Amphony Bluetooth Audio Receiver/Amplifier Model 300 User Manual

1. Introduction

The Amphony Bluetooth Audio Receiver/Amplifier Model 300 allows you to wirelessly stream audio from your Bluetooth-enabled devices, such as cell phones, tablets, or computers, directly to any passive speakers. This compact device integrates an advanced Bluetooth audio receiver with a state-of-the-art stereo power amplifier, transforming your existing speakers into a wireless Bluetooth audio system.

2. Product Overview

2.1 Key Features

• Wireless Audio Streaming: Connects to any passive speakers for Bluetooth audio playback.
• Powerful Amplifier: Features a 2x40-Watt RMS power amplifier with linear frequency response and ultra-low distortion (0.04% THD+N at 20W, 1kHz).
• Compact Design: Small form factor (90 mm x 85 mm x 18 mm) for discreet placement.
• Extendable Wireless Range: External antenna allows for potential range extension.
• High Efficiency: 93% power efficiency.

2.2 Package Contents

Please verify that all items are present in your package:

• 1 x Amphony Bluetooth Audio Receiver/Amplifier Model 300
• 1 x AC Power Adapter
• 1 x Antenna

Image 1: The Amphony Bluetooth Audio Receiver/Amplifier Model 300, showing its compact size and the attached external antenna.

3. Setup Instructions

Follow these steps to set up your Amphony Bluetooth Audio Receiver/Amplifier:

1. Connect Speakers: Connect your passive speakers to the speaker terminals on the amplifier. Ensure correct polarity (positive to positive, negative to negative).
2. Attach Antenna: Screw the provided antenna onto the antenna connector on the amplifier.
3. Connect Power: Caution: To avoid sparks, first plug the DC power supply into the amplifier's power input, then plug the AC adapter into a wall outlet.

Image 2: Setup diagram illustrating a smartphone wirelessly connected to the amplifier, which in turn powers two wired speakers.

4. Operating Instructions

4.1 Bluetooth Pairing

To pair your device with the Amphony Bluetooth Audio Receiver/Amplifier:

1. Ensure the amplifier is powered on. The 'Status' LED will illuminate.
2. On your Bluetooth-enabled device (smartphone, tablet, etc.), navigate to the Bluetooth settings.
3. Scan for available devices. The amplifier should appear as "Amphony 300" or similar.
4. Select the amplifier from the list to initiate pairing. Once paired, the 'Status' LED may change color or blink pattern (refer to LED indicator section for details).
5. You can now play audio from your device, and it will be transmitted to the connected speakers.

Note: Only one device can be paired at a time. To pair a new device, disconnect the currently paired device first.

4.2 Volume Control

The amplifier features a volume control slider on its front panel. Adjust this slider to control the output volume of your speakers. You can also control the volume from your paired Bluetooth device.

Image 3: Detailed view of the amplifier's control panel, highlighting the power input, antenna port, Bluetooth indicator, and volume adjustment.

5. Maintenance

To ensure optimal performance and longevity of your Amphony Bluetooth Audio Receiver/Amplifier:

• Keep the device in a dry environment, away from direct sunlight, extreme temperatures, and moisture.
• Clean the exterior with a soft, dry cloth. Do not use liquid cleaners or solvents.
• Ensure adequate ventilation around the unit to prevent overheating. The aluminum chassis is designed for cooling, but obstructions can hinder this.
• Avoid placing heavy objects on top of the amplifier.

6. Troubleshooting

If you encounter issues with your amplifier, refer to the following common solutions:

• No Power:
  • Ensure the AC adapter is securely connected to both the amplifier and a working power outlet.
  • Verify the power outlet is functional by testing it with another device.
• No Sound:
  • Check that the speakers are correctly wired to the amplifier with proper polarity.
  • Confirm that the amplifier's volume slider is not at its minimum setting.
  • Ensure your Bluetooth device's volume is turned up.
  • Verify that your Bluetooth device is successfully paired and connected to the amplifier.
• Bluetooth Disconnection or Poor Range:
  • Ensure the antenna is securely attached.
  • Reduce the distance between your Bluetooth device and the amplifier.
  • Minimize obstacles (walls, large metal objects) between the device and amplifier.
  • Avoid interference from other wireless devices (Wi-Fi routers, microwaves).
  • Try re-pairing your Bluetooth device.
• Distorted Sound:
  • Lower the volume on both the amplifier and your Bluetooth device.
  • Ensure speaker wires are not frayed or shorting.
  • Check the audio source for quality issues.

7. Specifications

8. Warranty and Support

The Amphony Bluetooth Audio Receiver/Amplifier Model 300 comes with a 1-year manufacturer warranty. For warranty claims or technical support, please contact Amphony customer service. Refer to the product packaging or Amphony's official website for contact information.