Introduction
This manual provides essential information for the proper use and maintenance of your Beats Solo 4 Wireless Bluetooth On-Ear Headphones. Please read this manual thoroughly before using the product.
The Beats Solo 4 headphones feature custom acoustic architecture and updated drivers for powerful sound, up to 50 hours of battery life, and a compact, lightweight, foldable design. They offer high-resolution lossless audio via USB-C or 3.5 mm audio cable and are compatible with both Apple and Android devices for seamless pairing.
What's in the Box
- Beats Solo 4 Wireless Bluetooth On-Ear Headphones
- USB-C to USB-C charging cable
- 3.5mm audio cable
- Soft woven carrying case
- Quick Start Guide (this manual)
- Warranty Card

Image: Beats Solo 4 Wireless Bluetooth On-Ear Headphones in Slate Blue, showing the overall design.
Setup
1. Charging Your Headphones
Before first use, fully charge your Beats Solo 4 headphones. Connect the included USB-C to USB-C cable to the charging port on the headphones and to a compatible USB-C power adapter (not included) or computer USB-C port.
- A full charge provides up to 50 hours of listening time.
- A 10-minute Fast Fuel charge provides up to 5 hours of playback when the battery is low.

Image: An illustration of the Beats Solo 4 headphones with a large "50" indicating 50 hours of battery life.
2. Powering On/Off
To power on your headphones, press and hold the power button on the right earcup for 1 second. The LED indicator will light up. To power off, press and hold the power button for 1 second. The LED indicator will turn off.
3. Bluetooth Pairing
Your Beats Solo 4 headphones are designed for seamless pairing with both Apple and Android devices.
- For Apple Devices:
- Ensure Bluetooth is enabled on your iOS device.
- Hold your Beats Solo 4 headphones near your unlocked iOS device.
- Follow the on-screen prompts to connect.
- For Android Devices:
- Download the Beats app from the Google Play Store (if not already installed).
- Enable Bluetooth on your Android device.
- Open the Beats app and follow the instructions to pair your headphones.
- For Other Devices:
- With the headphones powered on, press and hold the power button for 3 seconds until the LED indicator begins to flash. This puts the headphones in pairing mode.
- Go to the Bluetooth settings on your device and select "Beats Solo 4" from the list of available devices.

Image: A person wearing Beats Solo 4 headphones while looking at a smartphone, demonstrating the headphones' compatibility with both Apple and Android devices for seamless pairing.
Operating Your Headphones
Controls
The Beats Solo 4 headphones feature intuitive controls located on the earcups.
- "b" Button (Left Earcup):
- Press once: Play/Pause audio, Answer/End call.
- Press twice: Skip forward.
- Press three times: Skip backward.
- Press and hold: Activate voice assistant (Siri, Google Assistant).
- Volume Controls (Left Earcup):
- Volume up button: Increase volume.
- Volume down button: Decrease volume.
- Power Button (Right Earcup):
- Press and hold for 1 second: Power On/Off.
- Press and hold for 3 seconds (from powered on): Enter Bluetooth pairing mode.
Audio Features
The Beats Solo 4 headphones offer advanced audio capabilities:
- Personalized Spatial Audio: Experience immersive sound that surrounds you. This feature requires compatible hardware and software, and a TrueDepth camera for personal profile creation on iOS devices.
- High-Resolution Lossless Audio: Connect via the included USB-C cable or 3.5 mm audio cable for high-fidelity audio playback. This mode does not consume battery power when using the 3.5mm cable.

Image: Beats Solo 4 headphones floating above a dark, abstract background, with text indicating "Personalized Spatial Audio."

Image: A person wearing Beats Solo 4 headphones connected via a USB-C cable, demonstrating the high-resolution lossless audio capability.
Maintenance
- Cleaning: Use a soft, dry, lint-free cloth to clean the headphones. Do not use abrasive cleaners or solvents.
- Storage: When not in use, store your headphones in the included soft woven carrying case to protect them from dust and scratches. The foldable design allows for compact storage.
- Avoid Moisture: Keep the headphones away from water and excessive moisture.
- Temperature: Avoid exposing the headphones to extreme temperatures.

Image: Beats Solo 4 headphones in Slate Blue, shown in their compact, folded position, highlighting their portability and ease of storage.
Troubleshooting
| Problem | Possible Solution |
|---|---|
| Headphones not powering on | Ensure the headphones are charged. Connect to a power source and try again. |
| Cannot pair via Bluetooth |
|
| No sound or low volume |
|
| Audio quality issues |
|
Specifications
| Feature | Detail |
|---|---|
| Model Name | Beats Solo 4 |
| Model Number | MUW43LL/A |
| Connectivity Technology | Wireless (Bluetooth), Wired (USB-C, 3.5mm) |
| Wireless Communication Technology | Bluetooth 5.3 |
| Noise Control | Sound Isolation |
| Battery Life | Up to 50 hours |
| Fast Fuel Charge | 10 minutes for 5 hours playback |
| Control Method | App, Touch, Voice (Siri) |
| Item Weight | 1.12 ounces (approx. 31.75 grams) |
| Product Dimensions | 8.23 x 5.2 x 3.7 inches |
| Color | Slate Blue (for this variant) |
| Manufacturer | Apple |
| UPC | 724129017830 |
Warranty and Support
This product is covered by a limited warranty. For detailed warranty information, please refer to the warranty card included in your product packaging or visit the official Beats support website. For technical support, product registration, or service inquiries, please visit www.beatsbydre.com/support.
As this is a Renewed Premium product, it is backed by the Amazon Renewed Guarantee. For details on this guarantee, please refer to the Amazon Renewed program terms and conditions.