AROMA 15W Acoustic Guitar Amplifier AG-15A

1. Introduction

Thank you for purchasing the AROMA AG-15A Acoustic Guitar Amplifier. This portable 15W amplifier is designed to provide high-quality sound for acoustic guitars, featuring a built-in rechargeable battery, Bluetooth connectivity, and a microphone input. It is ideal for practice, street performances, karaoke, and band performances. Please read this manual thoroughly before use to ensure proper operation and to maximize your enjoyment of the product.

2. Safety Information

• Do not expose the amplifier to rain, moisture, or extreme temperatures.
• Avoid placing the amplifier near heat sources or in direct sunlight.
• Do not open the casing or attempt to repair the unit yourself. Refer all servicing to qualified personnel.
• Use only the specified 5V/2A USB adapter for charging to prevent damage to the battery and amplifier.
• Keep out of reach of children.
• Ensure proper ventilation when operating the amplifier.

3. Package Contents

Please check the package to ensure all items are present:

• 1 x AROMA AG-15A Acoustic Guitar Amplifier
• 1 x USB Charging Cable
• 1 x Hand Strap
• 1 x User Manual (English)

Image: AROMA AG-15A amplifier shown with its included USB charging cable, hand strap, and user manual.

4. Product Overview

The AROMA AG-15A is a compact and versatile acoustic guitar amplifier. It features a wooden cabinet for enhanced acoustics and a 5-inch speaker.

4.1 Front Panel

Image: Front view of the AROMA AG-15A amplifier, showcasing the speaker grille and AROMA logo.

4.2 Top Control Panel

Image: Detailed view of the top control panel with labeled knobs for Acoustic Guitar (Volume, Bass, Treble), Mic (Volume, Echo), and Master volume, along with LED indicator and ON/OFF switch.

• ACOUSTIC GUITAR Controls:
  • VOLUME: Adjusts the input volume for the acoustic guitar.
  • BASS: Adjusts the low-frequency tone of the guitar.
  • TREBLE: Adjusts the high-frequency tone of the guitar.
• MIC Controls:
  • VOLUME: Adjusts the input volume for the microphone.
  • ECHO: Adjusts the echo effect for the microphone.
• MASTER: Overall volume control for all inputs.
• LED: Power/charging indicator light.
• ON/OFF: Power switch for the amplifier.
• BT: Bluetooth indicator.

4.3 Rear Panel

Image: Rear view of the AROMA AG-15A amplifier, showing the power switch, USB charging port, MIC INPUT, and GUITAR INPUT jacks.

• POWER: Main power switch.
• RECHARGING (5V/2A): Micro USB port for charging the internal battery.
• MIC INPUT: 6.35mm jack for connecting a microphone.
• GUITAR INPUT: 6.35mm jack for connecting an acoustic guitar.

5. Setup

1. Initial Charge: Before first use, fully charge the amplifier using the provided USB charging cable and a 5V/2A USB adapter. The LED indicator will show charging status.
2. Power On: Flip the "POWER" switch on the rear panel to the ON position. The LED indicator on the top panel will light up.
3. Connect Guitar: Plug your acoustic guitar into the "GUITAR INPUT" jack on the rear panel using a standard 6.35mm instrument cable.
4. Connect Microphone: If using a microphone, plug it into the "MIC INPUT" jack on the rear panel using a standard 6.35mm cable.

6. Operating Instructions

6.1 Playing Guitar

1. Ensure your guitar is connected as described in the Setup section.
2. Adjust the "VOLUME" knob in the ACOUSTIC GUITAR section to your desired level.
3. Use the "BASS" and "TREBLE" knobs to shape your guitar's tone.
4. Adjust the "MASTER" volume knob for the overall output level.

6.2 Using the Microphone

1. Ensure your microphone is connected as described in the Setup section.
2. Adjust the "VOLUME" knob in the MIC section to your desired vocal level.
3. Use the "ECHO" knob to add a reverb effect to your vocals.
4. Adjust the "MASTER" volume knob for the overall output level.

6.3 Bluetooth Connectivity

1. Turn on the amplifier. The "BT" indicator light will blink, indicating it's in pairing mode.
2. On your mobile device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
3. Select "AROMA AG-15A" from the list of devices to pair.
4. Once paired, the "BT" indicator light will become solid. You can now play music wirelessly through the amplifier.
5. Adjust the "MASTER" volume knob to control the Bluetooth audio level.

7. Charging the Battery

The AROMA AG-15A features a built-in 2200mAh USB rechargeable lithium battery.

1. Connect the provided USB charging cable to the "RECHARGING (5V/2A)" port on the rear panel of the amplifier.
2. Connect the other end of the USB cable to a 5V/2A USB power adapter (not included).
3. The LED indicator on the top panel will show the charging status. It will typically be red while charging and turn off or change color when fully charged (refer to the LED behavior in the specifications).
4. For optimal battery life, avoid completely draining the battery frequently.

Image: Rear panel of the amplifier highlighting the 5V/2A USB recharging port.

8. Maintenance

• Cleaning: Use a soft, dry cloth to clean the exterior of the amplifier. Do not use liquid cleaners or abrasive materials.
• Storage: Store the amplifier in a cool, dry place away from direct sunlight and extreme temperatures.
• Battery Care: If storing for an extended period, charge the battery to about 50% every few months to maintain battery health.
• Transport: Use the provided hand strap for secure and convenient transport.

9. Troubleshooting

• No Sound:
  • Check if the amplifier is powered on and charged.
  • Ensure all cables (guitar, mic) are securely connected.
  • Verify that the volume knobs (Guitar, Mic, Master) are turned up.
  • Test with different cables or instruments to rule out external issues.
• Bluetooth Not Connecting:
  • Make sure the amplifier is in pairing mode (BT light blinking).
  • Ensure Bluetooth is enabled on your device and it's within range.
  • Forget the device on your phone and try pairing again.
• Distorted Sound:
  • Reduce the input volume from your guitar or microphone.
  • Lower the amplifier's volume knobs (Guitar, Mic, Master).
  • Check for damaged cables.

10. Specifications

Image: Diagram showing the dimensions of the AROMA AG-15A amplifier.

11. User Tips

• This amplifier is specifically designed for acoustic guitars. While it has a microphone input, its primary sound profile is optimized for acoustic instruments.
• For best sound quality, experiment with the Bass and Treble controls to match your guitar and playing style.
• The built-in rechargeable battery makes this amplifier highly portable. Remember to charge it fully before taking it out for street performances or outdoor use.
• When using the microphone, adjust the Echo knob carefully to add a subtle reverb without making your vocals sound muddy.

12. Warranty and Support

For any product inquiries, technical support, or warranty claims, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.