Introduction
Thank you for choosing the WOOPKER AK35 Stereo Amplifier. This compact and versatile amplifier is designed to enhance your audio experience in various settings, including home, car, and parties. It features multiple input options, including Bluetooth 5.0, USB, TF card, and AUX, along with adjustable bass and treble controls for personalized sound.
This manual provides detailed instructions for setting up, operating, and maintaining your AK35 amplifier to ensure optimal performance and longevity.
Safety Information
- This amplifier does not come with a battery. It requires an external DC 12V/5A power supply or AC 110-240V power.
- Ensure proper ventilation around the amplifier to prevent overheating.
- Do not expose the unit to water, moisture, or extreme temperatures.
- Avoid plugging and unplugging USB drives, SD cards, RCA audio cables, or speaker cables while the amplifier is powered on to prevent damage.
- Use only the specified power adapter.
- Keep out of reach of children.
Package Contents
Upon opening your WOOPKER AK35 Stereo Amplifier package, please verify that all the following items are included:
- 1x WOOPKER AK35 Power Amplifier
- 1x Remote Control
- 1x Power Cable
- 1x English User Manual
Image: The package contents of the AK35 amplifier, including the amplifier unit, remote control, power cable, and user manual.
Product Overview
Front Panel
Image: A detailed view of the AK35 amplifier's front panel, highlighting its various controls and input ports.
- Power Switch: Toggles the amplifier on or off.
- Bass Control: Adjusts the low-frequency output.
- Treble Control: Adjusts the high-frequency output.
- Input: Selects the audio input source (e.g., AUX, Bluetooth, USB, TF).
- Function Display: Digital LED screen showing current mode and track information.
- Control Buttons (VOL-, SCAN, VOL+, MODE): Used for volume adjustment, FM scan, track navigation, and mode switching.
- TF Card Slot: For inserting a TF (MicroSD) card for audio playback.
- USB Port: For connecting a USB flash drive for audio playback.
- Volume Control: Master knob for overall volume adjustment.
Back Panel
Image: A detailed view of the AK35 amplifier's back panel, illustrating the various input and output connections.
- RCA Input (L/R): For connecting external audio sources via RCA cables.
- Speaker System Output (4Ω-16Ω): Terminals for connecting passive speakers.
- DC 12V/5A Input: For connecting a 12V DC power adapter.
- AC Power Input (110-240V): For connecting the AC power cable.
- FM-ANT: Connection point for the FM antenna.
Setup
1. Speaker Connection
The AK35 amplifier is compatible with 4-16 inch passive speakers. Follow these steps to connect your speakers:
- Identify Polarity: Distinguish the positive (+) and negative (-) terminals on your speakers and the amplifier. The positive terminal is typically red, and the negative terminal is black.
- Connect Wires: Press the clasp on the back of the AK35 amplifier's speaker output terminals. Insert the bare speaker wires into the corresponding positive and negative terminals. Ensure a secure connection.
- Repeat for all speakers: Connect all passive speakers to the amplifier's speaker output terminals.
Image: A visual guide demonstrating how to correctly connect speaker wires to the amplifier's terminals, emphasizing polarity.
2. Power Connection
- Connect the provided power cable to the AC Power Input on the back of the amplifier.
- Plug the other end of the power cable into a standard electrical outlet.
- Alternatively, for 12V DC operation, connect a compatible DC 12V/5A power adapter to the DC 12V/5A Input.
3. Audio Source Connection
- RCA/AUX Input: Connect your external audio device (e.g., CD player, DVD player, TV, PC) to the RCA Input jacks on the back panel using an RCA cable.
- FM Antenna: Connect the FM antenna to the FM-ANT port for radio reception.
Operating Instructions
1. Power On/Off
Press the Power Switch on the front panel to turn the amplifier on or off. The LED display will illuminate when the unit is powered on.
2. Mode Selection
Press the MODE button on the front panel or the remote control to cycle through available input modes: Bluetooth, AUX, USB, TF, and FM Radio. The selected mode will be displayed on the LED screen.
3. Volume Control
Rotate the large Volume Control knob on the front panel clockwise to increase volume and counter-clockwise to decrease it. You can also use the VOL+ and VOL- buttons on the remote control.
