1. Introduction
Thank you for purchasing the AROMA AMT-600, a versatile 3-in-1 device combining a Tuner, Metronome, and Tone Generator. Designed for both string and wind instruments, this compact and lightweight tool offers professional-grade accuracy and a user-friendly experience with its clear 2.5-inch color LCD. This manual provides essential information for safe operation, setup, and optimal use of your AMT-600.
2. Safety Information and Cautions
Please read and understand the following safety guidelines before using your AMT-600 to ensure proper operation and prevent damage.
2.1 Location
Avoid using or storing the device in the following conditions:
- Direct sunlight or extreme heat sources.
- Areas of high temperature or humidity.
- Excessively dusty or dirty environments.
- Locations subject to excessive vibration.
- Any location near strong magnetic fields.
2.2 Power
The AMT-600 features a built-in polymer lithium battery. To maintain battery health and ensure longevity, charge the device regularly, especially if it has not been used for an extended period.
3. Product Overview
The AROMA AMT-600 is equipped with an intuitive interface and essential ports for various functions. Familiarize yourself with the components and controls shown below.

3.1 Components and Controls
- Headphone Jack (3.5mm): For connecting headphones or external audio output.
- Pickup Jack (6.35mm): For connecting the included clip-on pickup cable for direct instrument input.
- LED Indicator: Provides visual feedback for power and tuning status.
- LCD Display: 2.5-inch color screen displaying tuning, metronome, and tone generator information.
- Metronome/Tuner Switch (M/T): Toggles between Metronome and Tuner modes.
- Set Voice Beat (VOICE): Used to select voice beat options in Metronome mode or activate tone generation.
- TAP: For setting metronome tempo by tapping.
- Rhythm (Musical Note Icon): Selects rhythm patterns in Metronome mode.
- Type-C Interface: Charging port for the internal battery.
- Volume Wheel: Adjusts the output volume.
- Microphone (MIC): Built-in microphone for acoustic tuning.
- On/Off/Play (START): Powers the device on/off and starts/stops metronome or tone generator functions.
- Tempo/Beat Select (Up/Down Arrows): Adjusts tempo, beat, or pitch settings.
4. Setup
4.1 Initial Charging
Before first use, or if the device has been stored for a long time, fully charge the AMT-600. Connect the provided Type-C cable to the Type-C interface on the device and plug the other end into a compatible USB power adapter (not included). The LED indicator will show charging status. Charging time is typically less than 2 hours.
4.2 Connecting Accessories
- Pickup Cable: For precise tuning of string instruments, connect the 6.35mm jack of the pickup cable to the Pickup Jack on the AMT-600. Attach the clip to your instrument.
- Headphones/External Amplifier: To monitor audio privately or through an external sound system, connect a 3.5mm stereo cable to the Headphone Jack. Note that connecting headphones will mute the internal speaker.
5. Operating Instructions
5.1 Power On/Off
Press and hold the START button to power the device on or off.
5.2 Tuner Mode
The AMT-600 offers accurate tuning for various instruments.
- Press the M/T button to switch to Tuner mode. The display will show 'TUNER'.
- Select Tuning Mode: Use the Up/Down arrow buttons to cycle through tuning modes: Chromatic (C), Guitar (G), Bass (B), Violin (V), Ukulele (U).
- Input Method: You can tune using the built-in microphone (for acoustic instruments) or by connecting the clip-on pickup cable to your instrument.
- Tuning: Play a single note on your instrument. The LCD display will show the note name, pitch deviation, and a visual meter.
- Interpreting the Display:

Figure 5.1: Tuner Display Interpretation - Flat: The needle points to the left (yellow/red area), indicating the note is too low.
- In Tune: The needle is centered (green area), indicating the note is correct.
- Sharp: The needle points to the right (yellow/red area), indicating the note is too high.
- Adjust your instrument until the needle is centered and the display indicates 'In Tune'.
5.3 Metronome Mode
The metronome function helps you practice with precise timing.
- Press the M/T button to switch to Metronome mode. The display will show 'METRONOME'.
- Set Tempo: Use the Up/Down arrow buttons to adjust the tempo (BPM). Alternatively, press the TAP button repeatedly at your desired tempo, and the device will calculate the BPM.
- Set Beat: Press the Rhythm button (musical note icon) to cycle through different beat patterns (e.g., 0, 1, 2, 3, 4, 5, 6, 7, 8, 9).
- Set Voice Beat: Press the VOICE button to select between Chinese or English voice counting-beat, or to turn the voice off.
- Start/Stop: Press the START button to begin or pause the metronome.
- Adjust Volume: Use the Volume Wheel on the side to control the metronome's sound level.
5.4 Tone Generator
The AMT-600 can generate reference tones.
- In Tuner mode, press the VOICE button to activate the tone generator.
- Use the Up/Down arrow buttons to select the desired reference pitch.
- The generated tone can be heard through the internal speaker or connected headphones/external amplifier.
6. Charging and Power Management
6.1 Battery Information
The AMT-600 is powered by a built-in 3.7V 600mA Li-ion polymer battery.
- Charging Time: Approximately <2 hours for a full charge.
- Working Time: Approximately ≥5 hours on a full charge, depending on usage.
6.2 Power Saving Feature
To conserve battery life, the device will automatically turn off if there is no signal input from the microphone or input jack, and if the metronome or tone generator functions are not active for 3 minutes.
7. Specifications
Detailed technical specifications for the AROMA AMT-600.


| Feature | Description |
|---|---|
| Material | ABS |
| Connection | 6.35mm input jack, 3.5mm stereo output jack |
| Power | 3.7V 600mA Li battery |
| Charging Time | <2H |
| Working Time | ≥5H |
| Item Size | 107 * 72 * 20mm / 4.21 * 2.83 * 0.79in |
| Item Weight | 161g / 5.68oz |
| Feature | Description |
|---|---|
| Tuning Mode | Chromatic, Guitar, Bass, Violin, Ukulele |
| Pitch Range | 410~450Hz |
| Frequency Range | A0(27.5Hz)~C8(4186.00Hz) |
| Tuning Tolerance | ±0.5 cent |
| Pickup Method | Microphone, pickup cable |
| Feature | Description |
|---|---|
| Tempo Range | 30~260bpm |
| Beat | 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 |
| Voice Beat | Chinese, English |
8. Troubleshooting
If you encounter issues with your AMT-600, refer to the following common problems and solutions:
- Device does not power on: Ensure the battery is charged. Connect the Type-C cable and charge for at least 30 minutes before attempting to power on again.
- Inaccurate tuning:
- If using the microphone, ensure you are in a quiet environment and the instrument is close to the device.
- If using the pickup cable, ensure it is securely connected to both the instrument and the AMT-600.
- Verify that the correct tuning mode (e.g., Guitar, Bass) is selected for your instrument.
- No sound from metronome/tone generator: Check the volume wheel on the side of the device. If headphones are connected, sound will only output through them.
- Device turns off unexpectedly: This is likely the automatic power-saving feature. If you need continuous operation, ensure there is active signal input or metronome/tone generator activity.
9. User Tips
- For best tuning accuracy, especially in noisy environments, always use the clip-on pickup cable.
- Regularly charge your AMT-600 to ensure it's ready when you need it. A quick charge before a practice session can prevent interruptions.
- Experiment with different metronome beat patterns to find what works best for your practice routine.
- The compact size and kickstand make it convenient for use on music stands or tabletops.
10. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the seller or retailer from whom you purchased the AROMA AMT-600. Keep your proof of purchase for any warranty claims.





