ANNNWZZD LK-BR13A Bluetooth HiFi Speaker Amplifier User Manual
- June 13, 2024
- ANNNWZZD
Table of Contents
ANNNWZZD LK-BR13A Bluetooth HiFi Speaker Amplifier
Introduction
The ANNNWZZD LK-BR13A Bluetooth HiFi Speaker Amplifier is a versatile audio device designed to enhance your music listening experience. This amplifier combines the convenience of Bluetooth connectivity with high-fidelity sound output, making it ideal for home audio setups and entertainment systems. This comprehensive guide will provide you with information about its specifications, what’s included in the package, key features, how to use the amplifier, safety guidelines, maintenance tips, and troubleshooting techniques.
Specifications
- Power Output: 50W x 2 (4Ω load)
- Frequency Response: 20Hz – 20kHz
- Signal-to-Noise Ratio (SNR): >80dB
- Input Voltage: DC 12V
- Bluetooth Version: 4.2
- Supported Bluetooth Profiles: A2DP, AVRCP
- Audio Input: Bluetooth, RCA, AUX
- Dimensions: 6.3 x 4.9 x 1.7 inches (160 x 125 x 45 mm)
- Weight: 1.5 lbs (680g)
What’s in the Box
- 1 x ANNNWZZD LK-BR13A Bluetooth HiFi Speaker Amplifier
- 1 x Power Adapter
- 1 x RCA Audio Cable
- 1 x 3.5mm AUX Cable
- 1 x User Manual
Key Features
- Bluetooth Connectivity: Stream music wirelessly from your Bluetooth-enabled devices such as smartphones, tablets, and laptops.
- High-Fidelity Audio: Enjoy clear and immersive audio with a powerful 50W x 2 output and a wide frequency response.
- Multiple Input Options: Connect various audio sources through Bluetooth, RCA, or the AUX input, making it compatible with a wide range of devices.
- Compact and Stylish Design: The amplifier’s compact size and modern design make it a stylish addition to any audio setup.
- Volume and Tone Control: Adjust the volume and tone settings to customize your listening experience.
- Versatile Applications: Use it for home audio systems, bookshelf speakers, desktop setups, and more.
Bluetooth
Bluetooth 5.1 Audio Receiver
Drag your old Hi-Fi into the modern world
How to Use
- Connection: Plug the ANNNWZZD LK-BR13A into a power source using the included power adapter.
- Source Selection: Choose your preferred audio source using the mode selector switch (Bluetooth, RCA, AUX).
- Bluetooth Pairing: If using Bluetooth, enable Bluetooth on your device, and pair it with the amplifier by selecting “LK-BR13A” from the available devices list.
- Audio Adjustment: Use the volume and tone control knobs to adjust the sound to your liking.
- Speaker Connection: Connect your speakers to the amplifier’s output terminals using speaker wire.
- Playback: Start playing audio on your source device, and the amplifier will amplify the sound to your connected speakers.
25m Distance Transmission
Built in current sound isolation module toeliminate the sound of the speaker
Wide Compatibility
Wirelessly stream audio from your Bluetooth enabled devices
Safety Guidelines
- Read the User Manual: Start by thoroughly reading and understanding the user manual provided by the manufacturer. The manual will provide you with essential safety information, operating instructions, and maintenance guidelines.
- Power Source: Ensure that you connect the LK-BR13A amplifier to a compatible and properly rated power source or outlet. Using an incorrect voltage or current can damage the device or pose a safety risk.
- Heat Ventilation: Place the amplifier in a well-ventilated area and avoid covering or obstructing its ventilation openings. Adequate ventilation is essential to prevent overheating, which can lead to malfunctions or fire hazards.
- Placement: Position the amplifier on a stable and flat surface to prevent it from falling or being damaged. Keep it away from edges and potential hazards.
- Environmental Conditions: Avoid exposing the amplifier to extreme temperatures, humidity, or direct sunlight. Operating it within the recommended temperature and humidity ranges specified in the user manual will ensure its longevity.
