SX91 Live Sound Card USB Sound Mixer User Manual

1. Introduction

The SX91 Live Sound Card is a professional audio mixing console and amplifier designed for live singing, PC, laptop, and cellphone use. It integrates advanced features such as one-click noise reduction, intelligent evasion, and various sound effects to enhance your audio experience for live streaming and karaoke.

2. Safety Information

• Do not expose the device to water or excessive moisture.
• Avoid extreme temperatures.
• Do not disassemble or attempt to repair the device yourself. Refer to qualified service personnel.
• Use only the provided USB cables and audio cables.
• Keep out of reach of children.

3. Package Contents

Please check the package for the following items:

• 1 x Live Sound Card (SX91)
• 2 x USB Cable
• 1 x Audio Cable
• 1 x English instruction manual (this document)

4. Product Overview

The SX91 Live Sound Card features a comprehensive control panel with various knobs, sliders, and buttons for precise audio manipulation. Its design includes dynamic lighting for an enhanced user experience.

Figure 4.1: Front view of the SX91 Live Sound Card, showcasing its illuminated controls and professional digital mixer layout.

Key features include:

• Accompaniment support
• Long lasting endurance (battery life)
• Sound changing effects
• Dodge function
• Noise reduction chip
• One-click cancellation of original song vocals
• Power display
• Monitoring ear return
• Compatibility with mobile phones and computers
• 12 types of electronic tones
• Multi-platform live streaming simultaneously
• 15 types of live streaming sound effects

Figure 4.2: An illustration highlighting the various performance features and capabilities of the SX91 sound card.

Figure 4.3: The SX91 Live Sound Card showcasing its cool dynamic lighting, designed for live streaming environments.

5. Setup

5.1 Connecting to Devices

The SX91 Live Sound Card can be connected to PCs, laptops, and cellphones using the provided USB and audio cables. Ensure all connections are secure before powering on the device.

5.2 Bluetooth Accompaniment

The device supports Bluetooth accompaniment, allowing you to wirelessly connect your mobile phone for background music. This feature helps simplify live streaming by reducing the need for multiple physical connections.

Figure 5.1: The SX91 Live Sound Card demonstrating Bluetooth accompaniment, showing a smartphone wirelessly connected for music playback.

5.3 Powering On

After connecting the necessary cables, plug in the power to the sound card. Both the connected phone and the sound card can be simultaneously powered, meeting the demand for long-term live streaming.

Figure 5.2: The SX91 Live Sound Card illustrating its long-lasting battery life, allowing for extended use without constant recharging.

6. Operating Instructions

6.1 One-Click Noise Reduction

To eliminate the original vocals from a music track and create an accompaniment, simply press the dedicated "Noise Reduction" button. This feature can eliminate approximately 85% of the original sound, converting it into an instrumental track.

Figure 6.1: The SX91 Live Sound Card demonstrating the one-click noise reduction function, which helps eliminate music soundtracks for accompaniment.

6.2 One-Click Intelligent Evasion

This function automatically reduces background music volume when you speak, allowing your voice to be clearer and more prominent. It helps control the rhythm and minimizes surrounding noise, enabling broadcasters to stream freely.

6.3 Frequency Control (Treble, Mediant, Bass)

The SX91 features three independently adjustable knobs for high, medium, and low frequencies, providing fine-tuning capabilities for your audio output.

Figure 6.2: The SX91 Live Sound Card highlighting the independent high, medium, and low frequency control units with their adjustable knobs.

• Treble: Adjust to make your voice bright and penetrating.
• Mediant: Adjust to make the sound clearer and enhance its quality.
• Bass: Adjust to make your voice more full, deep, and powerful.

Figure 6.3: A visual guide explaining the effects of adjusting Treble, Mediant, and Bass frequencies on vocal quality.

6.4 Sound Effects and Tones

The sound card includes a variety of pre-set sound effects and electronic tones to enhance your live performances and recordings. Utilize the dedicated buttons on the console to activate these effects.

7. Maintenance

• Clean the device regularly with a soft, dry cloth.
• Avoid using abrasive cleaners or solvents.
• Store the sound card in a cool, dry place when not in use.
• Protect the device from dust and direct sunlight.

8. Troubleshooting

9. Specifications

10. Warranty and Support

This product comes with a standard manufacturer's warranty. For detailed warranty information or technical support, please contact Ruitutedianzi customer service. Please retain your proof of purchase for warranty claims.