Daakro AK35 Hi-Fi Stereo Amplifier User Manual

1. Introduction

The Daakro AK35 is a versatile 200W Dual Channel Bluetooth 5.0 Stereo Audio Amplifier Receiver designed to enhance your audio experience. It offers multiple input options, including Bluetooth, USB, SD card, and auxiliary inputs, along with bass and treble controls for personalized sound. Its compact design makes it suitable for various applications, from home audio systems to car audio setups.

Image: The Daakro AK35 amplifier unit shown with its included remote control.

2. Safety Information

• Do not expose the unit to rain or moisture to prevent fire or electric shock.
• Do not open the casing. There are no user-serviceable parts inside. Refer all servicing to qualified personnel.
• Ensure proper ventilation. Do not block ventilation openings.
• Use only the specified power supply. Verify voltage compatibility before connecting.
• Keep out of reach of children.
• Avoid placing the unit near heat sources or in direct sunlight.

3. Package Contents

Please check the package for the following items:

• Daakro AK35 Hi-Fi Stereo Amplifier Unit
• Remote Controller

Note: A power supply (AC power cord or 12V DC adapter) is required for operation. Please check your specific product packaging or listing details to confirm if a power supply is included. Speakers and audio input cables are sold separately.

4. Product Features

• High Fidelity Stereo Amplification: Dual channel stereo digital amplifier with 100W+100W peak power and 30W+30W rated power.
• Bluetooth 5.0 Connectivity: Built-in Bluetooth 5.0 core for stable, high-quality wireless audio streaming. Designed for HiFi sound with no audible noise during connection.
• Multiple Audio Inputs: Features USB 2.0 and SD Card inputs to support flash drives or SD cards for direct audio playback. Includes auxiliary (3.5mm) and RCA inputs.
• Tone Control: Dedicated knobs for Bass and Treble adjustment, allowing for fine-tuning of sound output.
• Remote Control: Comes with a remote for convenient distant audio adjustments.
• FM Radio Receiver: Integrated FM stereo receiver for listening to radio stations.
• Wide Compatibility: Compatible with mobile phones, computers, tablets, notebooks, TVs, projectors, and various speaker systems.
• Compact Design: Small and simple design suitable for home, office, or car audio systems.

5. Product Layout and Controls

Front Panel

Image: Detailed diagram of the AK35 amplifier's front and rear panels, highlighting various controls and ports.

• Power Switch: Toggles the amplifier on/off.
• Bass Control: Adjusts the low-frequency output.
• Treble Control: Adjusts the high-frequency output.
• Input Selector Buttons: Cycle through different input modes (Bluetooth, AUX, USB/SD, FM).
• Function Display: Shows current mode, volume level, and FM frequency.
• TF Card Slot: For TransFlash (MicroSD) card input.
• USB Port: For USB flash drive input.
• Volume Control: Adjusts the overall output volume.

Rear Panel

• Audio Input Jack (RCA): Red and white RCA ports for external audio sources.
• Speaker Outputs (R/L): Red and black terminals for connecting passive speakers.
• DC Input (12V/5A): Power input for 12V DC power supply (e.g., car use).
• AC Power Input (110-240V): Standard AC power input for home use.
• FM Antenna: Connection point for the FM radio antenna.

6. Setup

6.1 Power Connection

1. Ensure the amplifier's power switch is in the OFF position.
2. For AC power, connect a compatible AC power cord (if not included, purchase separately) to the AC Power Input on the rear panel and then to a wall outlet.
3. For 12V DC power (e.g., car use), connect a 12V/5A DC power adapter (not included) to the DC Input on the rear panel.

6.2 Speaker Connection

The AK35 supports two passive speakers. Ensure correct polarity (+ to + and - to -) when connecting speakers to prevent damage and ensure optimal sound quality.

1. Identify the positive (+) and negative (-) terminals on your speakers and on the amplifier's rear panel.
2. Connect the positive wire from your right speaker to the 'R+' terminal and the negative wire to the 'R-' terminal.
3. Connect the positive wire from your left speaker to the 'L+' terminal and the negative wire to the 'L-' terminal.

6.3 Audio Input Connection

• Bluetooth: No physical connection needed. See 'Operating Instructions' for pairing.
• USB/SD Card: Insert your USB flash drive into the USB port or SD card into the TF Card slot on the front panel.
• AUX/RCA: Connect your audio source (e.g., phone, CD player, TV) to the 3.5mm auxiliary input or the RCA input jacks on the rear panel using appropriate audio cables.

7. Operating Instructions

7.1 Powering On/Off

Flip the Power Switch on the front panel to the 'ON' position to power on the amplifier. The display will light up. Flip it to 'OFF' to power down.

7.2 Mode Selection

Press the 'MODE' button on the front panel or the remote control to cycle through available input modes: Bluetooth (BT), Auxiliary (AUX), USB, SD Card, and FM Radio.

7.3 Volume, Bass, and Treble Control

• Volume: Rotate the 'VOLUME' knob on the front panel clockwise to increase volume and counter-clockwise to decrease. You can also use the VOL+ and VOL- buttons on the remote.
• Bass: Rotate the 'BASS' knob to adjust the bass level.
• Treble: Rotate the 'TREBLE' knob to adjust the treble level.

7.4 Bluetooth Pairing

When in Bluetooth mode (display shows 'BLUE'), the amplifier is ready for pairing.

1. Enable Bluetooth on your mobile device (smartphone, tablet, computer).
2. Search for available devices and select 'BT' or 'AK35' from the list.
3. Once connected, the display will indicate a successful connection, and you can start playing audio from your device.

Image: Illustration of the AK35 amplifier wirelessly connecting to various Bluetooth-enabled devices like smartphones, tablets, and laptops.

Note: Keep the distance between your device and the amplifier within 30ft/10m without obstructions. For TV or PC connections, maintain a distance within 15ft/5m.

7.5 USB/SD Card Playback

Insert a USB flash drive or SD card containing MP3 audio files into the respective slot. The amplifier will automatically switch to USB/SD mode and begin playback. Use the 'PREV', 'NEXT', 'PLAY/PAUSE' buttons on the front panel or remote to control playback.

7.6 FM Radio Operation

In FM mode, the display will show the current frequency.

1. Ensure the FM antenna is properly connected to the rear panel.
2. Press the 'SCAN' button on the front panel or remote to auto-scan and save available radio stations.
3. Use the 'PREV' and 'NEXT' buttons to navigate through saved stations.

Image: The AK35 amplifier with a visual representation of FM radio waves, indicating its reception capability.

7.7 Remote Control Usage

The remote control provides convenient access to various functions. Ensure the plastic isolation sheet is removed from the battery compartment before first use.

Image: A hand holding the remote control, demonstrating its use with the AK35 amplifier.

8. Maintenance

• Cleaning: Use a soft, dry cloth to clean the exterior of the unit. Do not use liquid cleaners or aerosols.
• Storage: When not in use for extended periods, store the amplifier in a cool, dry place away from direct sunlight and extreme temperatures.
• Ventilation: Ensure the ventilation holes are clear of dust and debris to prevent overheating.

9. Troubleshooting

10. Specifications

11. Warranty and Support

Daakro is committed to providing high-quality audio equipment and excellent customer service.

• Warranty: This product comes with a 36-month warranty.
• Customer Service: 24-hour online customer service is available for any inquiries or support needs.
• Satisfaction Guarantee: We aim for 100% customer satisfaction.

For support, please refer to the contact information provided with your purchase or visit the official Daakro store online.