1. Introduction
Thank you for choosing the ZEALOT-S78 Portable Bluetooth Speaker. This manual provides important information for the correct use and trouble-free operation of your device. Please read it carefully before use and keep it for future reference.
Safety Warnings
- For the first use, it is recommended to fully charge the speaker.
- Please use and store the product at room temperature.
- Do not expose the product to fire, high temperatures, direct sunlight, or similar overheating conditions.
- Please keep the speaker volume moderate to avoid temporary or permanent hearing impairment.
- Do not use organic solvents or other chemicals to clean the product.
- Do not let small particles enter the product.
- Do not disassemble the product or make any modifications to its structure or any part thereof.
- If the battery is not replaced correctly, there is a risk of explosion. Only the same battery type can be replaced.
- Do not throw or drop the product to avoid damage.
- Keep the product out of reach of children.
2. Package Contents
Please check the box for the following items:
- 1x ZEALOT-S78 Portable Bluetooth Speaker
- 1x Type-C Charging Cable
- 1x Audio Cable
- 1x User Manual
Figure 2.1: Package Contents
3. Product Overview
The ZEALOT-S78 is a 120W portable Bluetooth speaker designed for powerful audio performance with a long-lasting battery and vibrant lighting effects.
Figure 3.1: Product Controls and Ports
Controls and Ports
- Top Panel Controls:
- Light ON/OFF: Single click to turn light on/off.
- Mode Switch (M): Single click to switch modes (Wireless, TF, USB, AUX).
- EQ Mode Switch (EQ): Single click to cycle through EQ modes.
- Play/Pause: Single click to play or pause.
- Couplet: Single click for dual pairing.
- Power ON/OFF: Long press to power on/off.
- Volume + / Next Track: Single click for Volume +, long press for Next Track.
- Volume - / Previous Track: Single click for Volume -, long press for Previous Track.
- Rear Ports:
- Charging Port (Type-C): For charging the speaker.
- AUX: Audio input port.
- USB: USB playback port.
- TF Card: Micro SD card slot for music playback.
- OUT-5V: USB output for charging other devices.
4. Setup
4.1 Charging the Speaker
Before first use, fully charge your ZEALOT-S78 speaker. Use the provided Type-C charging cable and connect it to a DC 5V power source (e.g., a USB wall adapter, computer USB port). The battery indicator light will show the charging status:
- Green light: 80%-100% charged
- Yellow light: 40%-70% charged
- Red light: ≤ 30% charged
A full charge typically takes about 8 hours.
4.2 Power On/Off
- To Power On: Long press the power button () for 2 seconds.
- To Power Off: Long press the power button () for 2 seconds.
4.3 Bluetooth Pairing
- Power on the ZEALOT-S78 speaker. The speaker will enter Bluetooth pairing mode automatically, indicated by a flashing light.
- On your device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "ZEALOT-S78" from the list of devices.
- Once connected, you will hear a confirmation tone, and the light will stop flashing.
4.4 Dual Pairing (TWS - True Wireless Stereo)
You can connect two ZEALOT-S78 speakers together for a more immersive stereo sound experience.
- Ensure both speakers are powered on and not connected to any other Bluetooth device.
- Connect the first speaker to your device via Bluetooth as described in section 4.3.
- On the first speaker (connected to your device), single click the "Couplet" button ().
- On the second speaker, single click the "Couplet" button ().
- You will hear a prompt tone indicating that both speakers have successfully connected to each other.
- After the initial connection, the speakers will automatically connect in TWS mode when powered on together.
Figure 4.1: Dual Pairing Setup
5. Operating Instructions
5.1 Mode Switching
Single click the Mode Switch button () to cycle through available modes: Wireless (Bluetooth), TF Card, USB, and AUX.
5.2 Playback Control
- Play/Pause: Single click the Play/Pause button ().
- Volume Up: Single click the Volume + button ().
- Volume Down: Single click the Volume - button ().
- Next Track: Long press the Volume + button ().
- Previous Track: Long press the Volume - button ().
5.3 Light Control
Single click the Light ON/OFF button () to turn the speaker's lighting effects on or off.
5.4 Equalizer (EQ) Modes
Single click the EQ button () to switch between different sound equalization modes:
- Bass Mode: Green light is on.
- Vocal Mode: Orange light is on.
- Normal Mode: No specific light indication.
5.5 TF Card and USB Playback
Insert a Micro SD (TF) card or USB drive into the respective port. The speaker will automatically switch to the corresponding mode and begin playing music. Ensure your Micro SD card is formatted to FAT32 and music files are in APE, FLAC, WAV, WMA, or MP3 format.
5.6 AUX-in Mode
Connect an external audio device to the speaker's AUX port using the provided audio cable. The speaker will switch to AUX mode, allowing you to play audio from the connected device.
Video 5.1: ZEALOT-S78 Product Overview and Features
6. Maintenance
To ensure the longevity and optimal performance of your ZEALOT-S78 speaker, follow these maintenance guidelines:
- Keep the speaker clean by wiping it with a soft, dry cloth.