- Cable Management: Securely fasten all cables and cords to prevent tripping hazards and avoid strain on the amplifier or its connections.
- Cleaning: If cleaning is necessary, unplug the amplifier from the power source and use a soft, dry cloth. Do not use liquid cleaners or immerse the device in water.
- Children and Pets: Keep the amplifier and its cords out of the reach of children and pets. Small parts and cables can be a choking hazard, and pets may chew on cords.
- Electrical Outlet Safety: Ensure that the electrical outlet or power source you are using for the amplifier is properly grounded and in good condition. Avoid overloading outlets and use surge protectors if necessary to safeguard against power surges.
- Firmware and Software Updates: Periodically check for firmware or software updates provided by the manufacturer to ensure that your device operates safely and efficiently.
- Audio Volume: Be cautious when adjusting the volume on the amplifier, especially when using headphones or speakers at high volumes. Prolonged exposure to loud sounds can damage your hearing.
- Emergency Procedures: Familiarize yourself with emergency procedures, such as safely turning off or disconnecting the amplifier in case of malfunctions or unusual behavior.
- Warranty and Support: Register your product and be aware of the warranty terms provided by the manufacturer. If you encounter any issues or problems with the amplifier, contact the manufacturer’s customer support for assistance.
Easy Operation
Maintenance
- Regular Cleaning: Dust and debris can accumulate on the amplifier’s surface and vents, affecting its performance. Clean the amplifier periodically with a soft, dry cloth to remove dust and dirt.
- Ventilation: Make sure the amplifier has adequate ventilation to dissipate heat generated during operation. Do not place it in enclosed spaces or stack objects on top of it, which can block airflow.
- Speaker Maintenance: If the amplifier is connected to external speakers, inspect and clean the speakers as well. Dust or dirt on speaker diaphragms can affect sound quality.
- Check Connections: Periodically inspect the cables and connections, both input and output, to ensure they are secure and free from damage. Loose or damaged cables can result in signal loss or poor audio quality.
- Firmware Updates: Check the manufacturer’s website or support resources for firmware updates. Updating the firmware can improve performance, add features, and address known issues.
- Volume Control: Avoid turning the volume to maximum or high levels for extended periods, as it can strain the amplifier and speakers, potentially leading to distortion or damage.
- Power Source: Ensure that the amplifier is connected to a stable and adequately rated power source. Avoid power fluctuations and voltage spikes, which can harm the amplifier.
- Storage: If you plan to store the amplifier for an extended period, consider covering it with a dust cover or storing it in a protective case to prevent dust and moisture from accumulating.
- Transportation: When moving the amplifier, use a padded carrying case or packaging to protect it from physical damage during transit.
- Avoid Overheating: Do not operate the amplifier in excessively hot environments or under direct sunlight, as this can lead to overheating and damage.
- Safety Checks: Periodically check the amplifier for any unusual noises, odors, or signs of overheating. If you notice any problems, stop using it immediately and contact the manufacturer’s customer support.
- Warranty and Support: Be aware of the warranty terms provided by the manufacturer. If you encounter any issues or problems with the amplifier, contact the manufacturer’s customer support for assistance or repairs.
Make Audio Device Wireless
Connect with your car audio system to enjoy favorite song
2 Speakers Simultaneously
With both 3.5mm and 2RCA connection options
Troubleshooting
Problem 1: The Bluetooth Connection is Unstable or Won’t Connect
- Solution:
1. Ensure that the amplifier is in pairing mode. Typically, this is indicated by a blinking LED or a specific sound prompt.
2. Make sure your Bluetooth-enabled device (e.g., smartphone, tablet, or computer) is also in pairing mode and within the amplifier’s Bluetooth range.
3. Check if there are other Bluetooth devices nearby that might be interfering with the connection. Move them away or turn them off if necessary.
