Douk Audio A5 Integrated Amplifier
Introduction
This document provides comprehensive information regarding the Douk Audio A5 Integrated Amplifier. It covers its features, specifications, and operational guidelines to ensure optimal performance and user satisfaction.
Product Overview
The Douk Audio A5 is a HiFi Class D stereo integrated amplifier featuring Bluetooth connectivity. It is designed to deliver high-quality audio performance for home audio systems.
The front panel features two input knobs (likely for volume and source selection), and possibly indicator lights. The rear panel includes various input and output connections.
Specifications
| Parameter | Specification |
|---|---|
| Amplifier Chip | TPA3255 |
| Output Power | 2x300W @ 4Ω (RMS) |
| Bluetooth Version | 5.0 |
| Frequency Response | 20Hz - 20kHz (±1dB) |
| SNR | ≥98dB |
| Input Sensitivity | 0.775V |
| Input Modes | Bluetooth, RCA, USB |
| Working Voltage | DC 32-48V |
| Dimensions | 235mm x 170mm x 55mm |
| Net Weight | 1.5kg |
Connections
The amplifier offers multiple connection options:
- Bluetooth: Wireless audio streaming via Bluetooth 5.0.
- RCA Inputs: For connecting external audio sources like CD players or pre-amplifiers.
- USB Input: For digital audio playback from USB drives or computers.
- Speaker Outputs: Terminals for connecting passive speakers.
- Power Input: DC power adapter connection.
The rear panel typically includes RCA input jacks, speaker binding posts, a USB port, and a DC power input jack.
Operation
- Connect your audio source to the appropriate input (Bluetooth, RCA, or USB).
- Connect passive speakers to the speaker output terminals, ensuring correct polarity.
- Connect the power adapter to the DC power input and plug it into a wall outlet.
- Turn on the amplifier using the power switch (if applicable).
- Adjust the volume using the front panel knob.
- For Bluetooth connection, search for "Douk Audio A5" on your device and pair.
Troubleshooting
- No Sound: Check all connections, ensure the volume is turned up, and verify the correct input source is selected.
- Bluetooth Connection Issues: Ensure the amplifier is in Bluetooth mode and within range of your device. Try unpairing and re-pairing.
- Distorted Audio: Reduce the volume or check the input signal quality. Ensure the amplifier is not overloaded.
Safety Precautions
- Do not expose the amplifier to moisture or extreme temperatures.
- Ensure proper ventilation to prevent overheating.
- Use only the provided power adapter.
- Disconnect the power before cleaning or making any connections.
