Hosyond D800 Bluetooth Receiver Amplifier User Manual

1. Product Overview

The Hosyond D800 is a 2.1 channel Bluetooth receiver amplifier designed for home audio systems, DIY speakers, and various multimedia setups. It delivers 50W per channel for left and right speakers and 100W for a subwoofer, providing a total output of 200W. This amplifier supports multiple input methods including Bluetooth 5.0, 3.5mm AUX, USB, TF card, and RCA, offering versatile connectivity options. It features independent controls for main volume, microphone volume, bass, and treble, allowing for customized sound adjustments.

Key Features:

• 2.1 Channel Audio: Provides 50W x 2 (L/R) + 100W (subwoofer) for balanced sound.
• Multiple Inputs: Supports Bluetooth 5.0, AUX, USB, TF card, and RCA.
• Bluetooth 5.0: Offers fast pairing, low latency, and a stable connection up to 33 feet (10 meters).
• Independent Controls: Separate adjustments for main volume, microphone volume, bass, and treble.
• Wide Power Supply: Compatible with DC 12V-19V and AC 110V-240V power inputs.
• Compact Design: Features a durable brushed aluminum panel and intuitive controls for easy installation and portability.

2. Package Contents

Please check the package carefully to ensure all items are present and in good condition.

• 1 x Hosyond D800 Amplifier
• 1 x Remote Control
• 1 x DC Jack Cable
• 1 x AC Power Cord (US Plug)

3. Product Layout and Interfaces

Familiarize yourself with the various functions and interfaces of the D800 amplifier.

Image 3.1: Front panel of the Hosyond D800 amplifier, detailing all input ports, control knobs, and indicators. This includes microphone jacks, volume controls, input selectors, and power switch.

Front Panel Controls and Ports:

• MIC1/MIC2 Jack: 6.35mm microphone input ports.
• ECHO Knob: Adjusts microphone reverberation.
• MIC VOL Knob: Adjusts microphone volume.
• INPUT Selector: Switches between Audio Input (RCA), USB, TF Card, AUX, and Bluetooth.
• R&L CHANNEL TREBLE/BASS Knobs: Adjusts treble and bass for the left and right channels.
• SUBWOOFER FREQ/VOLUME Knobs: Adjusts subwoofer frequency (20-200Hz) and volume.
• VOLUME Knob: Main volume control for all outputs.
• USB Port: For USB drive input.
• TF Card Slot: For TF card input.
• AUX IN: 3.5mm auxiliary input.
• Previous/Play/Pause/Next Buttons: Media control buttons for USB/TF/Bluetooth modes.
• LED Indicator: Shows power status and input mode.
• IR Receiver: For remote control signals.

Rear Panel Connections:

• DC 12-19V IN: Power input for DC adapter.
• AC 110-220V IN: Power input for AC power cord.
• AC POWER SWITCH: Turns the amplifier ON/OFF.
• Speaker Terminals: Outputs for Left, Right, and Subwoofer speakers.

4. Setup Instructions

Follow these steps to set up your Hosyond D800 amplifier.

4.1 Connecting Speakers

1. Ensure the amplifier is turned off and unplugged from the power source.
2. Connect your passive left and right speakers to the corresponding L/R speaker terminals on the rear panel. Ensure correct polarity (+ to + and - to -).
3. Connect your passive subwoofer to the SUBWOOFER speaker terminals on the rear panel. Ensure correct polarity.

4.2 Connecting Power

1. The D800 supports both DC 12V-19V and AC 110V-240V power inputs. Choose the appropriate power source.
2. For DC Power: Connect the DC jack cable to the DC 12-19V IN port and then to a compatible DC power adapter (not included, 5A or above recommended).
3. For AC Power: Connect the AC power cord to the AC 110-220V IN port and then to a wall outlet.
4. Ensure the AC POWER SWITCH is in the OFF position before connecting power.

4.3 Connecting Audio Sources

The D800 offers multiple input options:

• Bluetooth: Pair your device wirelessly (see Operating Instructions).
• AUX: Connect a device (e.g., phone, tablet) using a 3.5mm audio cable to the AUX IN port.
• USB: Insert a USB flash drive into the USB port.
• TF Card: Insert a TF card into the TF card slot.
• RCA: Connect an audio source (e.g., CD player, TV) to the L/R Audio Input ports using RCA cables.

Image 4.1: Illustration of the Hosyond D800 amplifier integrated into a DIY speaker setup, demonstrating Bluetooth connectivity from a smartphone and remote control operation.

5. Operating Instructions

This section details how to use the various functions of your D800 amplifier.

5.1 Power On/Off

1. After connecting power, flip the AC POWER SWITCH to the ON position. The LED indicator will light up.
2. To turn off, flip the AC POWER SWITCH to the OFF position.

