and superior sound accuracy with enhanced dynamic range and balanced EQ.
- Mono/Stereo Flexibility: Easily switch between mono and stereo modes to suit monitoring needs, providing consistent audio clarity.
- Versatile Input Compatibility: Supports XLR, TS, and TRS inputs for seamless connection to various audio devices like mixers, audio interfaces, and sound equipment.
- Convenient and Reliable Design: Features a one-touch mute switch, XLR locking mechanism for secure connections, and a built-in LED battery indicator.
- Long Battery Life: Powered by two AAA batteries (included), offering up to 8 hours of continuous use.
- Compact and Durable Construction: Lightweight, durable metal body with a secure belt clip for portability and stable performance.
4. Controls and Connections

Overview of the WM-1 amplifier's controls and connections.
- Headphone Jack: Connect your headphones or in-ear monitors here.
- LED Power Indicator: Displays power status (Green for power-on, Red for low battery).
- Mono/Stereo Switch: Toggles between mono and stereo audio output modes.
- Volume Control Knob: Adjusts the output volume to your headphones. Also functions as the power ON/OFF switch.
- Mute Button: Instantly mutes or unmutes the audio output.
- XLR/TS/TRS Combo Input Jack: Connect your audio source (mixer, audio interface, etc.) using an XLR, 6.35mm TS, or 6.35mm TRS cable.
- XLR Connector Lock: Secures XLR cables to prevent accidental disconnection.
- Belt Clip: Allows for convenient attachment to clothing or a belt.
- Battery Compartment: Houses two AAA batteries.

XLR Connector Lock

Volume Control Knob

Belt Clip
5. Setup
Follow these steps to set up your MELONARE WM-1 amplifier:
- Install Batteries: Open the battery compartment and insert the two included AAA batteries, ensuring correct polarity.
- Connect Audio Source: Connect an XLR, 6.35mm TS, or 6.35mm TRS cable from your audio source (e.g., mixer, audio interface, electronic drum, guitar amp output) to the WM-1's combo input jack. If using an XLR cable, ensure it locks securely.
- Connect Headphones/IEMs: Plug your headphones or in-ear monitors into the 3.5mm headphone jack.
- Power On: Rotate the volume control knob clockwise to turn on the amplifier. The LED power indicator will light up green.
- Select Mode: Use the Mono/Stereo switch to select your desired monitoring mode.

Connection diagram for the WM-1 amplifier.
6. Operating Instructions
6.1 Volume Adjustment
Rotate the volume control knob clockwise to increase the volume and counter-clockwise to decrease it. Start with a low volume and gradually increase it to a comfortable listening level to prevent hearing damage.
6.2 Mono/Stereo Mode Selection
The WM-1 offers flexible monitoring options:
- Mono Mode: Suitable for balanced XLR/6.35mm TRS and unbalanced 6.35mm TS inputs. In mono mode, the same audio signal is sent to both left and right headphone channels.
- Stereo Mode: Accepts unbalanced TRS input. This mode provides a wider soundstage, separating left and right audio channels for an immersive experience.
Use the Mono/Stereo switch to toggle between these modes based on your audio source and monitoring preference.

The Mono/Stereo switch allows selection between mono and stereo monitoring modes.
6.3 Mute Function
Press the red MUTE button to instantly silence the audio output. Press it again to unmute. This is useful for quick interruptions or communication without removing your headphones.

The one-touch mute control provides instant silence.
6.4 Battery Status
The LED power indicator will turn red when the battery level is low, signaling that the batteries need to be replaced soon.

The WM-1 amplifier provides up to 8 hours of continuous use with AAA batteries.
6.5 Usage Scenarios
The WM-1 amplifier is suitable for various applications:
- Band Rehearsals
- Studio Monitoring
- Home Practice
- Small Stage Performances

The WM-1 amplifier is ideal for various audio monitoring applications.
7. Maintenance
- Cleaning: Use a soft, dry cloth to clean the amplifier. Do not use liquid cleaners or solvents.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Replacement: Replace batteries promptly when the low battery indicator appears. Remove batteries if the device will not be used for an extended period to prevent leakage.
- Handling: The WM-1 features a durable metal construction. However, avoid dropping or subjecting it to strong impacts to prevent damage.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound output |
|
|
| Distorted sound |
|
|
| Only one side of headphones has sound |
|
|
| LED indicator is red | Low battery | Replace the two AAA batteries. |
9. Specifications
| Brand | MELONARE |
| Model Name | WM-1 |
| Color | Black |
| Material | Metal |
| Compatible Devices | Electronic Drum, Guitar Amp, Headphone, In-Ear Monitor, Mixer |
| Output Wattage | 0.12 Watts |
| Power Source | Battery Powered (2 x AAA) |
| Output Channel Quantity | 1 |
| Amplifier Type | Transistor |
| Connector Type | XLR, 6.35mm TS, 6.35mm TRS Combo Input |
| Audio Output Mode | Mono/Stereo |
| Enclosure Material | Metal |
10. Official Product Video
Watch this video for an overview of the MELONARE WM-1 Wired In-Ear Monitor Amplifier's features and functionality.
11. Warranty and Support
For warranty information and customer support, please refer to the documentation included with your purchase or visit the official MELONARE website. Keep your purchase receipt as proof of purchase for any warranty claims.