Introduction
Thank you for choosing the YEAHBOX Sonic Boom Ultra K Portable Bluetooth Party Karaoke Speaker. This manual provides essential information for the safe and optimal use of your device. Please read it thoroughly before operation and retain it for future reference.
The YEAHBOX Sonic Boom Ultra K speaker, featuring its sleek design, accompanied by two wireless microphones and a remote control.
Setup
1. Unpacking and Initial Charge
Carefully remove all components from the packaging. Before first use, fully charge the speaker using the provided power adapter. The speaker is battery-powered and requires charging for optimal performance.
2. Powering On/Off
Press and hold the power button located on the control panel to turn the speaker on or off.
3. Bluetooth Pairing
- Turn on the speaker. It will automatically enter Bluetooth pairing mode, indicated by a flashing LED.
- On your mobile device, enable Bluetooth and search for available devices.
- Select "YEAHBOX Ultra K" from the list. A confirmation tone will sound upon successful pairing.
4. Wireless Microphones Setup
The two included wireless microphones are pre-paired with the speaker. Simply insert the required batteries (1 9V battery per microphone, included) and power them on. Adjust microphone volume using the dedicated controls on the speaker or mixer.
Two individuals enjoying a karaoke session outdoors with the YEAHBOX Sonic Boom Ultra K speaker and its wireless microphones.
5. TWS (True Wireless Stereo) Pairing
To achieve a stereo sound experience with two Ultra K speakers:
- Ensure both Ultra K speakers are powered on and not connected to any Bluetooth device.
- On one speaker (this will be the primary speaker), press the TWS button.
- The primary speaker will search for the secondary speaker. Once connected, a confirmation tone will sound.
- Connect your Bluetooth device to the primary speaker. Audio will now play in stereo across both speakers.
Two YEAHBOX Sonic Boom Ultra K speakers wirelessly connected via TWS, providing immersive stereo sound in an outdoor setting.
Operating Instructions
1. Input Selection
The Ultra K speaker supports multiple input sources:
- Bluetooth: Connect wirelessly from your smartphone or other Bluetooth-enabled devices.
- HDMI ARC: Connect to your TV for enhanced audio.
- USB Drive: Insert a USB drive to play WAV/FLAC/APE/MP3 audio files.
- TF Card: Insert a TF (MicroSD) card to play WAV/FLAC/APE/MP3 audio files.
- AUX: Use a 3.5mm audio cable to connect external audio devices.
- OTG: Connect compatible devices for audio playback.
Use the 'Mode' button on the speaker or remote to cycle through input sources.
A detailed view of the YEAHBOX Sonic Boom Ultra K's input panel, showcasing ports for BT, USB, TF, AUX, OTG, and HDMI ARC, alongside 60W fast charging capability.
2. Using the Mixer and Microphones
The integrated mixer allows for fine-tuning of vocal and music balance. Use the dedicated knobs on the mixer (or remote, if applicable) to adjust microphone volume, echo, and music levels. This provides a customizable experience for karaoke or public speaking.
The two wireless microphones and the professional mixer designed for the YEAHBOX Sonic Boom Ultra K, offering sensitive pickup and precise sound control.
3. RGB Lighting (AbyssMirror RhythmSync)
The speaker features AbyssMirror RhythmSync RGB lighting that reacts to your music. Use the dedicated button on the speaker or the app to cycle through different lighting modes or turn the lighting off.
A close-up view of the YEAHBOX Sonic Boom Ultra K's infinity mirror lighting, designed to create an immersive visual experience with rhythm-synced light patterns.
4. EQ Equalizer and Sound Modes
The speaker includes an EQ equalizer with three preset sound modes. These modes optimize audio for different content types or environments. Switch between modes using the EQ button on the speaker or through the mobile application.
The YEAHBOX Sonic Boom Ultra K speaker being enjoyed by people outdoors, emphasizing its EQ Equalizer with 3 Sound Modes for various listening experiences.
5. App Control
Download the official YEAHBOX application to control your speaker remotely. The app provides access to equalizer settings, lighting modes, input selection, and other functions for a more convenient user experience.
A smartphone screen showing the YEAHBOX application interface, demonstrating remote control capabilities for the speaker.
Maintenance
1. Cleaning
Wipe the speaker with a soft, damp cloth. Do not use abrasive cleaners or solvents. Ensure all port covers are securely closed before cleaning if exposed to water.
2. Water Resistance
The YEAHBOX Sonic Boom Ultra K is waterproof. However, avoid submerging it for extended periods or exposing it to high-pressure water jets. Always ensure port covers are sealed to maintain water resistance.
The YEAHBOX Sonic Boom Ultra K speaker demonstrating its waterproof capability, surrounded by splashing water.
3. Battery Care
To prolong battery life, avoid fully discharging the speaker frequently. Charge the speaker regularly, even when not in use for extended periods. Store the speaker in a cool, dry place.
Troubleshooting
- No Power: Ensure the speaker is charged. Connect the power adapter and try turning it on again.
- No Sound: Check the volume levels on both the speaker and your connected device. Ensure the correct input source is selected. For Bluetooth, verify successful pairing.
- Bluetooth Pairing Issues: Make sure the speaker is in pairing mode. Turn off Bluetooth on other nearby devices to avoid interference. Try restarting both the speaker and your device.
- Microphone Not Working: Check if the microphones are powered on and have fresh batteries. Ensure microphone volume is not muted or set too low on the speaker/mixer.
- Distorted Sound: Reduce the volume on both the speaker and the source device. Ensure the audio file quality is good.
- App Control Issues: Ensure the speaker's firmware is up to date and the app is the latest version. If custom equalizer settings are not saving, this may indicate a software issue that requires a future app update from the manufacturer.
Specifications
| Feature | Detail |
|---|---|
| Brand | YEAHBOX |
| Model Number | Ultra K |
| Speaker Maximum Output Power | 500 watts (Peak) / 320 watts (Rated) |
| Frequency Response | 20 KHz |
| Connectivity Technology | Bluetooth, HDMI, USB |
| Audio Output Mode | Stereo |
| Mounting Type | Tabletop Mount |
| Speaker Type | Portable Speaker |
| Additional Features | Waterproof |
| Subwoofer Diameter | 16.5 centimeters |
| Is Waterproof | YES |
| Maximum Range (Bluetooth) | 18 meters |
| Control Method | App, Touch |
| Speaker Size | 59.5 centimeters (length) |
| Woofer Diameter | 23 centimeters (6x9 Racetrack Woofer) |
| Tweeter Diameter | 41 millimeters |
| Water Resistance Level | Waterproof |
| Number of Audio Channels | 3 (True 3-Way 5-Driver System) |
| Impedance | 4 ohm |
| Signal-to-Noise Ratio | 80 dB |
| Compatible Devices | Smartphone |
| Power Source | Battery Powered |
| Number of Batteries | 1 9V batteries required (included for microphones) |
| Input Voltage | 5 volts |
| Item Dimensions (D x W x H) | 23.43"D x 12.32"W x 9.76"H |
| Item Weight | 11 kg |
| Subwoofer Connectivity Technology | Wireless |
Warranty Information
The YEAHBOX Sonic Boom Ultra K comes with a 1-year limited warranty from the date of purchase. This warranty covers manufacturing defects and workmanship under normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear. Please retain your proof of purchase for warranty claims.
Customer Support
For further assistance, technical support, or warranty inquiries, please contact YEAHBOX customer service through the official website or the contact information provided with your purchase. Our support team is available to help with any questions or issues you may encounter.