5.2 Selecting Input Source

Rotate the INPUT Selector knob on the front panel to choose your desired audio source (Bluetooth, AUX, USB, TF Card, RCA Audio Input).

5.3 Bluetooth Connection

1. Set the INPUT Selector to "BT" (Bluetooth). The LED indicator may flash, indicating pairing mode.
2. On your mobile device (phone, tablet, etc.), enable Bluetooth and search for available devices.
3. Select "Hosyond D800" from the list to pair. Once connected, the LED indicator will become solid.
4. You can now play audio from your device through the amplifier.

5.4 USB/TF Card Playback

1. Insert a USB flash drive into the USB port or a TF card into the TF card slot.
2. Set the INPUT Selector to "USB" or "TF" accordingly.
3. The amplifier will automatically detect and play audio files. Use the Previous/Play/Pause/Next buttons for control.

5.5 Adjusting Volume and Tone

• VOLUME Knob: Rotate clockwise to increase overall volume, counter-clockwise to decrease.
• R&L CHANNEL TREBLE/BASS Knobs: Adjust these to fine-tune the high and low frequencies of your main speakers.
• SUBWOOFER FREQ/VOLUME Knobs: Adjust the subwoofer volume and crossover frequency to blend with your main speakers.
• MIC VOL/ECHO Knobs: Use these to control the volume and reverberation of connected microphones.

5.6 Remote Control Operation

The included remote control allows for convenient operation from a distance. Point the remote towards the IR Receiver on the front panel of the amplifier.

Image 5.1: Visual representation of the Hosyond D800 amplifier being used in various scenarios, including with vehicles, laptops, TVs, computers, phones, Mac computers, and home speakers.

6. Specifications

Detailed technical specifications for the Hosyond D800 amplifier.

Image 6.1: Technical drawing showing the dimensions of the Hosyond D800 amplifier, including front panel measurements (26cm width, 7.5cm height) and internal board measurements (22.3cm length, 8.5cm height).

7. Troubleshooting

If you encounter issues with your D800 amplifier, refer to the following common troubleshooting steps.

• No Power:
  • Ensure the power cord is securely connected to both the amplifier and the wall outlet.
  • Verify the AC POWER SWITCH is in the ON position.
  • Check if the power outlet is functional.
• No Sound:
  • Confirm that speakers are correctly connected with proper polarity.
  • Check the INPUT Selector to ensure the correct audio source is selected.
  • Increase the main VOLUME knob.
  • Ensure the audio source device is playing and its volume is turned up.
  • If using Bluetooth, ensure the device is properly paired and connected.
• Poor Sound Quality / Distortion:
  • Reduce the main VOLUME to prevent clipping.
  • Check audio cables for damage or loose connections.
  • Adjust the BASS and TREBLE controls to a neutral position or to your preference.
  • Ensure the audio source is of good quality.
• Bluetooth Disconnection:
  • Ensure your device is within the 33ft (10m) Bluetooth range.
  • Avoid obstacles between the amplifier and your device that may interfere with the signal.
  • Try unpairing and re-pairing the device.
• Remote Control Not Working:
  • Ensure there are no obstructions between the remote and the amplifier's IR receiver.
  • Check and replace the remote control batteries if necessary.

8. Maintenance

Proper maintenance helps ensure the longevity and optimal performance of your amplifier.

• Cleaning: Use a soft, dry cloth to clean the exterior of the amplifier. Do not use liquid cleaners or solvents.
• Ventilation: Ensure the amplifier is placed in a well-ventilated area to prevent overheating. Do not block ventilation openings.
• Storage: When not in use for extended periods, store the amplifier in a cool, dry place away from direct sunlight and extreme temperatures.
• Power Off: Always turn off and unplug the amplifier before performing any cleaning or maintenance.

9. Safety Information

Please read and follow these safety guidelines to prevent injury or damage to the device.

• Power: Use only the specified power supply (DC 12-19V or AC 110-240V). Do not overload power outlets.
• Water and Moisture: Do not expose the amplifier to water, rain, or moisture. Do not place objects filled with liquids on or near the device.
• Heat: Keep the amplifier away from heat sources such as radiators, heat registers, stoves, or other heat-producing appliances.
• Ventilation: Ensure adequate ventilation. Do not install in a confined space.
• Servicing: Do not attempt to service this product yourself. Refer all servicing to qualified service personnel.
• Children: Keep out of reach of children.
• Caution: Risk of electric shock. Do not open the casing.

10. Warranty and Support

Specific warranty details and customer support contact information are not provided within this manual. Please refer to the product packaging, retailer's website, or your purchase documentation for warranty terms and support contacts.