4. Bluetooth Pairing
- Switch the amplifier to Bluetooth mode using the MODE button. The LED display will show "BLUE" or a similar indicator.
- On your smartphone, tablet, or other Bluetooth device, enable Bluetooth and search for available devices.
- Select "AK35" (or similar name) from the list of devices to pair.
- Once paired, you can play audio from your device through the amplifier.
Image: The AK35 amplifier wirelessly connected to a mobile device via Bluetooth, demonstrating its remote control functionality.
5. USB/TF Card Playback
- Insert a USB flash drive into the USB Port or a TF card into the TF Card Slot on the front panel.
- The amplifier will automatically switch to USB/TF mode and begin playing audio files. If not, press the MODE button to select the correct input.
- Use the Previous Song and Next Song buttons on the front panel or remote control to navigate tracks.
- Press the Suspend button to pause/play.
6. FM Radio
- Ensure the FM antenna is connected to the back panel.
- Switch the amplifier to FM mode using the MODE button.
- Press the SCAN button (often VOL+ or a dedicated button) to automatically scan and save available FM stations.
- Use the Previous Song and Next Song buttons to switch between saved stations.
7. Bass & Treble Control
Use the Bass Control and Treble Control knobs on the front panel to fine-tune the audio output to your preference. Rotate clockwise to increase and counter-clockwise to decrease.
Image: A hand adjusting the bass and treble knobs on the AK35 amplifier, illustrating the sound customization feature.
8. Remote Control
The included remote control allows for convenient operation from a distance. Functions include power on/off, mode selection, volume adjustment, track navigation, and FM station control.
Image: A hand operating the remote control for the AK35 amplifier, highlighting its convenience for distant audio adjustments.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the amplifier's exterior. Do not use liquid cleaners or abrasive materials.
- 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 that the ventilation openings on the amplifier are not blocked to prevent overheating.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power cable not connected; Power outlet faulty; Power switch off. | Check power cable connection; Try a different outlet; Ensure power switch is on. |
| No sound output | Incorrect input mode selected; Speaker wires loose or incorrectly connected; Volume too low; Audio source not playing. | Select correct input mode; Check speaker wire polarity and connection; Increase volume; Verify audio source is playing. |
| Bluetooth not connecting | Amplifier not in Bluetooth mode; Device Bluetooth off; Device too far; Interference. | Switch amplifier to Bluetooth mode; Enable Bluetooth on your device; Move device closer; Restart both devices. |
| USB/TF card not playing | Incorrect file format; Card/drive not inserted correctly; Card/drive corrupted. | Ensure audio files are in supported format (e.g., MP3); Reinsert card/drive; Try a different card/drive. |
| Poor FM reception | Antenna not connected or positioned poorly; Weak signal. | Connect FM antenna; Adjust antenna position for better reception; Perform an auto-scan again. |
Specifications
- Model: AK-35
- Peak Power Output: 200W + 200W
- Rated Power Output: 30W + 30W
- Channels: 2.0 Channel
- Bluetooth Version: 5.0
- Speaker Impedance: 4-16 Ohms
- Inputs: Bluetooth, AUX (RCA), USB, TF Card, FM Radio
- Controls: Volume, Bass, Treble
- Power Supply: AC 110-240V (50-60Hz) or DC 12V/5A
- Package Dimensions: 7.99 x 6.89 x 1.73 inches
- Item Weight: 1.28 Pounds
Warranty and Support
WOOPKER is committed to providing excellent customer service and support for your AK35 Stereo Amplifier.
- 24-Hour Response: We aim to provide quick responses to all customer inquiries within 24 hours.
- 30-Day Return/Exchange: If you are not satisfied with your purchase, you may return it for an exchange or refund within 30 days.
- Lifetime Technical Support: WOOPKER offers lifetime technical customer support for your product.
For any questions, troubleshooting assistance, or warranty claims, please contact WOOPKER customer support through the platform where you purchased the product or visit our official website.
Image: An illustration summarizing WOOPKER's customer support commitments: 24-hour response, 30-day return policy, and lifetime technical support.