4. Verify that you’re not trying to pair the amplifier with a device that’s already connected to another Bluetooth device. Disconnect the previous connection if needed.Problem 2: No Sound is Coming from the Speakers
- Solution:
1. Ensure that the amplifier is powered on and properly connected to your audio source and speakers.
2. Check the audio input source and cables for any loose or damaged connections. Secure all connections.
3. Verify that the speakers are operational by testing them with another audio source.
4. Adjust the volume on both the amplifier and your connected device to ensure that sound is not muted or set to a very low level.
5. Try different audio sources to rule out issues with a specific device or input.Problem 3: Poor Sound Quality or Distortion
- Solution:
1. Ensure that your Bluetooth device is not too far from the amplifier, as a weak Bluetooth signal can result in poor sound quality.
2. Check the audio quality settings on your Bluetooth device and adjust them as needed.
3. Verify that the audio files or streaming sources you’re using are of good quality and not highly compressed.
4. Adjust the EQ (Equalizer) settings on the amplifier, if available, to fine-tune the sound quality.
5. Inspect the speaker wires for loose connections or damage, as faulty wiring can cause distortion.Problem 4: The Amplifier Overheats
- Solution:
1. Ensure that the amplifier is placed in a well-ventilated area with enough space around it for proper heat dissipation.
2. Check that the amplifier is not covered or obstructed, and there is no accumulation of dust or debris around the vents and heat sinks.
3. Reduce the amplifier’s volume if it’s operating at high levels for an extended period, as high output can generate heat.
4. If overheating persists, consider using a cooling fan or relocating the amplifier to a cooler environment.Problem 5: Remote Control Doesn’t Work
- Solution:
1. Check if the remote control requires batteries and if they are properly installed with the correct polarity.
2. Ensure that there are no obstructions between the remote control and the amplifier’s IR (Infrared) sensor.
3. Verify that the remote control is within the effective range of the amplifier’s IR sensor.
4. If the remote control is still not working, replace the batteries and try again. If the issue persists, contact the manufacturer for a replacement remote control.Qualcomm@aptX™ HD
Qualcomm apt HD was designed to answer the growing demand for high resolution audio. This enhanced codec supports 24-bit music quality over Bluetooth. This means listeners can hear even the smallest details in their music.
FAQs
What is the ANNWZZD LK-BR13A Bluetooth HiFi Speaker Amplifier?
The ANNWZZD LK-BR13A is a high-quality Bluetooth HiFi speaker amplifier designed to enhance your audio experience.
Is this amplifier compatible with my Bluetooth devices?
Yes, the LK-BR13A is compatible with a wide range of Bluetooth devices, allowing you to stream music wirelessly.
What is the power output of this amplifier?
The ANNWZZD LK-BR13A provides a power output of ＜5mW, SNR: 90dB, RL=16Ω, ensuring a powerful and clear audio performance.
Can I connect multiple speakers to this amplifier?
Yes, you can connect multiple speakers to this amplifier, making it suitable for various audio setups.
Does this amplifier support different audio sources?
Yes, the LK-BR13A offers multiple audio inputs, allowing you to connect various sources like CD players, TVs, and more.
What is the Bluetooth range of this amplifier?
The Bluetooth range of the ANNWZZD LK-BR13A is approximately 20Hz-22kHz., providing flexibility in device placement.
Is there a remote control included with this amplifier?
Yes, the LK-BR13A comes with a remote control for convenient operation from a distance.
Can I adjust the bass and treble settings on this amplifier?
Yes, you can adjust the bass and treble settings to customize the audio to your preferences.
What is the warranty period for the ANNWZZD LK-BR13A?
The LK-BR13A comes with a 1 year warranty to ensure your satisfaction and peace of mind.
Is this amplifier compact and easy to install?
Yes, the ANNWZZD LK-BR13A features a compact design and is easy to install, making it suitable for various spaces.
Can I use this amplifier for both home audio and professional applications?
Yes, this amplifier is versatile and can be used for both home audio and professional audio setups.
Are there any safety features built into this amplifier?
Yes, the LK-BR13A includes safety features to protect against overheating and overloading, ensuring the longevity of the amplifier.