Beats MUW43LL/A
Beats Solo 4 Wireless On-Ear Headphones User Manual
Model: MUW43LL/A
Introduction
Welcome to the user manual for your Beats Solo 4 Wireless On-Ear Headphones. These headphones are designed to provide a premium audio experience with advanced features such as Personalized Spatial Audio, long battery life, and seamless compatibility with both Apple and Android devices. This manual will guide you through setup, operation, maintenance, and troubleshooting to ensure you get the most out of your new headphones.
What's in the Box
Your Beats Solo 4 package includes the following items:
- Beats Solo 4 headphones
- Protective Case
- USB-C to USB-C cable for charging and audio (USB-C power adapter sold separately)
- 3.5 mm analog audio cable
- Quick Start Guide and Warranty Card

Image: Beats Solo 4 headphones in Slate Blue, showcasing their sleek design.
Setup
Charging Your Headphones
Before first use, fully charge your Beats Solo 4 headphones. Connect the included USB-C to USB-C cable to the headphone's USB-C port and to a compatible USB-C power adapter (sold separately) or a computer's USB-C port.
- A 10-minute charge provides up to 5 hours of playback (Fast Fuel).
- A full charge provides up to 50 hours of listening time.

Image: Graphic illustrating the impressive 50-hour battery life of the Beats Solo 4 headphones.
Pairing with Your Device
The Beats Solo 4 headphones offer dual compatibility with one-touch pairing for both iOS and Android devices.
- Power On: Press and hold the power button on the right earcup until the LED indicator flashes.
- iOS Devices: Bring your Beats Solo 4 close to your unlocked iPhone. A setup animation will appear on your iPhone screen. Follow the on-screen instructions to connect.
- Android Devices: Open your Android device's Bluetooth settings. Ensure Bluetooth is enabled. Select "Beats Solo 4" from the list of available devices. Follow any on-screen prompts to complete pairing.
- Other Bluetooth Devices: For other devices, enable Bluetooth on your device and select "Beats Solo 4" from the list of discoverable devices.

Image: A person wearing Beats Solo 4 headphones while looking at a smartphone, illustrating the seamless Apple and Android compatibility.
Operating Your Headphones
Controls
The Beats Solo 4 headphones feature intuitive controls located on the earcups:
- Volume Control: Use the volume buttons on the earcup to adjust audio levels.
- Play/Pause/Skip: The 'b' button on the left earcup controls playback. Press once to play/pause, twice to skip forward, and three times to skip backward.
- Call Management: Press the 'b' button once to answer or end a call.
- Voice Assistant: Press and hold the 'b' button to activate your device's voice assistant (Siri, Google Assistant, etc.).
Audio Modes
- Wireless Bluetooth: Enjoy high-quality audio wirelessly via Class 1 Bluetooth for extended range and fewer dropouts.
- Wired Audio (USB-C): Connect the USB-C to USB-C cable for high-resolution lossless audio playback and charging simultaneously.
- Wired Audio (3.5 mm): Use the included 3.5 mm analog audio cable for lossless audio playback, which requires zero battery power.

Image: A person wearing Beats Solo 4 headphones connected via the 3.5mm audio cable, demonstrating the wired listening option.
Personalized Spatial Audio
Experience immersive sound with Personalized Spatial Audio and dynamic head tracking. This feature creates a 3D audio experience, making it feel like sound is coming from all around you. Compatible hardware and software are required, and content must be supported by the app.

Image: Beats Solo 4 headphones positioned centrally, surrounded by abstract audio elements, visually representing the Personalized Spatial Audio feature.
Maintenance
Cleaning
To maintain the quality and longevity of your Beats Solo 4 headphones:
- Wipe the earcups and headband with a soft, dry, lint-free cloth.
- Do not use abrasive cleaners, alcohol, or chemical sprays.
- Avoid getting moisture in any openings.
Storage
When not in use, store your headphones in the included protective case. The foldable design allows for compact storage.

Image: Beats Solo 4 headphones shown in their folded position, highlighting their compact and lightweight design for easy portability.
Troubleshooting
If you encounter issues with your Beats Solo 4 headphones, try the following solutions:
- No Power: Ensure the headphones are charged. Connect them to a power source using the USB-C cable.
- Cannot Pair: Make sure Bluetooth is enabled on your device and the headphones are in pairing mode (LED flashing). Try turning Bluetooth off and on again on your device.
- No Sound: Check the volume levels on both your headphones and your connected device. Ensure the headphones are properly paired. If using a wired connection, ensure the cable is fully inserted.
- Poor Sound Quality: Move closer to your device to reduce interference. Ensure there are no physical obstructions between the headphones and the device. Try disconnecting and re-pairing.
- Controls Not Responding: Restart your headphones by powering them off and then on again.
Specifications
| Model Name | Beats Solo 4 |
| Connectivity Technology | Wireless (Bluetooth 5.3), USB-C audio, 3.5 mm analog input |
| Battery Life | Up to 50 hours |
| Fast Fuel Charging | 10-minute charge provides up to 5 hours of playback |
| Control Type | Volume Control, App Control, Button Control, Siri, Touch Control, Voice Control |
| Ear Placement | On Ear |
| Weight | 7.65 oz. / 217 g |
| Dimensions (L x W x H) | 6.9 in. x 6.2 in. x 2.7 in. / 17.7 cm x 15.8 cm x 6.8 cm |
| Manufacturer | Apple |
| Model Number | MUW43LL/A |
| UPC | 195949121920 |
Warranty and Support
Your Beats Solo 4 headphones come with a limited warranty. Please refer to the included Warranty Card for detailed terms and conditions. For technical support, product registration, or additional information, visit the official Beats support website or contact their customer service.
You can also visit the Beats Store on Amazon for more product details and accessories.
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