1. Introduction
Thank you for choosing the Seeknature Broadcast IV 4th Generation Sound Card and T998 Condenser Microphone Live Set. This professional audio solution is designed for mobile phone live broadcasting, singing, and recording, offering both wired and Bluetooth wireless accompaniment modes. The Broadcast IV sound card is the first mobile phone sound card with built-in 48V phantom power, allowing connection to multiple microphones for versatile live performances. It features various sound effects, reverb adjustments, and one-key noise reduction for an enhanced audio experience.

Figure 1: The complete Seeknature Broadcast IV Sound Card and T998 Microphone set, including the sound card, T998 microphone, mobile phone holder with fill light, and monitor earphones.
2. Package Contents
Please check the package carefully to ensure all items are present:
- 1 x Seeknature Boba IV Sound Card (4th Generation)
- 1 x Seeknature T998 Condenser Microphone
- 2 x Audio Cables
- 1 x USB Data/Charging Cable
- 1 x Microphone Cable
- 1 x LIVE BEAUTY MAKE-UP LIGHT (Mobile Phone Holder) (Gift with set purchase)
- 1 x Monitor Earphone (Gift with set purchase)

Figure 2: Seeknature Broadcast IV Sound Card in its packaging, showing included audio and data cables.
3. Product Overview
3.1 Seeknature Broadcast IV Sound Card
The Broadcast IV is a compact, external sound card designed for mobile live streaming. It features a user-friendly interface with various sound effects, reverb controls, and dedicated ports for microphones, accompaniment, and live output. It supports both 5V and 48V condenser microphones and offers Bluetooth connectivity for wireless accompaniment.

Figure 3: Front view of the Seeknature Broadcast IV Sound Card, showing controls and indicators.

Figure 4: Back view of the Seeknature Broadcast IV Sound Card.
3.2 Seeknature T998 Condenser Microphone
The T998 is a wired condenser microphone designed to capture clear and high-quality audio, ideal for vocals in live streaming and recording environments. It connects directly to the sound card via the provided microphone cable.

Figure 5: The Seeknature T998 Wired Condenser Microphone.
4. Setup Instructions
The Boba IV sound card supports two main live broadcast modes: wired and Bluetooth (wireless) accompaniment.
4.1 Wired Accompaniment Live Mode
This mode is suitable for live streaming with a separate accompaniment device connected via cable.
- Connect your microphone (e.g., T998) to the appropriate microphone interface on the sound card (5V or 48V, depending on your microphone type).
- Connect one end of an audio cable to the 'Accompaniment' port on the sound card and the other end to the headset jack of your accompaniment phone.
- Connect one end of another audio cable to the 'Live' port on the sound card and the other end to the headset jack of your live streaming phone.
- Connect your monitor earphones to the headphone jack on the sound card.
- Ensure the sound card is charged or has sufficient battery.

Figure 6: Diagram illustrating the connections for wired accompaniment live mode, showing the sound card, microphone, live mobile, and accompaniment phone.
4.2 Bluetooth Wireless Accompaniment Live Mode
This mode allows for wireless connection to an accompaniment device, reducing cable clutter.
- Connect your microphone (e.g., T998) to the appropriate microphone interface on the sound card (5V or 48V).
- Pair your accompaniment phone with the Broadcast IV sound card via Bluetooth. Look for the Bluetooth icon on the sound card's display to confirm connection.
- Connect one end of an audio cable to the 'Live' port on the sound card and the other end to the headset jack of your live streaming phone.
- Connect your monitor earphones to the headphone jack on the sound card.
- Ensure the sound card is charged or has sufficient battery.

Figure 7: Diagram illustrating the connections for Bluetooth accompaniment live mode, showing the sound card, microphone, live mobile, and accompaniment phone with Bluetooth connection.
5. Operating Instructions
The Broadcast IV sound card offers various functions to enhance your live streaming and recording experience:
- Reverb Adjustment: Use the dedicated controls to adjust the reverb effect to your preference.
- Sound Modes: Select from various preset sound modes such as 'Chat', 'Singing', 'Outdoor', 'MC', 'Dodge', and 'Electric Sound' to suit your content.
- One-Key Noise Reduction: Activate the noise reduction feature to minimize background noise and improve audio clarity.
- Volume Controls: Adjust microphone volume, accompaniment volume, and monitoring volume using the respective controls on the sound card.
Video 1: A video showcasing the features and usage of the Seeknature Broadcast IV Sound Card and T998 Microphone, including sound effects and live streaming setup.
6. User Tips
- For optimal sound quality, experiment with different reverb levels and sound modes to find what best suits your voice and environment.
- Utilize the one-key noise reduction feature in noisy environments to ensure your voice remains clear and prominent.
- Always ensure your sound card is fully charged before a live session to avoid interruptions.
- When using a 48V condenser microphone, ensure it is properly connected to the 48V microphone interface for correct power supply.
7. Maintenance
- Cleaning: Use a soft, dry cloth to clean the surface of the sound card and microphone. Do not use liquid cleaners or abrasive materials.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Handling: Avoid dropping or subjecting the device to strong impacts, as this may damage internal components.
- Cables: Handle cables carefully to prevent bending or fraying, which can affect performance.
8. Troubleshooting
- No Sound Output: Check all cable connections. Ensure the sound card is powered on and volumes are adjusted correctly. Verify that the correct input/output devices are selected on your connected phone.
- Microphone Not Working: Ensure the microphone is securely connected to the correct port. If using a 48V condenser mic, confirm it's plugged into the 48V interface. Check microphone volume levels.
- Bluetooth Connection Issues: Ensure Bluetooth is enabled on both the sound card and your accompaniment device. Try unpairing and re-pairing the devices. Keep devices within close range.
- Poor Sound Quality/Noise: Activate the one-key noise reduction feature. Check for loose cable connections. Ensure the microphone is positioned correctly and not too far from the sound source.
- Device Not Charging: Ensure the USB charging cable is properly connected to both the sound card and a power source. Try a different cable or power adapter.
9. Specifications
| Feature | Specification |
|---|---|
| Brand Name | Seeknature |
| Model Number | Boba IV+ T998 |
| Type | External Sound Card |
| Channels | 2 |
| Interface Type | USB |
| Package | Yes |
| Origin | Mainland China |
| Certification | None |
10. Warranty and Support
For any issues or questions regarding your Seeknature Broadcast IV Sound Card and T998 Condenser Microphone, please contact the seller or refer to the product's official support channels. Keep your purchase receipt for warranty claims.