- Avoid exposing the speaker to extreme temperatures, humidity, or direct sunlight for extended periods.
- Store the speaker in a cool, dry place when not in use.
- Do not use abrasive cleaners or harsh chemicals, as these can damage the speaker's finish and internal components.
7. Troubleshooting
If you encounter issues with your ZEALOT-S78 speaker, please refer to the following troubleshooting tips:
| Problem | Possible Cause / Solution |
|---|---|
| Speaker keeps cutting out when playing. | Ensure the speaker is within the operating range (up to 10m/20m depending on environment) and there are no obstacles between the speaker and the device. |
| Unable to connect to your device. | Restart the speaker and try pairing again. Ensure Bluetooth is enabled on your device. |
| Unable to play music from Micro SD card. | Ensure the Micro SD card is formatted to FAT32. The speaker only supports FAT32. Also, ensure music files are in APE, FLAC, WAV, WMA, or MP3 format. |
| No sound when playing. | Adjust the volume on both the speaker and your connected device. Check if the speaker is paused. |
| No sound in AUX-in mode. | Ensure the audio cable is securely connected to both the speaker and the external device. |
| Speaker does not turn on. | The battery might be depleted. Try charging the speaker for at least 3 hours. |
| Speaker does not respond to any operation. | Try resetting the speaker by pressing the reset button (usually a small pinhole) located in the AUX-in jack. |
8. Technical Specifications
| Feature | Specification |
|---|---|
| Brand Name | ZEALOT |
| Model | S78 |
| Wireless Version | V5.2 |
| Speaker Type | Portable |
| Communication | Bluetooth, AUX |
| Input/Output | AUX |
| Sound Mode | Hi-Res Sound Mode |
| Input Power (W) | 50-99 W |
| PMPO | 120 W |
| Channels | 2 (2.0) |
| Number of Loudspeaker Enclosure | 1 |
| Audio Crossover | Full-Range |
| Speaker | Φ120mm*2 + Φ42mm*2 |
| Frequency Range | 20Hz-20KHz |
| SNR | ≥90dB |
| Distortion | <1% |
| Battery | Yes |
| Battery Capacity | 24000 mAh |
| Playtime | Up to 12 hours (TF card playback: 4.5h) |
| Charging Time | 8 hours |
| Power Source | Battery, DC |
| Charging Voltage | DC 5V |
| Working Voltage | 7.4V |
| Voltage Range | USB (5-20V DC) |
| Transmission Distance | 10m (up to 20m in some descriptions) |
| Material | Metal, Plastic (Cabinet Material: Plastic) |
| Waterproof | No |
| Voice Control | No |
| Support APP | No |
| Dimensions | 410*167*185mm (Product Size) / 440*205*214mm (Package Size) |
| Weight | 4.4kg (Product) / 4.95kg (Package) |
| Certification | CE |
| Origin | Mainland China |
9. User Tips
- For optimal sound quality, ensure the speaker is placed on a stable surface and not obstructed.
- When using the Micro SD card, always ensure it's formatted to FAT32 for compatibility.
- If experiencing connection issues, try restarting both the speaker and your Bluetooth device.
- To maximize battery life, avoid playing at maximum volume for extended periods.
- Consider using the dual pairing feature with another ZEALOT-S78 for a more powerful and immersive audio experience, especially for outdoor parties.
10. FCC Compliance Statement
This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions:
- This device may not cause harmful interference.
- This device must accept any interference received, including interference that may cause undesired operation.
Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
Radiation Exposure Statement: The device has been evaluated to meet general RF exposure requirements. The device can be used in portable exposure conditions without restriction.
11. Hazardous Substances Table (China RoHS)
To comply with China's Management Methods for the Restriction of the Use of Hazardous Substances in Electrical and Electronic Products, the following table indicates the presence of hazardous substances in the product components:
| Part Name | Lead (Pb) | Mercury (Hg) | Cadmium (Cd) | Hexavalent Chromium (Cr6+) | Polybrominated Biphenyls (PBB) | Polybrominated Diphenyl Ethers (PBDE) |
|---|---|---|---|---|---|---|
| Printed Circuit Board | X | O | O | O | O | O |
| Plastic and Polymer Parts | O | O | O | O | O | O |
| Standard Battery | O | O | O | O | O | O |
Note:
- "O" indicates that the content of the hazardous substance in all homogeneous materials of the component is below the limit requirements specified in SJ/T11363-2006 standard.
- "X" indicates that the content of the hazardous substance in at least one homogeneous material of the component exceeds the limit requirements specified in SJ/T11363-2008 standard.
- The components marked with "X" above comply with the RoHS Directive - the 2002/95/EC Directive on the restriction of the use of hazardous substances in electronic/electrical products established by the European Union Parliament.
The environmental protection period for this electronic information product is 10 years, during which the toxic and hazardous substances or elements contained will not leak out, cause pollution to the environment, or cause serious harm to people or property under the conditions of use described in this manual.
12. Additional Resources
For a detailed user manual in PDF format, please refer to the official document available at: ZEALOT-S78 User Manual (PDF)
